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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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100
gfx/tests/gtest/TestColorNames.cpp Normal file
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/* -*- Mode: C++; tab-width: 2; 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 "gtest/gtest.h"
#include <string.h>
#include "nsColor.h"
#include "nsColorNames.h"
#include "mozilla/Sprintf.h"
#include "nsString.h"
#include "mozilla/ArrayUtils.h"
// define an array of all color names
#define GFX_COLOR(_name, _value) #_name,
static const char* const kColorNames[] = {
#include "nsColorNameList.h"
};
#undef GFX_COLOR
// define an array of all color name values
#define GFX_COLOR(_name, _value) _value,
static const nscolor kColors[] = {
#include "nsColorNameList.h"
};
#undef GFX_COLOR
using namespace mozilla;
static const char* kJunkNames[] = {
nullptr,
"",
"123",
"backgroundz",
"zzzzzz",
"#@$&@#*@*$@$#"
};
static
void RunColorTests() {
nscolor rgb;
// First make sure we can find all of the tags that are supposed to
// be in the table. Futz with the case to make sure any case will
// work
for (uint32_t index = 0 ; index < ArrayLength(kColorNames); index++) {
// Lookup color by name and make sure it has the right id
nsCString tagName(kColorNames[index]);
// Check that color lookup by name gets the right rgb value
ASSERT_TRUE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) <<
"can't find '" << tagName.get() << "'";
ASSERT_TRUE((rgb == kColors[index])) <<
"failed at index " << index << " out of " << ArrayLength(kColorNames);
// fiddle with the case to make sure we can still find it
tagName.SetCharAt(tagName.CharAt(0) - 32, 0);
ASSERT_TRUE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) <<
"can't find '" << tagName.get() << "'";
ASSERT_TRUE((rgb == kColors[index])) <<
"failed at index " << index << " out of " << ArrayLength(kColorNames);
// Check that parsing an RGB value in hex gets the right values
uint8_t r = NS_GET_R(rgb);
uint8_t g = NS_GET_G(rgb);
uint8_t b = NS_GET_B(rgb);
uint8_t a = NS_GET_A(rgb);
char cbuf[50];
if (a != UINT8_MAX) {
SprintfLiteral(cbuf, "%02x%02x%02x%02x", r, g, b, a);
} else {
SprintfLiteral(cbuf, "%02x%02x%02x", r, g, b);
}
nscolor hexrgb;
ASSERT_TRUE(NS_HexToRGBA(NS_ConvertASCIItoUTF16(cbuf),
nsHexColorType::AllowAlpha, &hexrgb)) <<
"hex conversion to color of '" << cbuf << "'";
ASSERT_TRUE(hexrgb == rgb);
}
}
static
void RunJunkColorTests() {
nscolor rgb;
// Now make sure we don't find some garbage
for (uint32_t i = 0; i < ArrayLength(kJunkNames); i++) {
nsCString tag(kJunkNames[i]);
ASSERT_FALSE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tag), &rgb)) <<
"Failed at junk color " << kJunkNames[i];
}
}
TEST(Gfx, ColorNames) {
RunColorTests();
}
TEST(Gfx, JunkColorNames) {
RunJunkColorTests();
}