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Add ast::*Number::suffix tests unit tests

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This commit is contained in:
Lukas Wirth 2020-11-28 16:22:28 +01:00
parent 931493e949
commit 49fbfffb48
1 changed files with 37 additions and 0 deletions
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37
crates/syntax/src/ast/token_ext.rs
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@ -612,3 +612,40 @@ impl Radix {
} }
} }
} }
#[cfg(test)]
mod tests {
use crate::ast::{make, FloatNumber, IntNumber};
fn check_float_suffix<'a>(lit: &str, expected: impl Into<Option<&'a str>>) {
assert_eq!(FloatNumber { syntax: make::tokens::literal(lit) }.suffix(), expected.into());
}
fn check_int_suffix<'a>(lit: &str, expected: impl Into<Option<&'a str>>) {
assert_eq!(IntNumber { syntax: make::tokens::literal(lit) }.suffix(), expected.into());
}
#[test]
fn test_float_number_suffix() {
check_float_suffix("123.0", None);
check_float_suffix("123f32", "f32");
check_float_suffix("123.0e", None);
check_float_suffix("123.0e4", None);
check_float_suffix("123.0ef32", "f32");
check_float_suffix("123.0E4f32", "f32");
check_float_suffix("1_2_3.0_f32", "f32");
}
#[test]
fn test_int_number_suffix() {
check_int_suffix("123", None);
check_int_suffix("123i32", "i32");
check_int_suffix("1_0_1_l_o_l", "l_o_l");
check_int_suffix("0b11", None);
check_int_suffix("0o11", None);
check_int_suffix("0xff", None);
check_int_suffix("0b11u32", "u32");
check_int_suffix("0o11u32", "u32");
check_int_suffix("0xffu32", "u32");
}
}