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authorBrian Foley2019-09-05 10:46:22 +0200
committerDenys Vlasenko2019-09-05 10:46:22 +0200
commit7454879a1d9e3948a9af21e31e9d59d5ae8b89f2 (patch)
treebf127bd4540a12f52ff6af0a0260b7a1f3222149 /testsuite/dc.tests
parent22a633962786a7bc97870ced913fc237143cfd68 (diff)
downloadbusybox-7454879a1d9e3948a9af21e31e9d59d5ae8b89f2.zip
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dc: execute shouldn't pop if stack head is not a string
This matches the behaviour of both GNU dc (as specified in its man page), and BSD dc (where stack_popstring() pops only if the head is a string.) Add a couple of tests to verify this behavior. function old new delta zxc_vm_process 6882 6884 +2 Signed-off-by: Brian Foley <bpfoley@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'testsuite/dc.tests')
-rwxr-xr-xtestsuite/dc.tests10
1 files changed, 10 insertions, 0 deletions
diff --git a/testsuite/dc.tests b/testsuite/dc.tests
index 8c3af41..f74e3f0 100755
--- a/testsuite/dc.tests
+++ b/testsuite/dc.tests
@@ -44,6 +44,16 @@ testing "dc complex without spaces (multiple args)" \
optional FEATURE_DC_BIG
# All tests below depend on FEATURE_DC_BIG
+testing "dc: x should execute strings" \
+ "dc -e'[40 2 +] x f'" \
+ "42\n" \
+ "" ""
+
+testing "dc: x should not execute or pop non-strings" \
+ "dc -e'42 x f'" \
+ "42\n" \
+ "" ""
+
testing "dc read" \
"dc -finput" \
"2\n9\n1\n" \