diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | Functions/Math/zmathfunc | 10 | ||||
| -rw-r--r-- | Test/Z02zmathfunc.ztst | 2 |
3 files changed, 13 insertions, 3 deletions
@@ -1,5 +1,9 @@ 2021-03-07 Daniel Shahaf <d.s@daniel.shahaf.name> + * 48147/0002: Functions/Math/zmathfunc, Test/Z02zmathfunc.ztst: + zmathfunc: Fix bug where the exit code would be non-zero if + the expression evaluted to zero. + * 48147/0001: Test/Z02zmathfunc.ztst: tests: Add a unit test for zmathfunc and a regression test for workers/48146 affecting it. diff --git a/Functions/Math/zmathfunc b/Functions/Math/zmathfunc index 4ff40700d..8e4b78549 100644 --- a/Functions/Math/zmathfunc +++ b/Functions/Math/zmathfunc @@ -1,34 +1,40 @@ #autoload zsh_math_func_min() { + emulate -L zsh local result=$1 shift local arg for arg ; do (( $arg < result )) && result=$arg done - (( result )) # return + (( result )) + true # Careful here: `return 0` evaluates an arithmetic expression } functions -M min 1 -1 zsh_math_func_min # at least one argument zsh_math_func_max() { + emulate -L zsh local result=$1 shift local arg for arg ; do (( $arg > result )) && result=$arg done - (( result )) # return + (( result )) + true # Careful here: `return 0` evaluates an arithmetic expression } functions -M max 1 -1 zsh_math_func_max # at least one argument zsh_math_func_sum() { + emulate -L zsh local sum local arg for arg ; do (( sum += $arg )) done (( sum )) + true # Careful here: `return 0` evaluates an arithmetic expression } functions -M sum 0 -1 zsh_math_func_sum diff --git a/Test/Z02zmathfunc.ztst b/Test/Z02zmathfunc.ztst index 94bc59576..43a0a0d76 100644 --- a/Test/Z02zmathfunc.ztst +++ b/Test/Z02zmathfunc.ztst @@ -15,7 +15,7 @@ (set -e; echo $(( min(0, 42) ))) (set -e; echo $(( max(0, -42) ))) (set -e; echo $(( sum(42, -42) ))) --f:regression test for ERR_EXIT +0:regression test for ERR_EXIT >0 >0 >0 |