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Added vsnprintf test against standard compliant implementation.

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Бранимир Караџић
2024-10-24 21:09:18 -07:00
parent c875164bd1
commit ce6de42aad
1 changed files with 121 additions and 82 deletions
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197
tests/vsnprintf_test.cpp
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@@ -47,34 +47,73 @@ TEST_CASE("Truncated output buffer.", "[string][printf]")
REQUIRE(0 == bx::strCmp(buffer7, "SevenE") );
}
static bool test(const char* _expected, const char* _format, ...)
template<bool StdCompliantT>
static bool test(const char* _expected, const char* _format, va_list _argList)
{
int32_t max = (int32_t)bx::strLen(_expected) + 1;
char* temp = (char*)alloca(max);
char* bxTemp = (char*)alloca(max);
va_list argList;
va_start(argList, _format);
int32_t len = bx::vsnprintf(temp, max, _format, argList);
va_end(argList);
va_copy(argList, _argList);
const int32_t bxLen = bx::vsnprintf(bxTemp, max, _format, argList);
bool result = true
&& len == max-1
&& 0 == bx::strCmp(_expected, temp)
&& bxLen == max-1
&& 0 == bx::strCmp(_expected, bxTemp)
;
char* crtTemp = NULL;
int32_t crtLen = 0;
if (!result
|| StdCompliantT)
{
BX_ASSERT(bx::strFind(_format, "%S").isEmpty()
, "String format test is using '%%S' bx::StringView specific format specifier which is not standard compliant. "
"Use `testNotStdCompliant` string testing method."
);
crtTemp = (char*)alloca(max);
va_copy(argList, _argList);
crtLen = ::vsnprintf(crtTemp, max, _format, argList);
result &= true
&& crtLen == bxLen
&& 0 == bx::strCmp(bx::StringView(bxTemp, bxLen), bx::StringView(crtTemp, crtLen) )
;
}
if (!result)
{
printf("---\n");
printf("printf format '%s'\n", _format);
printf(" result (%4d) '%s'\n", len, temp);
printf(" result (%4d) '%s'\n", bxLen, bxTemp);
printf(" expected (%4d) '%s'\n", max-1, _expected);
printf("CRT vsnprintf (%4d) '%s'\n", crtLen, crtTemp);
}
return result;
}
// Test against CRT's vsnprintf implementation.
static bool test(const char* _expected, const char* _format, ...)
{
va_list argList;
va_start(argList, _format);
len = ::vsnprintf(temp, max, _format, argList);
const bool result = test<true>(_expected, _format, argList);
va_end(argList);
printf("CRT vsnprintf (%d) '%s'\n", len, temp);
}
return result;
}
// Skip test against CRT's vsnprintf implementation.
static bool testNotStdCompliant(const char* _expected, const char* _format, ...)
{
va_list argList;
va_start(argList, _format);
const bool result = test<false>(_expected, _format, argList);
va_end(argList);
return result;
}
@@ -103,63 +142,63 @@ TEST_CASE("Format %f", "[string][printf]")
REQUIRE(test("0.0039", "%.4f", 0.00390625) );
REQUIRE(test("0.003906", "%f", 0.00390625) );
REQUIRE(test("-1.234567e-9", "%f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.234567e-9", "%f", -1.234567e-9) );
REQUIRE(test("-1e-9", "%.0f", -1.234567e-9) );
REQUIRE(test("-1.2e-9", "%.1f", -1.234567e-9) );
REQUIRE(test("-1.23e-9", "%.2f", -1.234567e-9) );
REQUIRE(test("-1.234e-9", "%.3f", -1.234567e-9) );
REQUIRE(test("-1.2345e-9", "%.4f", -1.234567e-9) );
REQUIRE(test("-1.23456e-9", "%.5f", -1.234567e-9) );
REQUIRE(test("-1.234567e-9", "%.6f", -1.234567e-9) );
REQUIRE(test("-1.2345670e-9", "%.7f", -1.234567e-9) );
REQUIRE(test("-1.23456700e-9", "%.8f", -1.234567e-9) );
REQUIRE(test("-1.234567000e-9", "%.9f", -1.234567e-9) );
REQUIRE(test("-1.2345670000e-9", "%.10f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1e-9", "%.0f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.2e-9", "%.1f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.23e-9", "%.2f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.234e-9", "%.3f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.2345e-9", "%.4f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.23456e-9", "%.5f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.234567e-9", "%.6f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.2345670e-9", "%.7f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.23456700e-9", "%.8f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.234567000e-9", "%.9f", -1.234567e-9) );
REQUIRE(testNotStdCompliant("-1.2345670000e-9", "%.10f", -1.234567e-9) );
REQUIRE(test("3.141592", "%f", 3.1415926535897932) );
REQUIRE(test("3.141592", "%F", 3.1415926535897932) );
REQUIRE(test("3", "%.0f", 3.1415926535897932) );
REQUIRE(test("3.1", "%.1f", 3.1415926535897932) );
REQUIRE(test("3.14", "%.2f", 3.1415926535897932) );
REQUIRE(test("3.141", "%.3f", 3.1415926535897932) );
REQUIRE(test("3.1415", "%.4f", 3.1415926535897932) );
REQUIRE(test("3.14159", "%.5f", 3.1415926535897932) );
REQUIRE(test("3.141592", "%.6f", 3.1415926535897932) );
REQUIRE(test("3.1415926", "%.7f", 3.1415926535897932) );
REQUIRE(test("3.14159265", "%.8f", 3.1415926535897932) );
REQUIRE(test("3.141592653", "%.9f", 3.1415926535897932) );
REQUIRE(test("3.1415926535", "%.10f", 3.1415926535897932) );
REQUIRE(test("3.14159265358", "%.11f", 3.1415926535897932) );
REQUIRE(test("3.141592653589", "%.12f", 3.1415926535897932) );
REQUIRE(test("3.1415926535897", "%.13f", 3.1415926535897932) );
REQUIRE(test("3.14159265358979", "%.14f", 3.1415926535897932) );
REQUIRE(test("3.141592653589793", "%.15f", 3.1415926535897932) );
REQUIRE(test("3.1415926535897930", "%.16f", 3.1415926535897932) );
REQUIRE(test("3.1415926535897930", "%.16F", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592", "%f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592", "%F", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3", "%.0f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1", "%.1f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.14", "%.2f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141", "%.3f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415", "%.4f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.14159", "%.5f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592", "%.6f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415926", "%.7f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.14159265", "%.8f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592653", "%.9f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415926535", "%.10f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.14159265358", "%.11f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592653589", "%.12f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415926535897", "%.13f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.14159265358979", "%.14f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.141592653589793", "%.15f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415926535897930", "%.16f", 3.1415926535897932) );
REQUIRE(testNotStdCompliant("3.1415926535897930", "%.16F", 3.1415926535897932) );
REQUIRE(test("-3.141592e-9", "%f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141592E-9", "%F", -3.1415926535897932e-9) );
REQUIRE(test("-3e-9", "%.0f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1e-9", "%.1f", -3.1415926535897932e-9) );
REQUIRE(test("-3.14e-9", "%.2f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141e-9", "%.3f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415e-9", "%.4f", -3.1415926535897932e-9) );
REQUIRE(test("-3.14159e-9", "%.5f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141592e-9", "%.6f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415926e-9", "%.7f", -3.1415926535897932e-9) );
REQUIRE(test("-3.14159265e-9", "%.8f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141592653e-9", "%.9f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415926535e-9", "%.10f", -3.1415926535897932e-9) );
REQUIRE(test("-3.14159265358e-9", "%.11f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141592653589e-9", "%.12f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415926535897e-9", "%.13f", -3.1415926535897932e-9) );
REQUIRE(test("-3.14159265358979e-9", "%.14f", -3.1415926535897932e-9) );
REQUIRE(test("-3.141592653589793e-9", "%.15f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415926535897930e-9", "%.16f", -3.1415926535897932e-9) );
REQUIRE(test("-3.1415926535897930E-9", "%.16F", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592e-9", "%f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592E-9", "%F", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3e-9", "%.0f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1e-9", "%.1f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.14e-9", "%.2f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141e-9", "%.3f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415e-9", "%.4f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.14159e-9", "%.5f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592e-9", "%.6f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415926e-9", "%.7f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.14159265e-9", "%.8f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592653e-9", "%.9f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415926535e-9", "%.10f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.14159265358e-9", "%.11f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592653589e-9", "%.12f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415926535897e-9", "%.13f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.14159265358979e-9", "%.14f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.141592653589793e-9", "%.15f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415926535897930e-9", "%.16f", -3.1415926535897932e-9) );
REQUIRE(testNotStdCompliant("-3.1415926535897930E-9", "%.16F", -3.1415926535897932e-9) );
REQUIRE(test("1e-12", "%f", 1e-12));
REQUIRE(testNotStdCompliant("1e-12", "%f", 1e-12));
REQUIRE(test("0.00390625", "%.8f", 0.00390625) );
REQUIRE(test("-0.00390625", "%.8f", -0.00390625) );
@@ -201,14 +240,14 @@ TEST_CASE("Format %d, %i, %o, %u, %x", "[string][printf]")
REQUIRE(test("000000000000edcb5433", "%020x", -0x1234abcd) );
REQUIRE(test("000000000000EDCB5433", "%020X", -0x1234abcd) );
REQUIRE(test("0xf", "0x%01x", -1) );
REQUIRE(test("0xff", "0x%02x", -1) );
REQUIRE(test("0xfff", "0x%03x", -1) );
REQUIRE(test("0xffff", "0x%04x", -1) );
REQUIRE(test("0xfffff", "0x%05x", -1) );
REQUIRE(test("0xffffff", "0x%06x", -1) );
REQUIRE(test("0xfffffff", "0x%07x", -1) );
REQUIRE(test("0xffffffff", "0x%08x", -1) );
REQUIRE(testNotStdCompliant("0xf", "0x%01x", -1) );
REQUIRE(testNotStdCompliant("0xff", "0x%02x", -1) );
REQUIRE(testNotStdCompliant("0xfff", "0x%03x", -1) );
REQUIRE(testNotStdCompliant("0xffff", "0x%04x", -1) );
REQUIRE(testNotStdCompliant("0xfffff", "0x%05x", -1) );
REQUIRE(testNotStdCompliant("0xffffff", "0x%06x", -1) );
REQUIRE(testNotStdCompliant("0xfffffff", "0x%07x", -1) );
REQUIRE(testNotStdCompliant("0xffffffff", "0x%08x", -1) );
REQUIRE(test(" -1", "% 4i", -1) );
REQUIRE(test(" -1", "% 4i", -1) );
@@ -216,7 +255,7 @@ TEST_CASE("Format %d, %i, %o, %u, %x", "[string][printf]")
REQUIRE(test(" 1", "% 4i", 1) );
REQUIRE(test(" 1", "% 4o", 1) );
REQUIRE(test(" +1", "%+4i", 1) );
REQUIRE(test(" +1", "%+4o", 1) );
REQUIRE(testNotStdCompliant(" +1", "%+4o", 1) );
REQUIRE(test(" +0", "%+4i", 0) );
REQUIRE(test(" -1", "%+4i", -1) );
REQUIRE(test("0001", "%04i", 1) );
@@ -308,11 +347,11 @@ TEST_CASE("Format %c, %s, %S", "[string][printf]")
REQUIRE(test("hello ", "%-20s", "hello") );
REQUIRE(test("hello, world!", "%s, %s!", "hello", "world") );
REQUIRE(test("h", "%1s", "hello") );
REQUIRE(test("he", "%2s", "hello") );
REQUIRE(test("hel", "%3s", "hello") );
REQUIRE(test("hell", "%4s", "hello") );
REQUIRE(test("hello", "%5s", "hello") );
REQUIRE(testNotStdCompliant("h", "%1s", "hello") );
REQUIRE(testNotStdCompliant("he", "%2s", "hello") );
REQUIRE(testNotStdCompliant("hel", "%3s", "hello") );
REQUIRE(testNotStdCompliant("hell", "%4s", "hello") );
REQUIRE(testNotStdCompliant("hello", "%5s", "hello") );
bx::StringView str("0hello1world2");
bx::StringView hello(str, 1, 5);
@@ -322,7 +361,7 @@ TEST_CASE("Format %c, %s, %S", "[string][printf]")
, world.getLength(), world.getPtr()
) );
REQUIRE(test("hello, world!", "%S, %S!"
REQUIRE(testNotStdCompliant("hello, world!", "%S, %S!"
, &hello
, &world
) );