From da091b130347c4d6d8c75acb8e65c30a17dc1f5e Mon Sep 17 00:00:00 2001
From: veetaha <veetaha2@gmail.com>
Date: Mon, 6 Apr 2020 14:04:26 +0300
Subject: [PATCH] Migrate tests .txt -> .rast

The sytax tree output files now use .rast extension
(rust-analyzer syntax tree or rust abstract syntax tree
(whatever)).
This format has a editors/code/ra_syntax_tree.tmGrammar.json declaration
that supplies nice syntax highlighting for .rast files.
---
 crates/ra_syntax/src/tests.rs                 | 14 ++++----
 ...t => 0000_struct_field_missing_comma.rast} |  0
 ...le.txt => 0001_item_recovery_in_file.rast} |  0
 ...hebang.txt => 0002_duplicate_shebang.rast} |  0
 ..._semicolon.txt => 0003_C++_semicolon.rast} |  0
 ...ent.txt => 0004_use_path_bad_segment.rast} |  0
 ...ecover.txt => 0005_attribute_recover.rast} |  0
 ...ery.txt => 0006_named_field_recovery.rast} |  0
 ...file.txt => 0007_stray_curly_in_file.rast} |  0
 ...very.txt => 0008_item_block_recovery.rast} |  0
 ...=> 0009_broken_struct_type_parameter.rast} |  0
 ...lock.txt => 0010_unsafe_lambda_block.rast} |  0
 ...ern_struct.txt => 0011_extern_struct.rast} |  0
 ...ken_lambda.txt => 0012_broken_lambda.rast} |  0
 ...nvalid_type.txt => 0013_invalid_type.rast} |  0
 ...o_bounds.txt => 0014_where_no_bounds.rast} |  0
 ...n_params.txt => 0015_curly_in_params.rast} |  0
 ...issing_semi.txt => 0016_missing_semi.rast} |  0
 ...nexpr.txt => 0017_incomplete_binexpr.rast} |  0
 ...omplete_fn.txt => 0018_incomplete_fn.rast} |  0
 ..._let_recover.txt => 0019_let_recover.rast} |  0
 ...20_fn_recover.txt => 0020_fn_recover.rast} |  0
 ...e_param.txt => 0021_incomplete_param.rast} |  0
 ...0022_bad_exprs.txt => 0022_bad_exprs.rast} |  0
 ...d_paren.txt => 0023_mismatched_paren.rast} |  0
 ..._parens.txt => 0024_many_type_parens.rast} |  0
 .../err/{0025_nope.txt => 0025_nope.rast}     |  0
 ...mp_recovery.txt => 0026_imp_recovery.rast} |  0
 ...for.txt => 0027_incomplere_where_for.rast} |  0
 ...pletion.txt => 0029_field_completion.rast} |  0
 ..._attrs.txt => 0031_block_inner_attrs.rast} |  0
 ...s.txt => 0032_match_arms_inner_attrs.rast} |  0
 ...s.txt => 0033_match_arms_outer_attrs.rast} |  0
 ..._pattern.txt => 0034_bad_box_pattern.rast} |  0
 ..._use_recover.txt => 0035_use_recover.rast} |  0
 ..._partial_use.txt => 0036_partial_use.rast} |  0
 ...its.txt => 0037_visibility_in_traits.rast} |  0
 ....txt => 0038_endless_inclusive_range.rast} |  0
 ...recovery.txt => 0039_lambda_recovery.rast} |  0
 ....txt => 0001_array_type_missing_semi.rast} |  0
 ..._err.txt => 0002_misplaced_label_err.rast} |  0
 ...t => 0003_pointer_type_no_mutability.rast} |  0
 ...0004_impl_type.txt => 0004_impl_type.rast} |  0
 ...t => 0005_fn_pointer_type_missing_fn.rast} |  0
 ..._mod.txt => 0006_unsafe_block_in_mod.rast} |  0
 ....txt => 0007_async_without_semicolon.rast} |  0
 .../{0008_pub_expr.txt => 0008_pub_expr.rast} |  0
 ...txt => 0009_attr_on_expr_not_allowed.rast} |  0
 ...xpr.txt => 0010_bad_tuple_index_expr.rast} |  0
 ...rder_fns.txt => 0010_wrong_order_fns.rast} |  0
 ...rscore.txt => 0013_static_underscore.rast} |  0
 ..._fn_type.txt => 0014_default_fn_type.rast} |  0
 ...tem_list.txt => 0001_trait_item_list.rast} |  0
 ..._tree_list.txt => 0002_use_tree_list.rast} |  0
 ..._pred_for.txt => 0003_where_pred_for.rast} |  0
 ...=> 0004_value_parameters_no_patterns.rast} |  0
 ...ams.txt => 0005_function_type_params.rast} |  0
 ...06_self_param.txt => 0006_self_param.rast} |  0
 ...bounds.txt => 0007_type_param_bounds.rast} |  0
 ...0008_path_part.txt => 0008_path_part.rast} |  0
 ...0009_loop_expr.txt => 0009_loop_expr.rast} |  0
 ...xtern_block.txt => 0010_extern_block.rast} |  0
 ...11_field_expr.txt => 0011_field_expr.rast} |  0
 ...e.txt => 0012_type_item_where_clause.rast} |  0
 ...ype_mut.txt => 0013_pointer_type_mut.rast} |  0
 ...14_never_type.txt => 0014_never_type.rast} |  0
 ...tinue_expr.txt => 0015_continue_expr.rast} |  0
 ...nsafe_trait.txt => 0016_unsafe_trait.rast} |  0
 ...17_array_type.txt => 0017_array_type.rast} |  0
 ...elf_types.txt => 0018_arb_self_types.rast} |  0
 ...19_unary_expr.txt => 0019_unary_expr.rast} |  0
 .../{0020_use_star.txt => 0020_use_star.rast} |  0
 ...item_list.txt => 0021_impl_item_list.rast} |  0
 ...ibility.txt => 0022_crate_visibility.rast} |  0
 ...er_type.txt => 0023_placeholder_type.rast} |  0
 ...0024_slice_pat.txt => 0024_slice_pat.rast} |  0
 ...25_slice_type.txt => 0025_slice_type.rast} |  0
 ..._fields.txt => 0026_tuple_pat_fields.rast} |  0
 .../{0027_ref_pat.txt => 0027_ref_pat.rast}   |  0
 ...ait_type.txt => 0028_impl_trait_type.rast} |  0
 ...0029_cast_expr.txt => 0029_cast_expr.rast} |  0
 .../ok/{0030_cond.txt => 0030_cond.rast}      |  0
 ...31_while_expr.txt => 0031_while_expr.rast} |  0
 ...ter_type.txt => 0032_fn_pointer_type.rast} |  0
 ...ce_type;.txt => 0033_reference_type;.rast} |  0
 ...34_break_expr.txt => 0034_break_expr.rast} |  0
 ...tern_fn.txt => 0036_unsafe_extern_fn.rast} |  0
 ...37_qual_paths.txt => 0037_qual_paths.rast} |  0
 ...nge_expr.txt => 0038_full_range_expr.rast} |  0
 .../{0039_type_arg.txt => 0039_type_arg.rast} |  0
 ...rd_vis.txt => 0040_crate_keyword_vis.rast} |  0
 ...41_trait_item.txt => 0041_trait_item.rast} |  0
 ...0042_call_expr.txt => 0042_call_expr.rast} |  0
 ...0043_use_alias.txt => 0043_use_alias.rast} |  0
 ..._block_items.txt => 0044_block_items.rast} |  0
 ....txt => 0045_param_list_opt_patterns.rast} |  0
 ...ype.txt => 0046_singleton_tuple_type.rast} |  0
 ...impl.txt => 0047_unsafe_default_impl.rast} |  0
 ...ds.txt => 0048_path_type_with_bounds.rast} |  0
 .../{0050_fn_decl.txt => 0050_fn_decl.rast}   |  0
 ...0051_unit_type.txt => 0051_unit_type.rast} |  0
 ...0052_path_type.txt => 0052_path_type.rast} |  0
 ...0053_path_expr.txt => 0053_path_expr.rast} |  0
 ...attrs.txt => 0054_record_field_attrs.rast} |  0
 ..._pattern.txt => 0055_literal_pattern.rast} |  0
 ...here_clause.txt => 0056_where_clause.rast} |  0
 .../{0057_const_fn.txt => 0057_const_fn.rast} |  0
 ...0058_range_pat.txt => 0058_range_pat.rast} |  0
 ...commas.txt => 0059_match_arms_commas.rast} |  0
 ...xtern_crate.txt => 0060_extern_crate.rast} |  0
 ...61_record_lit.txt => 0061_record_lit.rast} |  0
 ...od_contents.txt => 0062_mod_contents.rast} |  0
 ...mpl_def_neg.txt => 0063_impl_def_neg.rast} |  0
 .../{0064_if_expr.txt => 0064_if_expr.rast}   |  0
 ...rait_type.txt => 0065_dyn_trait_type.rast} |  0
 ...0066_match_arm.txt => 0066_match_arm.rast} |  0
 ...67_crate_path.txt => 0067_crate_path.rast} |  0
 ..._union_items.txt => 0068_union_items.rast} |  0
 ...txt => 0069_use_tree_list_after_path.rast} |  0
 ....txt => 0070_stmt_bin_expr_ambiguity.rast} |  0
 ...71_match_expr.txt => 0071_match_expr.rast} |  0
 ..._return_expr.txt => 0072_return_expr.rast} |  0
 ...ms.txt => 0073_type_item_type_params.rast} |  0
 ... => 0074_stmt_postfix_expr_ambiguity.rast} |  0
 .../ok/{0075_block.txt => 0075_block.rast}    |  0
 ...se.txt => 0076_function_where_clause.rast} |  0
 .../{0077_try_expr.txt => 0077_try_expr.rast} |  0
 ...0078_type_item.txt => 0078_type_item.rast} |  0
 .../{0079_impl_def.txt => 0079_impl_def.rast} |  0
 ...tfix_range.txt => 0080_postfix_range.rast} |  0
 .../{0081_for_type.txt => 0081_for_type.rast} |  0
 .../{0082_ref_expr.txt => 0082_ref_expr.rast} |  0
 ...truct_items.txt => 0083_struct_items.rast} |  0
 ...84_paren_type.txt => 0084_paren_type.rast} |  0
 ...r_literals.txt => 0085_expr_literals.rast} |  0
 ...t_type.txt => 0086_function_ret_type.rast} |  0
 ..._unsafe_impl.txt => 0087_unsafe_impl.rast} |  0
 ...mbiguity.txt => 0088_break_ambiguity.rast} |  0
 ...0089_extern_fn.txt => 0089_extern_fn.rast} |  0
 ...fault.txt => 0090_type_param_default.rast} |  0
 ...91_auto_trait.txt => 0091_auto_trait.rast} |  0
 ...txt => 0092_fn_pointer_type_with_ret.rast} |  0
 ...93_index_expr.txt => 0093_index_expr.rast} |  0
 ..._trait.txt => 0094_unsafe_auto_trait.rast} |  0
 ...lder_pat.txt => 0095_placeholder_pat.rast} |  0
 ...lock.txt => 0096_no_semi_after_block.rast} |  0
 ...efault_impl.txt => 0097_default_impl.rast} |  0
 ...nsafe_fn.txt => 0098_const_unsafe_fn.rast} |  0
 ...99_param_list.txt => 0099_param_list.rast} |  0
 .../{0100_for_expr.txt => 0100_for_expr.rast} |  0
 ...0101_unsafe_fn.txt => 0101_unsafe_fn.rast} |  0
 ...st.txt => 0102_record_field_pat_list.rast} |  0
 ...03_array_expr.txt => 0103_array_expr.rast} |  0
 ..._args.txt => 0104_path_fn_trait_args.rast} |  0
 ...05_block_expr.txt => 0105_block_expr.rast} |  0
 ..._lambda_expr.txt => 0106_lambda_expr.rast} |  0
 ...ll_expr.txt => 0107_method_call_expr.rast} |  0
 ...08_tuple_expr.txt => 0108_tuple_expr.rast} |  0
 .../ok/{0109_label.txt => 0109_label.rast}    |  0
 .../{0110_use_path.txt => 0110_use_path.rast} |  0
 ...0111_tuple_pat.txt => 0111_tuple_pat.rast} |  0
 .../{0112_bind_pat.txt => 0112_bind_pat.rast} |  0
 ...ontentexpr.txt => 0113_nocontentexpr.rast} |  0
 ...where.txt => 0114_tuple_struct_where.rast} |  0
 ..._attrs.txt => 0115_tuple_field_attrs.rast} |  0
 ...all_type.txt => 0117_macro_call_type.rast} |  0
 ...es.txt => 0118_impl_inner_attributes.rast} |  0
 ..._match_guard.txt => 0118_match_guard.rast} |  0
 ...t => 0120_match_arms_inner_attribute.rast} |  0
 ... => 0121_match_arms_outer_attributes.rast} |  0
 ...0122_generic_lifetime_type_attribute.rast} |  0
 ...vararg.txt => 0123_param_list_vararg.rast} |  0
 .../{0124_async_fn.txt => 0124_async_fn.rast} |  0
 ..._path.txt => 0125_crate_keyword_path.rast} |  0
 ... 0125_record_literal_field_with_attr.rast} |  0
 ...r_stmt.txt => 0126_attr_on_expr_stmt.rast} |  0
 ...t => 0127_attr_on_last_expr_in_block.rast} |  0
 ...ombined_fns.txt => 0128_combined_fns.rast} |  0
 ...0129_marco_pat.txt => 0129_marco_pat.rast} |  0
 .../{0130_let_stmt.txt => 0130_let_stmt.rast} |  0
 ...lock_expr.txt => 0130_try_block_expr.rast} |  0
 ...al_type.txt => 0131_existential_type.rast} |  0
 .../{0132_box_expr.txt => 0132_box_expr.rast} |  0
 ..._fn_type.txt => 0132_default_fn_type.rast} |  0
 ...txt => 0134_nocontentexpr_after_item.rast} |  0
 ...37_await_expr.txt => 0137_await_expr.rast} |  0
 ...s.txt => 0138_associated_type_bounds.rast} |  0
 ...k.txt => 0138_expression_after_block.rast} |  0
 ...tr.txt => 0138_self_param_outer_attr.rast} |  0
 ...uter_arg.txt => 0139_param_outer_arg.rast} |  0
 ...ange_from.txt => 0142_for_range_from.rast} |  0
 .../{0143_box_pat.txt => 0143_box_pat.rast}   |  0
 ..._dot_dot_pat.txt => 0144_dot_dot_pat.rast} |  0
 ...eld_pat.txt => 0145_record_field_pat.rast} |  0
 ...precedence.txt => 0146_as_precedence.rast} |  0
 ..._const_param.txt => 0147_const_param.rast} |  0
 ...0147_macro_def.txt => 0147_macro_def.rast} |  0
 ..._macro_def.txt => 0148_pub_macro_def.rast} |  0
 ..._array_attrs.txt => 0150_array_attrs.rast} |  0
 ..._params.txt => 0150_impl_type_params.rast} |  0
 ..._trait_alias.txt => 0151_trait_alias.rast} |  0
 ..._with_attr.txt => 0152_arg_with_attr.rast} |  0
 ... => 0154_fn_pointer_param_ident_path.rast} |  0
 ...re_params.txt => 0155_closure_params.rast} |  0
 ...n_def_param.txt => 0156_fn_def_param.rast} |  0
 ...56_or_pattern.txt => 0156_or_pattern.rast} |  0
 ...g.txt => 0157_fn_pointer_unnamed_arg.rast} |  0
 ...ant.txt => 0157_variant_discriminant.rast} |  0
 ...t => 0158_binop_resets_statementness.rast} |  0
 ...t_block.txt => 0158_lambda_ret_block.rast} |  0
 .../ok/{0000_empty.txt => 0000_empty.rast}    |  0
 ..._struct_item.txt => 0001_struct_item.rast} |  0
 ..._field.txt => 0002_struct_item_field.rast} |  0
 ...ile_shebang.txt => 0004_file_shebang.rast} |  0
 .../{0005_fn_item.txt => 0005_fn_item.rast}   |  0
 ...ributes.txt => 0006_inner_attributes.rast} |  0
 ...xtern_crate.txt => 0007_extern_crate.rast} |  0
 .../{0008_mod_item.txt => 0008_mod_item.rast} |  0
 .../{0009_use_item.txt => 0009_use_item.rast} |  0
 ...gments.txt => 0010_use_path_segments.rast} |  0
 ...ttribute.txt => 0011_outer_attribute.rast} |  0
 ...12_visibility.txt => 0012_visibility.rast} |  0
 ...uper.txt => 0013_use_path_self_super.rast} |  0
 .../{0014_use_tree.txt => 0014_use_tree.rast} |  0
 .../{0015_use_tree.txt => 0015_use_tree.rast} |  0
 ...t_flavors.txt => 0016_struct_flavors.rast} |  0
 ...omma.txt => 0017_attr_trailing_comma.rast} |  0
 ...arams.txt => 0018_struct_type_params.rast} |  0
 .../ok/{0019_enums.txt => 0019_enums.rast}    |  0
 ...bounds.txt => 0020_type_param_bounds.rast} |  0
 ...0021_extern_fn.txt => 0021_extern_fn.rast} |  0
 ...block.txt => 0022_empty_extern_block.rast} |  0
 ...tatic_items.txt => 0023_static_items.rast} |  0
 ...24_const_item.txt => 0024_const_item.rast} |  0
 ...block.txt => 0025_extern_fn_in_block.rast} |  0
 ..._block.txt => 0026_const_fn_in_block.rast} |  0
 ...block.txt => 0027_unsafe_fn_in_block.rast} |  0
 ...r.txt => 0028_operator_binding_power.rast} |  0
 ..._range_forms.txt => 0029_range_forms.rast} |  0
 ...suffixes.txt => 0030_string_suffixes.rast} |  0
 .../ok/{0030_traits.txt => 0030_traits.rast}  |  0
 .../ok/{0031_extern.txt => 0031_extern.rast}  |  0
 ...0032_where_for.txt => 0032_where_for.rast} |  0
 ..._label_break.txt => 0033_label_break.rast} |  0
 ..._call.txt => 0034_crate_path_in_call.rast} |  0
 ..._weird_exprs.txt => 0035_weird_exprs.rast} |  0
 ...ualified.txt => 0036_fully_qualified.rast} |  0
 .../parser/ok/{0037_mod.txt => 0037_mod.rast} |  0
 ...red_type.txt => 0038_where_pred_type.rast} |  0
 ..._raw_fn_item.txt => 0039_raw_fn_item.rast} |  0
 ...ld.txt => 0040_raw_struct_item_field.rast} |  0
 ...aw_keywords.txt => 0041_raw_keywords.rast} |  0
 ...call_list.txt => 0042_ufcs_call_list.rast} |  0
 ...nment.txt => 0043_complex_assignment.rast} |  0
 ...0044_let_attrs.txt => 0044_let_attrs.rast} |  0
 ..._attrs.txt => 0045_block_inner_attrs.rast} |  0
 ....txt => 0046_extern_inner_attributes.rast} |  0
 ...n.txt => 0047_minus_in_inner_pattern.rast} |  0
 ...ment.txt => 0048_compound_assignment.rast} |  0
 ..._async_block.txt => 0049_async_block.rast} |  0
 ....txt => 0050_async_block_as_argument.rast} |  0
 ...er_attrs.txt => 0051_parameter_attrs.rast} |  0
 ...ge_block.txt => 0052_for_range_block.rast} |  0
 ... 0053_outer_attribute_on_macro_rules.rast} |  0
 ...rg.txt => 0054_qual_path_in_type_arg.rast} |  0
 ..._dot_dot_dot.txt => 0055_dot_dot_dot.rast} |  0
 ..._neq_in_type.txt => 0056_neq_in_type.rast} |  0
 ...oop_in_call.txt => 0057_loop_in_call.rast} |  0
 ...ce.txt => 0058_unary_expr_precedence.rast} |  0
 ...n_parens.txt => 0059_loops_in_parens.rast} |  0
 .../{0060_as_range.txt => 0060_as_range.rast} |  0
 ...l_range.txt => 0061_match_full_range.rast} |  0
 ...0062_macro_2.0.txt => 0062_macro_2.0.rast} |  0
 ...tterns.txt => 0063_trait_fn_patterns.rast} |  0
 ...ariadic_fun.txt => 0063_variadic_fun.rast} |  0
 ...fn_params.txt => 0064_impl_fn_params.rast} |  0
 ..._newline.txt => 0065_comment_newline.rast} |  0
 crates/test_utils/src/lib.rs                  | 34 +++++++++----------
 278 files changed, 23 insertions(+), 25 deletions(-)
 rename crates/ra_syntax/test_data/parser/err/{0000_struct_field_missing_comma.txt => 0000_struct_field_missing_comma.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0001_item_recovery_in_file.txt => 0001_item_recovery_in_file.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0002_duplicate_shebang.txt => 0002_duplicate_shebang.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0003_C++_semicolon.txt => 0003_C++_semicolon.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0004_use_path_bad_segment.txt => 0004_use_path_bad_segment.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0005_attribute_recover.txt => 0005_attribute_recover.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0006_named_field_recovery.txt => 0006_named_field_recovery.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0007_stray_curly_in_file.txt => 0007_stray_curly_in_file.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0008_item_block_recovery.txt => 0008_item_block_recovery.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0009_broken_struct_type_parameter.txt => 0009_broken_struct_type_parameter.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0010_unsafe_lambda_block.txt => 0010_unsafe_lambda_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0011_extern_struct.txt => 0011_extern_struct.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0012_broken_lambda.txt => 0012_broken_lambda.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0013_invalid_type.txt => 0013_invalid_type.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0014_where_no_bounds.txt => 0014_where_no_bounds.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0015_curly_in_params.txt => 0015_curly_in_params.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0016_missing_semi.txt => 0016_missing_semi.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0017_incomplete_binexpr.txt => 0017_incomplete_binexpr.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0018_incomplete_fn.txt => 0018_incomplete_fn.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0019_let_recover.txt => 0019_let_recover.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0020_fn_recover.txt => 0020_fn_recover.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0021_incomplete_param.txt => 0021_incomplete_param.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0022_bad_exprs.txt => 0022_bad_exprs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0023_mismatched_paren.txt => 0023_mismatched_paren.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0024_many_type_parens.txt => 0024_many_type_parens.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0025_nope.txt => 0025_nope.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0026_imp_recovery.txt => 0026_imp_recovery.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0027_incomplere_where_for.txt => 0027_incomplere_where_for.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0029_field_completion.txt => 0029_field_completion.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0031_block_inner_attrs.txt => 0031_block_inner_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0032_match_arms_inner_attrs.txt => 0032_match_arms_inner_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0033_match_arms_outer_attrs.txt => 0033_match_arms_outer_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0034_bad_box_pattern.txt => 0034_bad_box_pattern.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0035_use_recover.txt => 0035_use_recover.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0036_partial_use.txt => 0036_partial_use.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0037_visibility_in_traits.txt => 0037_visibility_in_traits.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0038_endless_inclusive_range.txt => 0038_endless_inclusive_range.rast} (100%)
 rename crates/ra_syntax/test_data/parser/err/{0039_lambda_recovery.txt => 0039_lambda_recovery.rast} (100%)
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 rename crates/ra_syntax/test_data/parser/ok/{0014_use_tree.txt => 0014_use_tree.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0015_use_tree.txt => 0015_use_tree.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0016_struct_flavors.txt => 0016_struct_flavors.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0017_attr_trailing_comma.txt => 0017_attr_trailing_comma.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0018_struct_type_params.txt => 0018_struct_type_params.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0019_enums.txt => 0019_enums.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0020_type_param_bounds.txt => 0020_type_param_bounds.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0021_extern_fn.txt => 0021_extern_fn.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0022_empty_extern_block.txt => 0022_empty_extern_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0023_static_items.txt => 0023_static_items.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0024_const_item.txt => 0024_const_item.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0025_extern_fn_in_block.txt => 0025_extern_fn_in_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0026_const_fn_in_block.txt => 0026_const_fn_in_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0027_unsafe_fn_in_block.txt => 0027_unsafe_fn_in_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0028_operator_binding_power.txt => 0028_operator_binding_power.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0029_range_forms.txt => 0029_range_forms.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0030_string_suffixes.txt => 0030_string_suffixes.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0030_traits.txt => 0030_traits.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0031_extern.txt => 0031_extern.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0032_where_for.txt => 0032_where_for.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0033_label_break.txt => 0033_label_break.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0034_crate_path_in_call.txt => 0034_crate_path_in_call.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0035_weird_exprs.txt => 0035_weird_exprs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0036_fully_qualified.txt => 0036_fully_qualified.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0037_mod.txt => 0037_mod.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0038_where_pred_type.txt => 0038_where_pred_type.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0039_raw_fn_item.txt => 0039_raw_fn_item.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0040_raw_struct_item_field.txt => 0040_raw_struct_item_field.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0041_raw_keywords.txt => 0041_raw_keywords.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0042_ufcs_call_list.txt => 0042_ufcs_call_list.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0043_complex_assignment.txt => 0043_complex_assignment.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0044_let_attrs.txt => 0044_let_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0045_block_inner_attrs.txt => 0045_block_inner_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0046_extern_inner_attributes.txt => 0046_extern_inner_attributes.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0047_minus_in_inner_pattern.txt => 0047_minus_in_inner_pattern.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0048_compound_assignment.txt => 0048_compound_assignment.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0049_async_block.txt => 0049_async_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0050_async_block_as_argument.txt => 0050_async_block_as_argument.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0051_parameter_attrs.txt => 0051_parameter_attrs.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0052_for_range_block.txt => 0052_for_range_block.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0053_outer_attribute_on_macro_rules.txt => 0053_outer_attribute_on_macro_rules.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0054_qual_path_in_type_arg.txt => 0054_qual_path_in_type_arg.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0055_dot_dot_dot.txt => 0055_dot_dot_dot.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0056_neq_in_type.txt => 0056_neq_in_type.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0057_loop_in_call.txt => 0057_loop_in_call.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0058_unary_expr_precedence.txt => 0058_unary_expr_precedence.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0059_loops_in_parens.txt => 0059_loops_in_parens.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0060_as_range.txt => 0060_as_range.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0061_match_full_range.txt => 0061_match_full_range.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0062_macro_2.0.txt => 0062_macro_2.0.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0063_trait_fn_patterns.txt => 0063_trait_fn_patterns.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0063_variadic_fun.txt => 0063_variadic_fun.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0064_impl_fn_params.txt => 0064_impl_fn_params.rast} (100%)
 rename crates/ra_syntax/test_data/parser/ok/{0065_comment_newline.txt => 0065_comment_newline.rast} (100%)

diff --git a/crates/ra_syntax/src/tests.rs b/crates/ra_syntax/src/tests.rs
index 6a8cb6bb57..355843b946 100644
--- a/crates/ra_syntax/src/tests.rs
+++ b/crates/ra_syntax/src/tests.rs
@@ -3,7 +3,7 @@ use std::{
     path::{Component, Path, PathBuf},
 };
 
-use test_utils::{collect_tests, dir_tests, project_dir, read_text};
+use test_utils::{collect_rust_files, dir_tests, project_dir, read_text};
 
 use crate::{fuzz, tokenize, SourceFile, SyntaxError, TextRange, TextUnit, Token};
 
@@ -13,12 +13,12 @@ fn lexer_tests() {
     // * Add tests for unicode escapes in byte-character and [raw]-byte-string literals
     // * Add tests for unescape errors
 
-    dir_tests(&test_data_dir(), &["lexer/ok"], |text, path| {
+    dir_tests(&test_data_dir(), &["lexer/ok"], "txt", |text, path| {
         let (tokens, errors) = tokenize(text);
         assert_errors_are_absent(&errors, path);
         dump_tokens_and_errors(&tokens, &errors, text)
     });
-    dir_tests(&test_data_dir(), &["lexer/err"], |text, path| {
+    dir_tests(&test_data_dir(), &["lexer/err"], "txt", |text, path| {
         let (tokens, errors) = tokenize(text);
         assert_errors_are_present(&errors, path);
         dump_tokens_and_errors(&tokens, &errors, text)
@@ -40,13 +40,13 @@ fn main() {
 
 #[test]
 fn parser_tests() {
-    dir_tests(&test_data_dir(), &["parser/inline/ok", "parser/ok"], |text, path| {
+    dir_tests(&test_data_dir(), &["parser/inline/ok", "parser/ok"], "rast", |text, path| {
         let parse = SourceFile::parse(text);
         let errors = parse.errors();
         assert_errors_are_absent(&errors, path);
         parse.debug_dump()
     });
-    dir_tests(&test_data_dir(), &["parser/err", "parser/inline/err"], |text, path| {
+    dir_tests(&test_data_dir(), &["parser/err", "parser/inline/err"], "rast", |text, path| {
         let parse = SourceFile::parse(text);
         let errors = parse.errors();
         assert_errors_are_present(&errors, path);
@@ -56,14 +56,14 @@ fn parser_tests() {
 
 #[test]
 fn parser_fuzz_tests() {
-    for (_, text) in collect_tests(&test_data_dir(), &["parser/fuzz-failures"]) {
+    for (_, text) in collect_rust_files(&test_data_dir(), &["parser/fuzz-failures"]) {
         fuzz::check_parser(&text)
     }
 }
 
 #[test]
 fn reparse_fuzz_tests() {
-    for (_, text) in collect_tests(&test_data_dir(), &["reparse/fuzz-failures"]) {
+    for (_, text) in collect_rust_files(&test_data_dir(), &["reparse/fuzz-failures"]) {
         let check = fuzz::CheckReparse::from_data(text.as_bytes()).unwrap();
         println!("{:?}", check);
         check.run();
diff --git a/crates/ra_syntax/test_data/parser/err/0000_struct_field_missing_comma.txt b/crates/ra_syntax/test_data/parser/err/0000_struct_field_missing_comma.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0000_struct_field_missing_comma.txt
rename to crates/ra_syntax/test_data/parser/err/0000_struct_field_missing_comma.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0001_item_recovery_in_file.txt b/crates/ra_syntax/test_data/parser/err/0001_item_recovery_in_file.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0001_item_recovery_in_file.txt
rename to crates/ra_syntax/test_data/parser/err/0001_item_recovery_in_file.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0002_duplicate_shebang.txt b/crates/ra_syntax/test_data/parser/err/0002_duplicate_shebang.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0002_duplicate_shebang.txt
rename to crates/ra_syntax/test_data/parser/err/0002_duplicate_shebang.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0003_C++_semicolon.txt b/crates/ra_syntax/test_data/parser/err/0003_C++_semicolon.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0003_C++_semicolon.txt
rename to crates/ra_syntax/test_data/parser/err/0003_C++_semicolon.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0004_use_path_bad_segment.txt b/crates/ra_syntax/test_data/parser/err/0004_use_path_bad_segment.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0004_use_path_bad_segment.txt
rename to crates/ra_syntax/test_data/parser/err/0004_use_path_bad_segment.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.txt b/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0005_attribute_recover.txt
rename to crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0006_named_field_recovery.txt b/crates/ra_syntax/test_data/parser/err/0006_named_field_recovery.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0006_named_field_recovery.txt
rename to crates/ra_syntax/test_data/parser/err/0006_named_field_recovery.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.txt b/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.txt
rename to crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.txt b/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.txt
rename to crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0009_broken_struct_type_parameter.txt b/crates/ra_syntax/test_data/parser/err/0009_broken_struct_type_parameter.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0009_broken_struct_type_parameter.txt
rename to crates/ra_syntax/test_data/parser/err/0009_broken_struct_type_parameter.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.txt b/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.txt
rename to crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0011_extern_struct.txt b/crates/ra_syntax/test_data/parser/err/0011_extern_struct.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0011_extern_struct.txt
rename to crates/ra_syntax/test_data/parser/err/0011_extern_struct.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.txt b/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0012_broken_lambda.txt
rename to crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0013_invalid_type.txt b/crates/ra_syntax/test_data/parser/err/0013_invalid_type.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0013_invalid_type.txt
rename to crates/ra_syntax/test_data/parser/err/0013_invalid_type.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.txt b/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.txt
rename to crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.txt b/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0015_curly_in_params.txt
rename to crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0016_missing_semi.txt b/crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0016_missing_semi.txt
rename to crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.txt b/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.txt
rename to crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.txt b/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.txt
rename to crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0019_let_recover.txt b/crates/ra_syntax/test_data/parser/err/0019_let_recover.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0019_let_recover.txt
rename to crates/ra_syntax/test_data/parser/err/0019_let_recover.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0020_fn_recover.txt b/crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0020_fn_recover.txt
rename to crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.txt b/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0021_incomplete_param.txt
rename to crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.txt b/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0022_bad_exprs.txt
rename to crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.txt b/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.txt
rename to crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.txt b/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0024_many_type_parens.txt
rename to crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0025_nope.txt b/crates/ra_syntax/test_data/parser/err/0025_nope.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0025_nope.txt
rename to crates/ra_syntax/test_data/parser/err/0025_nope.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0026_imp_recovery.txt b/crates/ra_syntax/test_data/parser/err/0026_imp_recovery.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0026_imp_recovery.txt
rename to crates/ra_syntax/test_data/parser/err/0026_imp_recovery.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.txt b/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.txt
rename to crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0029_field_completion.txt b/crates/ra_syntax/test_data/parser/err/0029_field_completion.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0029_field_completion.txt
rename to crates/ra_syntax/test_data/parser/err/0029_field_completion.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.txt b/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.txt
rename to crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.txt b/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.txt
rename to crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.txt b/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.txt
rename to crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.txt b/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.txt
rename to crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0035_use_recover.txt b/crates/ra_syntax/test_data/parser/err/0035_use_recover.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0035_use_recover.txt
rename to crates/ra_syntax/test_data/parser/err/0035_use_recover.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0036_partial_use.txt b/crates/ra_syntax/test_data/parser/err/0036_partial_use.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0036_partial_use.txt
rename to crates/ra_syntax/test_data/parser/err/0036_partial_use.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.txt b/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.txt
rename to crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.txt b/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.txt
rename to crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast
diff --git a/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.txt b/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.txt
rename to crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0001_array_type_missing_semi.txt b/crates/ra_syntax/test_data/parser/inline/err/0001_array_type_missing_semi.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/inline/err/0001_array_type_missing_semi.txt
rename to crates/ra_syntax/test_data/parser/inline/err/0001_array_type_missing_semi.rast
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.txt b/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.txt
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rename from crates/ra_syntax/test_data/parser/ok/0019_enums.txt
rename to crates/ra_syntax/test_data/parser/ok/0019_enums.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0020_type_param_bounds.txt b/crates/ra_syntax/test_data/parser/ok/0020_type_param_bounds.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0020_type_param_bounds.txt
rename to crates/ra_syntax/test_data/parser/ok/0020_type_param_bounds.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.txt b/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0021_extern_fn.txt
rename to crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0022_empty_extern_block.txt b/crates/ra_syntax/test_data/parser/ok/0022_empty_extern_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0022_empty_extern_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0022_empty_extern_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0023_static_items.txt b/crates/ra_syntax/test_data/parser/ok/0023_static_items.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0023_static_items.txt
rename to crates/ra_syntax/test_data/parser/ok/0023_static_items.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0024_const_item.txt b/crates/ra_syntax/test_data/parser/ok/0024_const_item.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0024_const_item.txt
rename to crates/ra_syntax/test_data/parser/ok/0024_const_item.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.txt b/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.txt b/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.txt b/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.txt b/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.txt
rename to crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0029_range_forms.txt b/crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0029_range_forms.txt
rename to crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.txt b/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.txt
rename to crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_traits.txt b/crates/ra_syntax/test_data/parser/ok/0030_traits.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0030_traits.txt
rename to crates/ra_syntax/test_data/parser/ok/0030_traits.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0031_extern.txt b/crates/ra_syntax/test_data/parser/ok/0031_extern.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0031_extern.txt
rename to crates/ra_syntax/test_data/parser/ok/0031_extern.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0032_where_for.txt b/crates/ra_syntax/test_data/parser/ok/0032_where_for.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0032_where_for.txt
rename to crates/ra_syntax/test_data/parser/ok/0032_where_for.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0033_label_break.txt b/crates/ra_syntax/test_data/parser/ok/0033_label_break.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0033_label_break.txt
rename to crates/ra_syntax/test_data/parser/ok/0033_label_break.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.txt b/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.txt
rename to crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.txt b/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.txt
rename to crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.txt b/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.txt
rename to crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0037_mod.txt b/crates/ra_syntax/test_data/parser/ok/0037_mod.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0037_mod.txt
rename to crates/ra_syntax/test_data/parser/ok/0037_mod.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.txt b/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.txt
rename to crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.txt b/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.txt
rename to crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0040_raw_struct_item_field.txt b/crates/ra_syntax/test_data/parser/ok/0040_raw_struct_item_field.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0040_raw_struct_item_field.txt
rename to crates/ra_syntax/test_data/parser/ok/0040_raw_struct_item_field.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.txt b/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.txt
rename to crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.txt b/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.txt
rename to crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.txt b/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.txt
rename to crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.txt b/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0044_let_attrs.txt
rename to crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.txt b/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.txt
rename to crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0046_extern_inner_attributes.txt b/crates/ra_syntax/test_data/parser/ok/0046_extern_inner_attributes.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0046_extern_inner_attributes.txt
rename to crates/ra_syntax/test_data/parser/ok/0046_extern_inner_attributes.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.txt b/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.txt
rename to crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.txt b/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.txt
rename to crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0049_async_block.txt b/crates/ra_syntax/test_data/parser/ok/0049_async_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0049_async_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0049_async_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.txt b/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.txt
rename to crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.txt b/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.txt
rename to crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.txt b/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0052_for_range_block.txt
rename to crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.txt b/crates/ra_syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.txt
rename to crates/ra_syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.txt b/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.txt
rename to crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.txt b/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.txt
rename to crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.txt b/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.txt
rename to crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.txt b/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.txt
rename to crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt
rename to crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.txt b/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.txt
rename to crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0060_as_range.txt b/crates/ra_syntax/test_data/parser/ok/0060_as_range.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0060_as_range.txt
rename to crates/ra_syntax/test_data/parser/ok/0060_as_range.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.txt b/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0061_match_full_range.txt
rename to crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.txt b/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.txt
rename to crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.txt b/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.txt
rename to crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.txt b/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.txt
rename to crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.txt b/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.txt
rename to crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast
diff --git a/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.txt b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast
similarity index 100%
rename from crates/ra_syntax/test_data/parser/ok/0065_comment_newline.txt
rename to crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast
diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index db03df1c45..4164bfd5ed 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -302,42 +302,40 @@ pub fn find_mismatch<'a>(expected: &'a Value, actual: &'a Value) -> Option<(&'a
     }
 }
 
-/// Calls callback `f` with input code and file paths of all `.rs` files from `test_data_dir`
+/// Calls callback `f` with input code and file paths for each `.rs` file in `test_data_dir`
 /// subdirectories defined by `paths`.
 ///
-/// If the content of the matching `.txt` file differs from the output of `f()`
+/// If the content of the matching output file differs from the output of `f()`
 /// the test will fail.
 ///
-/// If there is no matching `.txt` file it will be created and filled with the
+/// If there is no matching output file it will be created and filled with the
 /// output of `f()`, but the test will fail.
-pub fn dir_tests<F>(test_data_dir: &Path, paths: &[&str], f: F)
+pub fn dir_tests<F>(test_data_dir: &Path, paths: &[&str], outfile_extension: &str, f: F)
 where
     F: Fn(&str, &Path) -> String,
 {
-    for (path, input_code) in collect_tests(test_data_dir, paths) {
-        let parse_tree = f(&input_code, &path);
-        let path = path.with_extension("txt");
+    for (path, input_code) in collect_rust_files(test_data_dir, paths) {
+        let actual = f(&input_code, &path);
+        let path = path.with_extension(outfile_extension);
         if !path.exists() {
             println!("\nfile: {}", path.display());
             println!("No .txt file with expected result, creating...\n");
-            println!("{}\n{}", input_code, parse_tree);
-            fs::write(&path, &parse_tree).unwrap();
-            panic!("No expected result")
+            println!("{}\n{}", input_code, actual);
+            fs::write(&path, &actual).unwrap();
+            panic!("No expected result");
         }
         let expected = read_text(&path);
-        let expected = expected.as_str();
-        let parse_tree = parse_tree.as_str();
-        assert_equal_text(expected, parse_tree, &path);
+        assert_equal_text(&expected, &actual, &path);
     }
 }
 
-/// Collects all `.rs` files from `test_data_dir` subdirectories defined by `paths`.
-pub fn collect_tests(test_data_dir: &Path, paths: &[&str]) -> Vec<(PathBuf, String)> {
+/// Collects all `.rs` files from `dir` subdirectories defined by `paths`.
+pub fn collect_rust_files(root_dir: &Path, paths: &[&str]) -> Vec<(PathBuf, String)> {
     paths
         .iter()
         .flat_map(|path| {
-            let path = test_data_dir.to_owned().join(path);
-            test_from_dir(&path).into_iter()
+            let path = root_dir.to_owned().join(path);
+            rust_files_in_dir(&path).into_iter()
         })
         .map(|path| {
             let text = read_text(&path);
@@ -347,7 +345,7 @@ pub fn collect_tests(test_data_dir: &Path, paths: &[&str]) -> Vec<(PathBuf, Stri
 }
 
 /// Collects paths to all `.rs` files from `dir` in a sorted `Vec<PathBuf>`.
-fn test_from_dir(dir: &Path) -> Vec<PathBuf> {
+fn rust_files_in_dir(dir: &Path) -> Vec<PathBuf> {
     let mut acc = Vec::new();
     for file in fs::read_dir(&dir).unwrap() {
         let file = file.unwrap();