mirror of
https://github.com/fish-shell/fish-shell
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5e6c9508e9
Test1 is a grab bag of stuff, so we need to separate it. This part is concerned with for-loops, so we move it to loops.fish
166 lines
3.9 KiB
Fish
166 lines
3.9 KiB
Fish
#RUN: %fish -C 'set -g fish %fish' %s
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function never_runs
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while false
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end
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end
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function early_return
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while true
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return 2
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end
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end
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function runs_once
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set -l i 1
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while test $i -ne 0 && set i (math $i - 1)
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end
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end
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# this should return 0
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never_runs; echo "Empty Loop in Function: $status"
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#CHECK: Empty Loop in Function: 0
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# this should return 0
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runs_once; echo "Runs Once: $status"
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#CHECK: Runs Once: 0
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# this should return 2
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early_return; echo "Early Return: $status"
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#CHECK: Early Return: 2
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function set_status ; return $argv[1]; end
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# The previous status is visible in the loop condition.
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# This includes both the incoming status, and the last command in the
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# loop body.
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set_status 36
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while begin
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set -l saved $status
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echo "Condition Status: $status"
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set_status $saved
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end
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true
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end
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#CHECK: Condition Status: 36
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# The condition status IS visible in the loop body.
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set_status 55
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while true
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echo "Body Status: $status"
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break
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end
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#CHECK: Body Status: 0
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# The status of the last command is visible in the loop condition
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set_status 13
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while begin
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set -l saved $status
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echo "Condition 2 Status: $saved"
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test $saved -ne 5
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end
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set_status 5
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end
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#CHECK: Condition 2 Status: 13
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#CHECK: Condition 2 Status: 5
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# The status of the last command is visible outside the loop
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set rem 5 7 11
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while [ (count $rem) -gt 0 ]
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set_status $rem[1]
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set rem $rem[2..-1]
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end
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echo "Loop Exit Status: $status"
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#CHECK: Loop Exit Status: 11
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# Empty loops succeed.
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false
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while false; end
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echo "Empty Loop Status: $status"
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#CHECK: Empty Loop Status: 0
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# Loop control in conditions, should have no output.
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for i in 1 2 3
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while break; end
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echo $i
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end
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for i in 1 2 3
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while continue; end
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echo $i
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end
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if false ; or --help ; end
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# Make sure while loops don't run forever with no-exec (#1543)
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echo "while true; end" | $fish --no-execute
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# For loops with read-only vars is an error (#4342)
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for status in a b c
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echo $status
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end
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#CHECKERR: {{.*}}loops.fish (line {{\d+}}): You cannot use read-only variable 'status' in a for loop
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#CHECKERR: for status in a b c
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#CHECKERR: ^
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# "That goes for non-electric ones as well (#5548)"
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for hostname in a b c
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echo $hostname
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end
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#CHECKERR: {{.*}}loops.fish (line {{\d+}}): You cannot use read-only variable 'hostname' in a for loop
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#CHECKERR: for hostname in a b c
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#CHECKERR: ^
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# For loop control vars available outside the for block
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begin
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set -l loop_var initial-value
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for loop_var in a b c
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# do nothing
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end
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set --show loop_var
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end
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set -g loop_var global_val
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function loop_test
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for loop_var in a b c
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if test $loop_var = b
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break
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end
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end
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set --show loop_var
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end
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loop_test
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set --show loop_var
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begin
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set -l loop_var
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for loop_var in aa bb cc
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end
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set --show loop_var
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end
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set --show loop_var
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#CHECK: $loop_var: set in local scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=1 value=|c|
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#CHECK: $loop_var: not set in global scope
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#CHECK: $loop_var: not set in universal scope
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#CHECK:
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#CHECK: $loop_var: set in local scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=1 value=|b|
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#CHECK: $loop_var: set in global scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=10 value=|global_val|
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#CHECK: $loop_var: not set in universal scope
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#CHECK:
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#CHECK: $loop_var: not set in local scope
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#CHECK: $loop_var: set in global scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=10 value=|global_val|
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#CHECK: $loop_var: not set in universal scope
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#CHECK:
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#CHECK: $loop_var: set in local scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=2 value=|cc|
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#CHECK: $loop_var: set in global scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=10 value=|global_val|
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#CHECK: $loop_var: not set in universal scope
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#CHECK:
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#CHECK: $loop_var: not set in local scope
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#CHECK: $loop_var: set in global scope, unexported, with 1 elements
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#CHECK: $loop_var[1]: length=10 value=|global_val|
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#CHECK: $loop_var: not set in universal scope
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