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Tests for unrecognized conversion specifiers

This commit is contained in:
Dmitry-Me 2017-10-20 21:46:24 +03:00
parent 4e881e98cc
commit 5bf29fae49
1 changed files with 23 additions and 1 deletions
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24
test/testio.cpp
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@ -928,6 +928,16 @@ private:
"[test.cpp:9]: (warning) 'L' in format string (no. 1) is a length modifier and cannot be used without a conversion specifier.\n"
"[test.cpp:10]: (warning) 'I' in format string (no. 1) is a length modifier and cannot be used without a conversion specifier.\n", errout.str());
// Unrecognized (and non-existent in standard library) specifiers.
// Perhaps should emit warnings
TEST_SCANF_NOWARN("%jb", "intmax_t", "intmax_t");
TEST_SCANF_NOWARN("%jw", "uintmax_t", "uintmax_t");
TEST_SCANF_NOWARN("%zr", "size_t", "size_t");
TEST_SCANF_NOWARN("%tm", "ptrdiff_t", "ptrdiff_t");
TEST_SCANF_NOWARN("%La", "long double", "long double");
TEST_SCANF_NOWARN("%zv", "std::size_t", "std::size_t");
TEST_SCANF_NOWARN("%tp", "std::ptrdiff_t", "std::ptrdiff_t");
TEST_SCANF_WARN("%u", "unsigned int", "bool");
TEST_SCANF_WARN("%u", "unsigned int", "char");
TEST_SCANF_WARN("%u", "unsigned int", "signed char");
@ -1976,12 +1986,24 @@ private:
" printf(\"%jd %jo\", im, uim);\n"
" printf(\"%zx\", s);\n"
" printf(\"%ti\", p);\n"
" printf(\"%La\", ld);\n"
" printf(\"%Lf\", ld);\n"
" printf(\"%zx\", ss);\n"
" printf(\"%ti\", sp);\n"
"}");
ASSERT_EQUALS("", errout.str());
// Unrecognized (and non-existent in standard library) specifiers.
// Perhaps should emit warnings
check("void foo(intmax_t im, uintmax_t uim, size_t s, ptrdiff_t p, long double ld, std::size_t ss, std::ptrdiff_t sp) {\n"
" printf(\"%jb %jw\", im, uim);\n"
" printf(\"%zr\", s);\n"
" printf(\"%tm\", p);\n"
" printf(\"%La\", ld);\n"
" printf(\"%zv\", ss);\n"
" printf(\"%tp\", sp);\n"
"}");
ASSERT_EQUALS("", errout.str());
check("void foo(long long l, ptrdiff_t p, std::ptrdiff_t sp) {\n"
" printf(\"%td\", p);\n"
" printf(\"%td\", sp);\n"