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/*
* Copyright 2010-2017 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
*/
#include "test.h"
#include <bx/string.h>
TEST_CASE("vsnprintf NULL buffer", "No output buffer provided.")
{
REQUIRE(4 == bx::snprintf(NULL, 0, "test") );
REQUIRE(1 == bx::snprintf(NULL, 0, "%d", 1) );
}
TEST_CASE("vsnprintf truncated", "Truncated output buffer.")
{
char buffer[7];
REQUIRE(10 == bx::snprintf(buffer, BX_COUNTOF(buffer), "Ten chars!") );
REQUIRE(0 == strcmp(buffer, "Ten ch") );
}
static bool test(const char* _expected, const char* _format, ...)
{
int32_t max = (int32_t)strlen(_expected) + 1;
char* temp = (char*)alloca(max);
va_list argList;
va_start(argList, _format);
int32_t len = bx::vsnprintf(temp, max, _format, argList);
va_end(argList);
bool result = true
&& len == max-1
&& 0 == strcmp(_expected, temp)
;
if (!result)
{
printf("result (%d) %s, expected (%d) %s\n", len, temp, max-1, _expected);
}
return result;
}
TEST_CASE("vsnprintf f", "")
{
REQUIRE(test("1.337", "%0.3f", 1.337) );
REQUIRE(test(" 13.370", "%8.3f", 13.37) );
REQUIRE(test(" 13.370", "%*.*f", 8, 3, 13.37) );
REQUIRE(test("13.370 ", "%-8.3f", 13.37) );
REQUIRE(test("13.370 ", "%*.*f", -8, 3, 13.37) );
}
TEST_CASE("vsnprintf d/u/x", "")
{
REQUIRE(test("1337", "%d", 1337) );
REQUIRE(test("1337", "%x", 0x1337) );
}
TEST_CASE("vsnprintf", "")
{
REQUIRE(test("x", "%c", 'x') );
REQUIRE(test("hello, world!", "%s, %s!", "hello", "world") );
}
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