pjs/gfx/tests/TestColorNames.cpp

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4.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* for the specific language governing rights and limitations under the
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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// No output means test passed.
#include <stdio.h>
#include <string.h>
#include "nsColor.h"
#include "nsColorNames.h"
#include "prprf.h"
#include "nsString.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
static const char* kJunkNames[] = {
nsnull,
"",
"123",
"backgroundz",
"zzzzzz",
"#@$&@#*@*$@$#"
};
int main(int argc, char** argv)
{
nscolor rgb;
int rv = 0;
// Everything appears to assert if we don't do this first...
nsColorNames::AddRefTable();
// 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 (int index = 0 ; index < NS_ARRAY_LENGTH(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
if (!NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) {
printf("bug: can't find '%s'\n", tagName.get());
rv = -1;
}
if (rgb != kColors[index]) {
printf("bug: name='%s' ColorNameToRGB=%x kColors[%d]=%08x\n",
tagName.get(), rgb, index, kColors[index]);
rv = -1;
}
// fiddle with the case to make sure we can still find it
tagName.SetCharAt(tagName.CharAt(0) - 32, 0);
if (!NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tagName), &rgb)) {
printf("bug: can't find '%s'\n", tagName.get());
rv = -1;
}
if (rgb != kColors[index]) {
printf("bug: name='%s' ColorNameToRGB=%x kColors[%d]=%08x\n",
tagName.get(), rgb, index, kColors[index]);
rv = -1;
}
// Check that parsing an RGB value in hex gets the right values
PRUint8 r = NS_GET_R(rgb);
PRUint8 g = NS_GET_G(rgb);
PRUint8 b = NS_GET_B(rgb);
char cbuf[50];
PR_snprintf(cbuf, sizeof(cbuf), "%02x%02x%02x", r, g, b);
nscolor hexrgb;
if (!NS_HexToRGB(NS_ConvertASCIItoUTF16(cbuf), &hexrgb)) {
printf("bug: hex conversion to color of '%s' failed\n", cbuf);
rv = -1;
}
if (hexrgb != rgb) {
printf("bug: rgb=%x hexrgb=%x\n", rgb, hexrgb);
rv = -1;
}
}
// Now make sure we don't find some garbage
for (int i = 0; i < NS_ARRAY_LENGTH(kJunkNames); i++) {
nsCString tag(kJunkNames[i]);
if (NS_ColorNameToRGB(NS_ConvertASCIItoUTF16(tag), &rgb)) {
printf("bug: found '%s'\n", kJunkNames[i] ? kJunkNames[i] : "(null)");
rv = -1;
}
}
nsColorNames::ReleaseTable();
return rv;
}