/* * Copyright 2010-2018 Branimir Karadzic. All rights reserved. * License: https://github.com/bkaradzic/bx#license-bsd-2-clause */ #include "test.h" #include #include #include 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 == bx::strCmp(buffer, "Ten ch") ); } static bool test(const char* _expected, const char* _format, ...) { int32_t max = (int32_t)bx::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 == bx::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) ); REQUIRE(test("nan ", "%-8f", std::numeric_limits::quiet_NaN() ) ); REQUIRE(test(" nan", "%8f", std::numeric_limits::quiet_NaN() ) ); #if !BX_CRT_MSVC // BK - VS2015 CRT vsnprintf returns '-NAN(IND'. # if BX_CRT_LIBCXX // BK - Clang LibC vsnprintf returns 'NAN '. REQUIRE(test("NAN ", "%-8F", -std::numeric_limits::quiet_NaN() ) ); # else REQUIRE(test("-NAN ", "%-8F", -std::numeric_limits::quiet_NaN() ) ); # endif // BX_CRT_LIBCXX #endif // !BX_CRT_MSVC REQUIRE(test(" inf", "%8f", std::numeric_limits::infinity() ) ); REQUIRE(test("inf ", "%-8f", std::numeric_limits::infinity() ) ); REQUIRE(test(" -INF", "%8F", -std::numeric_limits::infinity() ) ); } TEST_CASE("vsnprintf d/i/o/u/x", "") { REQUIRE(test("1337", "%d", 1337) ); REQUIRE(test("1337 ", "%-20d", 1337) ); REQUIRE(test("-1337 ", "%-20d", -1337) ); REQUIRE(test("1337", "%i", 1337) ); REQUIRE(test("1337 ", "%-20i", 1337) ); REQUIRE(test("-1337 ", "%-20i", -1337) ); REQUIRE(test("1337", "%o", 01337) ); REQUIRE(test("2471", "%o", 1337) ); REQUIRE(test("1337 ", "%-20o", 01337) ); REQUIRE(test("37777776441 ", "%-20o", -01337) ); REQUIRE(test("1337", "%u", 1337) ); REQUIRE(test("1337 ", "%-20u", 1337) ); REQUIRE(test("4294965959 ", "%-20u", -1337) ); REQUIRE(test("1337", "%x", 0x1337) ); REQUIRE(test("1234abcd ", "%-20x", 0x1234abcd) ); REQUIRE(test("1234ABCD ", "%-20X", 0x1234abcd) ); REQUIRE(test("edcb5433 ", "%-20x", -0x1234abcd) ); REQUIRE(test("EDCB5433 ", "%-20X", -0x1234abcd) ); REQUIRE(test("0000000000001234abcd", "%020x", 0x1234abcd) ); REQUIRE(test("0000000000001234ABCD", "%020X", 0x1234abcd) ); REQUIRE(test("000000000000edcb5433", "%020x", -0x1234abcd) ); REQUIRE(test("000000000000EDCB5433", "%020X", -0x1234abcd) ); #if !BX_CRT_MSVC // BK - VS2015 CRT vsnprintf doesn't support 'j' length sub-specifier? if (BX_ENABLED(BX_ARCH_32BIT) ) { REQUIRE(test("2147483647", "%jd", INTMAX_MAX) ); } else { REQUIRE(test("9223372036854775807", "%jd", INTMAX_MAX) ); } #endif // !BX_CRT_MSVC REQUIRE(test("18446744073709551615", "%" PRIu64, UINT64_MAX) ); REQUIRE(test("ffffffffffffffff", "%016" PRIx64, UINT64_MAX) ); } TEST_CASE("vsnprintf modifiers", "") { REQUIRE(test("| 1.000000|", "|%10f|", 1.0f) ); REQUIRE(test("|1.000000 |", "|%-10f|", 1.0f) ); REQUIRE(test("|001.000000|", "|%010f|", 1.0f) ); REQUIRE(test("|0000000001|", "|%010.0f|", 1.0f) ); REQUIRE(test("|000000001.|", "|%#010.0f|", 1.0f) ); REQUIRE(test("| 1|", "|%10.0f|", 1.0f) ); REQUIRE(test("| 1.|", "|%#10.0f|", 1.0f) ); REQUIRE(test("| +1.|", "|%#+10.0f|", 1.0f) ); REQUIRE(test("|1 |", "|%-10.0f|", 1.0f) ); REQUIRE(test("|1. |", "|%#-10.0f|", 1.0f) ); REQUIRE(test("|+1. |", "|%+#-10.0f|", 1.0f) ); } TEST_CASE("vsnprintf p", "") { #if BX_CRT_MSVC // BK - VS2015 CRT vsnprintf has different output for 'p' pointer specifier. REQUIRE(test("0BADC0DE", "%p", (void*)0xbadc0de)); REQUIRE(test("0BADC0DE ", "%-20p", (void*)0xbadc0de)); #else REQUIRE(test("0xbadc0de", "%p", (void*)0xbadc0de) ); REQUIRE(test("0xbadc0de ", "%-20p", (void*)0xbadc0de) ); #endif // BX_CRT_MSVC } TEST_CASE("vsnprintf s", "") { REQUIRE(test("(null)", "%s", NULL) ); } TEST_CASE("vsnprintf g", "") { REQUIRE(test(" 0.01", "%7.3g", .01) ); REQUIRE(test(" 0.0123", "%7.3G", .0123) ); REQUIRE(test("1.23e+05", "%.3g", 123000.25) ); REQUIRE(test("1e+05", "%.0g", 123000.25) ); } TEST_CASE("vsnprintf", "") { REQUIRE(test("x", "%c", 'x') ); REQUIRE(test("x ", "%-20c", 'x') ); REQUIRE(test("hello ", "%-20s", "hello") ); REQUIRE(test("hello, world!", "%s, %s!", "hello", "world") ); }