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#3742 added testcases to ensure it works correctly.

This commit is contained in:
Ettl Martin 2012-04-19 10:08:51 +02:00
parent af80344ab7
commit 7699d5bf87
1 changed files with 36 additions and 0 deletions
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36
test/testunusedvar.cpp
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@ -88,6 +88,7 @@ private:
TEST_CASE(localvar40); // ticket #3473
TEST_CASE(localvar41); // ticket #3481
TEST_CASE(localvar42); // ticket #3603
TEST_CASE(localvar43); // ticket #3742
TEST_CASE(localvaralias1);
TEST_CASE(localvaralias2); // ticket #1637
TEST_CASE(localvaralias3); // ticket #1639
@ -1417,6 +1418,41 @@ private:
ASSERT_EQUALS("", errout.str());
}
void localvar43() { // #3742
functionVariableUsage("float g_float = 1;\n"
"extern void SomeTestFunc(float);\n"
"void MyFuncError()\n"
"{\n"
" const float floatA = 2.2f;\n"
" const float floatTot = g_float * floatA;\n"
" SomeTestFunc(floatTot);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
functionVariableUsage("float g_float = 1;\n"
"extern void SomeTestFunc(float);\n"
"void MyFuncNoError()\n"
"{\n"
" //flip around floatB and g_float and the message does not appear\n"
" const float floatB = 2.2f;\n"
" const float floatTot = floatB * g_float;\n"
" SomeTestFunc(floatTot);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
functionVariableUsage("float g_float = 1;\n"
"extern void SomeTestFunc(float);\n"
"void MyFuncNoError2()\n"
"{\n"
" //change floatTot to non-const and the message does not appear\n"
" const float floatC = 2.2f; \n"
" float floatTot = g_float * floatC;\n"
" SomeTestFunc(floatTot);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void localvaralias1() {
functionVariableUsage("void foo()\n"
"{\n"