summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDaniel Shahaf <d.s@daniel.shahaf.name>2021-04-21 21:59:45 +0000
committerDaniel Shahaf <d.s@daniel.shahaf.name>2021-04-21 22:05:00 +0000
commitb0bd14035d1e2747ff98c46ca8715aab4f9533ea (patch)
treeb11c520c1cbbd2693a3a3838b39e8ccd3ba38e51
parente7711e37e4a85338a4717ca5791940bc64878afb (diff)
downloadzsh-b0bd14035d1e2747ff98c46ca8715aab4f9533ea.tar.gz
zsh-b0bd14035d1e2747ff98c46ca8715aab4f9533ea.zip
48606 + 48607 + unposted test: zmathfunc: Force arguments to be numbers and catch errors.
-rw-r--r--ChangeLog4
-rw-r--r--Functions/Math/zmathfunc16
-rw-r--r--Test/Z02zmathfunc.ztst8
3 files changed, 24 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index ac4c95c84..72c48a18b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2021-04-21 Daniel Shahaf <d.s@daniel.shahaf.name>
+ * 48606 + 48607 + unposted test: Functions/Math/zmathfunc,
+ Test/Z02zmathfunc.ztst: zmathfunc: Force arguments to be numbers
+ and catch errors.
+
* unposted (cf. 48156): Test/Z02zmathfunc.ztst: New test.
* users/26635 (tweaked):
diff --git a/Functions/Math/zmathfunc b/Functions/Math/zmathfunc
index 8e4b78549..12d2c2f3d 100644
--- a/Functions/Math/zmathfunc
+++ b/Functions/Math/zmathfunc
@@ -6,7 +6,12 @@ zsh_math_func_min() {
shift
local arg
for arg ; do
- (( $arg < result )) && result=$arg
+ (( arg < result ))
+ case $? in
+ (0) (( result = arg ));;
+ (1) ;;
+ (*) return $?;;
+ esac
done
(( result ))
true # Careful here: `return 0` evaluates an arithmetic expression
@@ -19,7 +24,12 @@ zsh_math_func_max() {
shift
local arg
for arg ; do
- (( $arg > result )) && result=$arg
+ (( arg > result ))
+ case $? in
+ (0) (( result = arg ));;
+ (1) ;;
+ (*) return $?;;
+ esac
done
(( result ))
true # Careful here: `return 0` evaluates an arithmetic expression
@@ -31,7 +41,7 @@ zsh_math_func_sum() {
local sum
local arg
for arg ; do
- (( sum += $arg ))
+ (( sum += arg ))
done
(( sum ))
true # Careful here: `return 0` evaluates an arithmetic expression
diff --git a/Test/Z02zmathfunc.ztst b/Test/Z02zmathfunc.ztst
index 05e28c07a..2be770a13 100644
--- a/Test/Z02zmathfunc.ztst
+++ b/Test/Z02zmathfunc.ztst
@@ -44,7 +44,13 @@
?(eval):1: wrong number of arguments: max()
zsh_math_func_min "foo bar" x y z
-2dDf:check errors from an unsupported use-case (workers/48156)
+2d:check errors from an unsupported use-case (workers/48156)
+# We expect one non-empty line of stderr, but don't care about the specific
+# error message; thus, the expectation is a pattern (*), for stderr (?), which
+# matches any non-empty string (?*).
+#
+# Sorry, Perl, but I had to give you a run for your money.
+*??*
F:Calling zsh_math_func_min directly isn't a supported use-case, but if it
F:returns zero, something's probably wrong.