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Tests for passing non-pointers as scanf read targets
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‎test/testio.cpp‎

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -972,6 +972,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %u in format string (no. 1) requires 'unsigned int *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %u in format string (no. 1) requires 'unsigned int *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(long l) {\n"
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" scanf(\"%u\", l);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %u in format string (no. 1) requires 'unsigned int *' but the argument type is 'signed long'.\n", errout.str());
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TEST_SCANF_WARN("%lu","unsigned long","bool");
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TEST_SCANF_WARN("%lu","unsigned long","char");
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TEST_SCANF_WARN("%lu","unsigned long","signed char");
@@ -1213,6 +1218,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %Ld in format string (no. 1) requires 'long long *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %Ld in format string (no. 1) requires 'long long *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(int i) {\n"
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" scanf(\"%Ld\", i);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %Ld in format string (no. 1) requires 'long long *' but the argument type is 'signed int'.\n", errout.str());
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TEST_SCANF_WARN("%ju", "uintmax_t", "bool");
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TEST_SCANF_WARN("%ju", "uintmax_t", "char");
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TEST_SCANF_WARN("%ju", "uintmax_t", "signed char");
@@ -1493,6 +1503,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %d in format string (no. 1) requires 'int *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %d in format string (no. 1) requires 'int *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(long l) {\n"
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" scanf(\"%d\", l);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %d in format string (no. 1) requires 'int *' but the argument type is 'signed long'.\n", errout.str());
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TEST_SCANF_WARN("%x", "unsigned int", "bool");
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TEST_SCANF_WARN("%x", "unsigned int", "char");
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TEST_SCANF_WARN("%x", "unsigned int", "signed char");
@@ -1527,6 +1542,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %x in format string (no. 1) requires 'unsigned int *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %x in format string (no. 1) requires 'unsigned int *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(long l) {\n"
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" scanf(\"%x\", l);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %x in format string (no. 1) requires 'unsigned int *' but the argument type is 'signed long'.\n", errout.str());
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TEST_SCANF_WARN("%f", "float", "bool");
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TEST_SCANF_WARN("%f", "float", "char");
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TEST_SCANF_WARN("%f", "float", "signed char");
@@ -1561,6 +1581,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %f in format string (no. 1) requires 'float *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %f in format string (no. 1) requires 'float *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(float f) {\n"
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" scanf(\"%f\", f);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %f in format string (no. 1) requires 'float *' but the argument type is 'float'.\n", errout.str());
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TEST_SCANF_WARN("%lf", "double", "bool");
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TEST_SCANF_WARN("%lf", "double", "char");
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TEST_SCANF_WARN("%lf", "double", "signed char");
@@ -1649,6 +1674,11 @@ class TestIO : public TestFixture {
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ASSERT_EQUALS("[test.cpp:2]: (warning) %n in format string (no. 1) requires 'int *' but the argument type is 'const char *'.\n"
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"[test.cpp:3]: (warning) %n in format string (no. 1) requires 'int *' but the argument type is 'const wchar_t *'.\n", errout.str());
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check("void foo(long l) {\n"
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" scanf(\"%n\", l);\n"
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"}", true);
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ASSERT_EQUALS("[test.cpp:2]: (warning) %n in format string (no. 1) requires 'int *' but the argument type is 'signed long'.\n", errout.str());
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check("void g() {\n" // #5104
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" myvector<int> v1(1);\n"
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" scanf(\"%d\",&v1[0]);\n"

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