michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "gtest/gtest.h"
michael@0: 
michael@0: #include <string.h>
michael@0: #include "nsColor.h"
michael@0: #include "nsColorNames.h"
michael@0: #include "prprf.h"
michael@0: #include "nsString.h"
michael@0: #include "mozilla/ArrayUtils.h"
michael@0: 
michael@0: // define an array of all color names
michael@0: #define GFX_COLOR(_name, _value) #_name,
michael@0: static const char* const kColorNames[] = {
michael@0: #include "nsColorNameList.h"
michael@0: };
michael@0: #undef GFX_COLOR
michael@0: 
michael@0: // define an array of all color name values
michael@0: #define GFX_COLOR(_name, _value) _value,
michael@0: static const nscolor kColors[] = {
michael@0: #include "nsColorNameList.h"
michael@0: };
michael@0: #undef GFX_COLOR
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: static const char* kJunkNames[] = {
michael@0:   nullptr,
michael@0:   "",
michael@0:   "123",
michael@0:   "backgroundz",
michael@0:   "zzzzzz",
michael@0:   "#@$&@#*@*$@$#"
michael@0: };
michael@0: 
michael@0: static
michael@0: void RunColorTests() {
michael@0:   nscolor rgb;
michael@0:   // First make sure we can find all of the tags that are supposed to
michael@0:   // be in the table. Futz with the case to make sure any case will
michael@0:   // work
michael@0: 
michael@0:   for (uint32_t index = 0 ; index < ArrayLength(kColorNames); index++) {
michael@0:     // Lookup color by name and make sure it has the right id
michael@0:     nsCString tagName(kColorNames[index]);
michael@0: 
michael@0:     // Check that color lookup by name gets the right rgb value
michael@0:     ASSERT_TRUE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) <<
michael@0:       "can't find '" << tagName.get() << "'";
michael@0:     ASSERT_TRUE((rgb == kColors[index])) <<
michael@0:       "failed at index " << index << " out of " << ArrayLength(kColorNames);
michael@0: 
michael@0:     // fiddle with the case to make sure we can still find it
michael@0:     tagName.SetCharAt(tagName.CharAt(0) - 32, 0);
michael@0:     ASSERT_TRUE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) <<
michael@0:       "can't find '" << tagName.get() << "'";
michael@0:     ASSERT_TRUE((rgb == kColors[index])) <<
michael@0:       "failed at index " << index << " out of " << ArrayLength(kColorNames);
michael@0: 
michael@0:     // Check that parsing an RGB value in hex gets the right values
michael@0:     uint8_t r = NS_GET_R(rgb);
michael@0:     uint8_t g = NS_GET_G(rgb);
michael@0:     uint8_t b = NS_GET_B(rgb);
michael@0:     uint8_t a = NS_GET_A(rgb);
michael@0:     if (a != UINT8_MAX) {
michael@0:       // NS_HexToRGB() can not handle a color with alpha channel
michael@0:       rgb = NS_RGB(r, g, b);
michael@0:     }
michael@0:     char cbuf[50];
michael@0:     PR_snprintf(cbuf, sizeof(cbuf), "%02x%02x%02x", r, g, b);
michael@0:     nscolor hexrgb;
michael@0:     ASSERT_TRUE(NS_HexToRGB(NS_ConvertASCIItoUTF16(cbuf), &hexrgb)) <<
michael@0:       "hex conversion to color of '" << cbuf << "'";
michael@0:     ASSERT_TRUE(hexrgb == rgb);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static
michael@0: void RunJunkColorTests() {
michael@0:   nscolor rgb;
michael@0:   // Now make sure we don't find some garbage
michael@0:   for (uint32_t i = 0; i < ArrayLength(kJunkNames); i++) {
michael@0:     nsCString tag(kJunkNames[i]);
michael@0:     ASSERT_FALSE(NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tag), &rgb)) <<
michael@0:       "Failed at junk color " << kJunkNames[i];
michael@0:   }
michael@0: }
michael@0: 
michael@0: TEST(Gfx, ColorNames) {
michael@0:   RunColorTests();
michael@0: }
michael@0: 
michael@0: TEST(Gfx, JunkColorNames) {
michael@0:   RunJunkColorTests();
michael@0: }