forked from 0ad/0ad
Ykkrosh
a265a441fd
* vsnprintf2: Made compatible between GCC and MSVC - it now always null-terminates the buffer, and returns -1 on overflow. Fixes #158. Added tests. * MeshManager: Use shared_ptr.expired() instead of checking for bad_weak_ptr exception. * Xeromyces: Added tests for GetXMBPath, because it does unusual things in sscanf which MSVC's /analyze complains about. * ConfigDB, ScriptGlue: Replaced some asserts with return-on-failure, to avoid invalid array accesses when continuing after the assert (as complained about by /analyze). * CStr: Removed "using namespace std". Added tests for handling of invalid UTF-8. This was SVN commit r4625.
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
#include "lib/lib.h"
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#include "lib/self_test.h"
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class TestPrintf : public CxxTest::TestSuite
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{
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// Split some bits into separate functions, so we can get
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// a legitimate va_list to pass to vsnprintf2:
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void _test_truncate(int buffer_size, char* expected_output, int expected_return, /* char* input_string */...)
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{
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char buf[17] = "................"; // fill with dots so null-termination is made obvious
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va_list ap;
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va_start(ap, expected_return);
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int ret = vsnprintf2(buf, buffer_size, "%s", ap);
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TS_ASSERT_STR_EQUALS(buf, expected_output);
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TS_ASSERT_EQUALS(ret, expected_return);
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std::string past_buffer (buf + buffer_size);
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TS_ASSERT(past_buffer.find_first_not_of('.') == past_buffer.npos);
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va_end(ap);
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}
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void _test_sprintf(char* expected_output, char* format, ...)
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{
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char buf[256];
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va_list ap;
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va_start(ap, format);
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vsnprintf2(buf, sizeof(buf), format, ap);
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TS_ASSERT_STR_EQUALS(buf, expected_output);
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va_end(ap);
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}
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public:
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void test_truncate()
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{
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_test_truncate(8, "1234", 4, "1234");
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_test_truncate(8, "1234567", 7, "1234567");
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_test_truncate(8, "1234567", -1, "12345678");
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_test_truncate(8, "1234567", -1, "123456789");
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_test_truncate(8, "1234567", -1, "123456789abcdef");
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}
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void test_lld()
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{
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i64 z = 0;
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i64 n = 65536;
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_test_sprintf("0", "%lld", z);
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_test_sprintf("65536", "%lld", n);
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_test_sprintf("4294967296", "%lld", n*n);
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_test_sprintf("281474976710656", "%lld", n*n*n);
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_test_sprintf("-281474976710656", "%lld", -n*n*n);
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_test_sprintf("123 456 281474976710656 789", "%d %d %lld %d", 123, 456, n*n*n, 789);
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}
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void test_pos()
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{
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_test_sprintf("a b", "%1$c %2$c", 'a', 'b');
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_test_sprintf("b a", "%2$c %1$c", 'a', 'b');
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}
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void test_pos_lld()
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{
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_test_sprintf("1 2 3", "%1$d %2$lld %3$d", 1, (i64)2, 3);
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_test_sprintf("2 1 3", "%2$lld %1$d %3$d", 1, (i64)2, 3);
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}
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};
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