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Add tests for #14479 & #14480: False negatives with member pointers #8244

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Add tests for #14479 & #14480: False negatives with member pointers #8244

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ffcbdfe
Add test for 14479
ludviggunne Feb 21, 2026
54ca883
Add test for 14480
ludviggunne Feb 21, 2026
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11 changes: 11 additions & 0 deletions test/testuninitvar.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,7 @@ class TestUninitVar : public TestFixture {
TEST_CASE(uninitvar_memberfunction);
TEST_CASE(uninitvar_nonmember); // crash in ycmd test
TEST_CASE(uninitvarDesignatedInitializers);
TEST_CASE(uninitvarMemberPointer);

TEST_CASE(isVariableUsageDeref); // *p
TEST_CASE(isVariableUsageDerefValueflow); // *p
Expand Down Expand Up @@ -7825,6 +7826,16 @@ class TestUninitVar : public TestFixture {
ASSERT_EQUALS("", errout_str());
}

void uninitvarMemberPointer() {
checkUninitVar("void f()\n"
"{\n"
" struct S {};\n"
" int S::* mp;\n"
" if (mp) {}\n"
"}\n");
ASSERT_EQUALS("[test.cpp:5:7]: (error) Uninitialized variable: mp [legacyUninitvar]\n", errout_str());
}

void isVariableUsageDeref() {
// *p
checkUninitVar("void f() {\n"
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10 changes: 10 additions & 0 deletions test/testunusedvar.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,7 @@ class TestUnusedVar : public TestFixture {
TEST_CASE(localvar69);
TEST_CASE(localvar70);
TEST_CASE(localvar71);
TEST_CASE(localvar72);
TEST_CASE(localvarloops); // loops
TEST_CASE(localvaralias1);
TEST_CASE(localvaralias2); // ticket #1637
Expand Down Expand Up @@ -4046,6 +4047,15 @@ class TestUnusedVar : public TestFixture {
ASSERT_EQUALS("", errout_str());
}

void localvar72() {
functionVariableUsage("void f()\n"
"{\n"
" struct S {};\n"
" int S::* mp;\n"
"}\n");
ASSERT_EQUALS("[test.cpp:4:12]: (style) Unused variable: mp [unusedVariable]\n", errout_str());
}

void localvarloops() {
// loops
functionVariableUsage("void fun(int c) {\n"
Expand Down
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