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#8220: Added a regression test.

This commit is contained in:
orbitcowboy 2021-08-01 12:32:01 +02:00
parent 94dc6c2c3f
commit ccd525962b
1 changed files with 19 additions and 2 deletions
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21
test/testcondition.cpp
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@ -2949,6 +2949,23 @@ private:
} }
void alwaysTrue() { void alwaysTrue() {
check("void f ()\n"// #8220
"{\n"
" int a;\n"
" int b = 0;\n"
" int ret;\n"
" \n"
" a = rand();\n"
" while (((0 < a) && (a < 2)) && ((8 < a) && (a < 10))) \n"
" {\n"
" b += a;\n"
" a ++;\n"
" }\n"
" ret = b;\n"
"}");
ASSERT_EQUALS("[test.cpp:8] -> [test.cpp:8]: (style) Condition '8<a' is always false\n", errout.str());
check("void f() {\n" // #4842 check("void f() {\n" // #4842
" int x = 0;\n" " int x = 0;\n"
" if (a) { return; }\n" // <- this is just here to fool simplifyKnownVariabels " if (a) { return; }\n" // <- this is just here to fool simplifyKnownVariabels
@ -4355,8 +4372,8 @@ private:
" if (b == true) {}\n" " if (b == true) {}\n"
"}", &settingsUnix64); "}", &settingsUnix64);
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
} }
void knownConditionCast() { // #9976 void knownConditionCast() { // #9976
check("void f(int i) {\n" check("void f(int i) {\n"
" if (i < 0 || (unsigned)i > 5) {}\n" " if (i < 0 || (unsigned)i > 5) {}\n"