зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
1.9 KiB
C++
87 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "nsCRT.h"
|
|
#include "nsString.h"
|
|
#include "plstr.h"
|
|
#include <stdlib.h>
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace TestCRT {
|
|
|
|
// The return from strcmp etc is only defined to be postive, zero or
|
|
// negative. The magnitude of a non-zero return is irrelevant.
|
|
int sign(int val) {
|
|
if (val == 0) {
|
|
return 0;
|
|
} else {
|
|
if (val > 0) {
|
|
return 1;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Verify that nsCRT versions of string comparison routines get the
|
|
// same answers as the native non-unicode versions. We only pass in
|
|
// iso-latin-1 strings, so the comparison must be valid.
|
|
static void Check(const char* s1, const char* s2, int n)
|
|
{
|
|
int clib = PL_strcmp(s1, s2);
|
|
|
|
int clib_n = PL_strncmp(s1, s2, n);
|
|
|
|
nsAutoString t1,t2;
|
|
CopyASCIItoUTF16(s1, t1);
|
|
CopyASCIItoUTF16(s2, t2);
|
|
const char16_t* us1 = t1.get();
|
|
const char16_t* us2 = t2.get();
|
|
|
|
int u2 = nsCRT::strcmp(us1, us2);
|
|
|
|
int u2_n = nsCRT::strncmp(us1, us2, n);
|
|
|
|
EXPECT_EQ(sign(clib), sign(u2));
|
|
EXPECT_EQ(sign(clib), sign(u2_n));
|
|
EXPECT_EQ(sign(clib), sign(clib_n));
|
|
}
|
|
|
|
struct Test {
|
|
const char* s1;
|
|
const char* s2;
|
|
int n;
|
|
};
|
|
|
|
static Test tests[] = {
|
|
{ "foo", "foo", 3 },
|
|
{ "foo", "fo", 3 },
|
|
|
|
{ "foo", "bar", 3 },
|
|
{ "foo", "ba", 3 },
|
|
|
|
{ "foo", "zap", 3 },
|
|
{ "foo", "za", 3 },
|
|
|
|
{ "bar", "foo", 3 },
|
|
{ "bar", "fo", 3 },
|
|
|
|
{ "bar", "foo", 3 },
|
|
{ "bar", "fo", 3 },
|
|
};
|
|
#define NUM_TESTS int((sizeof(tests) / sizeof(tests[0])))
|
|
|
|
TEST(CRT, main)
|
|
{
|
|
TestCRT::Test* tp = tests;
|
|
for (int i = 0; i < NUM_TESTS; i++, tp++) {
|
|
Check(tp->s1, tp->s2, tp->n);
|
|
}
|
|
}
|
|
|
|
} // namespace TestCRT
|