mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/xpcom/tests/gtest/TestTextFormatter.cpp

238 строки
8.4 KiB
C++
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsTextFormatter.h"
#include "nsString.h"
#include "gtest/gtest.h"
TEST(TextFormatter, Tests)
{
nsAutoString fmt(u"%3$s %4$S %1$d %2$d %2$d %3$s"_ns);
char utf8[] = "Hello";
char16_t ucs2[] = {'W', 'o', 'r', 'l', 'd',
0x4e00, 0xAc00, 0xFF45, 0x0103, 0x00};
int d = 3;
char16_t buf[256];
nsTextFormatter::snprintf(buf, 256, fmt.get(), d, 333, utf8, ucs2);
nsAutoString out(buf);
const char16_t* uout = out.get();
const char16_t expected[] = {
0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x57, 0x6F, 0x72, 0x6C, 0x64,
0x4E00, 0xAC00, 0xFF45, 0x0103, 0x20, 0x33, 0x20, 0x33, 0x33, 0x33, 0x20,
0x33, 0x33, 0x33, 0x20, 0x48, 0x65, 0x6C, 0x6C, 0x6F};
for (uint32_t i = 0; i < out.Length(); i++) {
ASSERT_EQ(uout[i], expected[i]);
}
// Test that an unrecognized escape is passed through.
nsString out2;
nsTextFormatter::ssprintf(out2, u"%1m!", 23);
EXPECT_STREQ("%1m!", NS_ConvertUTF16toUTF8(out2).get());
// Treat NULL the same in both %s cases.
nsTextFormatter::ssprintf(out2, u"%s %S", (char*)nullptr, (char16_t*)nullptr);
EXPECT_STREQ("(null) (null)", NS_ConvertUTF16toUTF8(out2).get());
nsTextFormatter::ssprintf(out2, u"%lld", INT64_MIN);
EXPECT_STREQ("-9223372036854775808", NS_ConvertUTF16toUTF8(out2).get());
// Regression test for bug 1401821.
nsTextFormatter::ssprintf(out2, u"%*.f", 0, 23.2);
EXPECT_STREQ("23", NS_ConvertUTF16toUTF8(out2).get());
}
/*
* Check misordered parameters
*/
TEST(TextFormatterOrdering, orders)
{
nsString out;
// plain list
nsTextFormatter::ssprintf(out, u"%S %S %S", u"1", u"2", u"3");
EXPECT_STREQ("1 2 3", NS_ConvertUTF16toUTF8(out).get());
// ordered list
nsTextFormatter::ssprintf(out, u"%2$S %3$S %1$S", u"1", u"2", u"3");
EXPECT_STREQ("2 3 1", NS_ConvertUTF16toUTF8(out).get());
// Mixed ordered list and non-ordered does not work. This shouldn't
// crash (hence the calls to ssprintf) but should fail for for
// snprintf.
nsTextFormatter::ssprintf(out, u"%2S %S %1$S", u"1", u"2", u"3");
nsTextFormatter::ssprintf(out, u"%S %2$S", u"1", u"2");
char16_t buffer[1024]; // plenty big
EXPECT_EQ(nsTextFormatter::snprintf(buffer, sizeof(buffer), u"%2S %S %1$S",
u"1", u"2", u"3"),
uint32_t(-1));
EXPECT_EQ(
nsTextFormatter::snprintf(buffer, sizeof(buffer), u"%S %2$S", u"1", u"2"),
uint32_t(-1));
// Referencing an extra param returns empty strings in release.
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u" %2$S ", u"1");
EXPECT_STREQ(" ", NS_ConvertUTF16toUTF8(out).get());
#endif
// Double referencing existing argument works
nsTextFormatter::ssprintf(out, u"%1$S %1$S", u"1");
EXPECT_STREQ("1 1", NS_ConvertUTF16toUTF8(out).get());
// Dropping trailing argument works
nsTextFormatter::ssprintf(out, u" %1$S ", u"1", u"2");
EXPECT_STREQ(" 1 ", NS_ConvertUTF16toUTF8(out).get());
// Dropping leading arguments works
nsTextFormatter::ssprintf(out, u" %2$S ", u"1", u"2");
EXPECT_STREQ(" 2 ", NS_ConvertUTF16toUTF8(out).get());
// Dropping middle arguments works
nsTextFormatter::ssprintf(out, u" %3$S %1$S ", u"1", u"2", u"3");
EXPECT_STREQ(" 3 1 ", NS_ConvertUTF16toUTF8(out).get());
}
/*
* Tests to validate that horrible things don't happen if the passed-in
* variable and the formatter don't match.
*/
TEST(TextFormatterTestMismatch, format_d)
{
nsString out;
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%d", int(-1));
EXPECT_STREQ("-1", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%d", uint32_t(-1));
EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%d", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%d", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%d", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}
TEST(TextFormatterTestMismatch, format_u)
{
nsString out;
nsTextFormatter::ssprintf(out, u"%u", int(-1));
EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%u", uint32_t(-1));
EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%u", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%u", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%u", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}
TEST(TextFormatterTestMismatch, format_x)
{
nsString out;
nsTextFormatter::ssprintf(out, u"%x", int32_t(-1));
EXPECT_STREQ("ffffffff", NS_ConvertUTF16toUTF8(out).get());
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%x", uint32_t(-1));
EXPECT_STREQ("ffffffff", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%x", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%x", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%x", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}
TEST(TextFormatterTestMismatch, format_s)
{
nsString out;
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%s", int(-1));
EXPECT_STREQ("-1", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%s", uint32_t(-1));
EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%s", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
#endif
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%s", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%s", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
}
TEST(TextFormatterTestMismatch, format_S)
{
nsString out;
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%S", int32_t(-1));
EXPECT_STREQ("-1", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%S", uint32_t(-1));
EXPECT_STREQ("4294967295", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%S", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%S", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%S", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
}
TEST(TextFormatterTestMismatch, format_c)
{
nsString out;
nsTextFormatter::ssprintf(out, u"%c", int32_t(-1));
EXPECT_EQ(1u, out.Length());
EXPECT_EQ((uint16_t)-1, out.CharAt(0)); // not useful for humans :-/
nsTextFormatter::ssprintf(out, u"%c", uint32_t(-1));
EXPECT_EQ(1u, out.Length());
EXPECT_EQ((uint16_t)-1, out.CharAt(0)); // not useful for humans :-/
#ifndef DEBUG
nsTextFormatter::ssprintf(out, u"%c", float(3.5));
EXPECT_STREQ("3.5", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%c", "foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
nsTextFormatter::ssprintf(out, u"%c", u"foo");
EXPECT_STREQ("foo", NS_ConvertUTF16toUTF8(out).get());
#endif
// just for completeness, this is our format, and works
nsTextFormatter::ssprintf(out, u"%c", 'c');
EXPECT_EQ(1u, out.Length());
EXPECT_EQ(u'c', out.CharAt(0));
nsTextFormatter::ssprintf(out, u"%c", u'c');
EXPECT_EQ(1u, out.Length());
EXPECT_EQ(u'c', out.CharAt(0));
}
TEST(TextFormatterTestResults, Tests)
{
char16_t buf[10];
EXPECT_EQ(
nsTextFormatter::snprintf(buf, 10, u"%s", "more than 10 characters"), 9u);
EXPECT_EQ(buf[9], '\0');
EXPECT_STREQ("more than", NS_ConvertUTF16toUTF8(buf).get());
nsString out;
nsTextFormatter::ssprintf(out, u"%s", "more than 10 characters");
// The \0 isn't written here.
EXPECT_EQ(out.Length(), 23u);
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку