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/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/IntegerPrintfMacros.h"
#include "mozilla/Printf.h"
#include <cfloat>
#include <stdarg.h>
// A simple implementation of PrintfTarget, just for testing
// PrintfTarget::print.
class TestPrintfTarget : public mozilla::PrintfTarget {
public:
static const char* test_string;
TestPrintfTarget() : mOut(0) { memset(mBuffer, '\0', sizeof(mBuffer)); }
~TestPrintfTarget() {
MOZ_RELEASE_ASSERT(mOut == strlen(test_string));
MOZ_RELEASE_ASSERT(strncmp(mBuffer, test_string, strlen(test_string)) == 0);
}
bool append(const char* sp, size_t len) override {
if (mOut + len < sizeof(mBuffer)) {
memcpy(&mBuffer[mOut], sp, len);
}
mOut += len;
return true;
}
private:
char mBuffer[100];
size_t mOut;
};
const char* TestPrintfTarget::test_string = "test string";
static void TestPrintfTargetPrint() {
TestPrintfTarget checker;
checker.print("test string");
}
static bool MOZ_FORMAT_PRINTF(2, 3)
print_one(const char* expect, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
mozilla::SmprintfPointer output = mozilla::Vsmprintf(fmt, ap);
va_end(ap);
return output && !strcmp(output.get(), expect);
}
static const char* zero() { return nullptr; }
static void TestPrintfFormats() {
MOZ_RELEASE_ASSERT(print_one("0", "%d", 0));
MOZ_RELEASE_ASSERT(print_one("23", "%d", 23));
MOZ_RELEASE_ASSERT(print_one("+23", "%+d", 23));
MOZ_RELEASE_ASSERT(print_one("-23", "%+d", -23));
MOZ_RELEASE_ASSERT(print_one("0023", "%04d", 23));
MOZ_RELEASE_ASSERT(print_one("777777", "%04d", 777777));
MOZ_RELEASE_ASSERT(print_one(" 23", "% 4d", 23));
MOZ_RELEASE_ASSERT(print_one("23 ", "%-4d", 23));
MOZ_RELEASE_ASSERT(print_one(" 23", "%*d", 4, 23));
MOZ_RELEASE_ASSERT(print_one("-23 ", "%*d", -7, -23));
MOZ_RELEASE_ASSERT(print_one(" 077", "%5.3d", 77));
MOZ_RELEASE_ASSERT(print_one(" 077", "%5.*d", 3, 77));
MOZ_RELEASE_ASSERT(print_one(" 077", "%*.*d", 5, 3, 77));
MOZ_RELEASE_ASSERT(print_one("077 ", "%*.*d", -5, 3, 77));
MOZ_RELEASE_ASSERT(print_one("77 ", "%*.*d", -5, -3, 77));
MOZ_RELEASE_ASSERT(print_one("-1", "%d", -1));
MOZ_RELEASE_ASSERT(print_one("23", "%u", 23u));
MOZ_RELEASE_ASSERT(print_one("0x17", "0x%x", 23u));
MOZ_RELEASE_ASSERT(print_one("0xFF", "0x%X", 255u));
MOZ_RELEASE_ASSERT(print_one("027", "0%o", 23u));
MOZ_RELEASE_ASSERT(print_one("-1", "%hd", (short)-1));
// A funny special case.
MOZ_RELEASE_ASSERT(print_one("", "%.*d", 0, 0));
// This could be expanded if need be, it's just convenient to do
// it this way.
if (sizeof(short) == 2) {
MOZ_RELEASE_ASSERT(print_one("8000", "%hx", (unsigned short)0x8000));
}
MOZ_RELEASE_ASSERT(print_one("2305", "%ld", 2305l));
MOZ_RELEASE_ASSERT(print_one("-2305", "%ld", -2305l));
MOZ_RELEASE_ASSERT(print_one("0xf0f0", "0x%lx", 0xf0f0ul));
MOZ_RELEASE_ASSERT(print_one("0", "%lld", 0ll));
MOZ_RELEASE_ASSERT(print_one("2305", "%lld", 2305ll));
MOZ_RELEASE_ASSERT(print_one("-2305", "%lld", -2305ll));
// A funny special case.
MOZ_RELEASE_ASSERT(print_one("", "%.*lld", 0, 0ll));
MOZ_RELEASE_ASSERT(print_one("0xF0F0", "0x%llX", 0xf0f0ull));
MOZ_RELEASE_ASSERT(print_one("27270", "%zu", (size_t)27270));
MOZ_RELEASE_ASSERT(print_one("27270", "%zu", (size_t)27270));
MOZ_RELEASE_ASSERT(print_one("hello", "he%so", "ll"));
MOZ_RELEASE_ASSERT(print_one("hello ", "%-8s", "hello"));
MOZ_RELEASE_ASSERT(print_one(" hello", "%8s", "hello"));
MOZ_RELEASE_ASSERT(print_one("hello ", "%*s", -8, "hello"));
MOZ_RELEASE_ASSERT(print_one("hello", "%.*s", 5, "hello there"));
MOZ_RELEASE_ASSERT(print_one("", "%.*s", 0, "hello there"));
MOZ_RELEASE_ASSERT(print_one("%%", "%%%%"));
MOZ_RELEASE_ASSERT(print_one("0", "%p", (char*)0));
MOZ_RELEASE_ASSERT(print_one("h", "%c", 'h'));
MOZ_RELEASE_ASSERT(print_one("1.500000", "%f", 1.5f));
MOZ_RELEASE_ASSERT(print_one("1.5", "%g", 1.5));
MOZ_RELEASE_ASSERT(print_one("1.50000", "%.5f", 1.5));
MOZ_RELEASE_ASSERT(print_one("z ", "%-7s", "z"));
MOZ_RELEASE_ASSERT(print_one("z ", "%*s", -7, "z"));
MOZ_RELEASE_ASSERT(print_one("hello", "%*s", -3, "hello"));
MOZ_RELEASE_ASSERT(print_one(" q", "%3c", 'q'));
MOZ_RELEASE_ASSERT(print_one("q ", "%-3c", 'q'));
MOZ_RELEASE_ASSERT(print_one(" q", "%*c", 3, 'q'));
MOZ_RELEASE_ASSERT(print_one("q ", "%*c", -3, 'q'));
// Regression test for bug#1350097. The bug was an assertion
// failure caused by printing a very long floating point value.
print_one("ignore", "%lf", DBL_MAX);
// Regression test for bug#1517433. The bug was an assertion
// failure caused by printing a floating point value with a large
// precision and/or width.
print_one("ignore", "%500.500lf", DBL_MAX);
MOZ_RELEASE_ASSERT(print_one("2727", "%" PRIu32, (uint32_t)2727));
MOZ_RELEASE_ASSERT(print_one("aa7", "%" PRIx32, (uint32_t)2727));
MOZ_RELEASE_ASSERT(print_one("2727", "%" PRIu64, (uint64_t)2727));
MOZ_RELEASE_ASSERT(print_one("aa7", "%" PRIx64, (uint64_t)2727));
int n1, n2;
MOZ_RELEASE_ASSERT(print_one(" hi ", "%n hi %n", &n1, &n2));
MOZ_RELEASE_ASSERT(n1 == 0);
MOZ_RELEASE_ASSERT(n2 == 4);
MOZ_RELEASE_ASSERT(print_one("23 % 24", "%2$ld %% %1$d", 24, 23l));
MOZ_RELEASE_ASSERT(
print_one("7 8 9 10", "%4$lld %3$ld %2$d %1$hd", (short)10, 9, 8l, 7ll));
MOZ_RELEASE_ASSERT(print_one("0 ", "%2$p %1$n", &n1, zero()));
MOZ_RELEASE_ASSERT(n1 == 2);
MOZ_RELEASE_ASSERT(print_one("23 % 024", "%2$-3ld%%%1$4.3d", 24, 23l));
MOZ_RELEASE_ASSERT(print_one("23 1.5", "%2$d %1$g", 1.5, 23));
MOZ_RELEASE_ASSERT(
print_one("ff number FF", "%3$llx %1$s %2$lX", "number", 255ul, 255ull));
MOZ_RELEASE_ASSERT(
print_one("7799 9977", "%2$zu %1$zu", (size_t)9977, (size_t)7799));
}
#if defined(XP_WIN)
int wmain()
#else
int main()
#endif // defined(XP_WIN)
{
TestPrintfFormats();
TestPrintfTargetPrint();
return 0;
}
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