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<!DOCTYPE html>
<html>
<!--
Copyright 2006 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.color.alpha</title>
<script src="../base.js"></script>
<script>
goog.require('goog.array');
goog.require('goog.color');
goog.require('goog.color.alpha');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function testIsValidAlphaHexColor() {
var goodAlphaHexColors = ['#ffffffff', '#ff781259', '#01234567', '#Ff003DaB',
'#3CAF', '#abcdefab', '#3CAB'];
var badAlphaHexColors = ['#xxxxxxxx', '88990077', 'not_color', '#123456789',
'fffffgfg'];
for (var i = 0; i < goodAlphaHexColors.length; i++) {
assertTrue(goodAlphaHexColors[i],
goog.color.alpha.isValidAlphaHexColor_(goodAlphaHexColors[i]));
}
for (var i = 0; i < badAlphaHexColors.length; i++) {
assertFalse(badAlphaHexColors[i],
goog.color.alpha.isValidAlphaHexColor_(badAlphaHexColors[i]));
}
}
function testIsValidRgbaColor() {
var goodRgbaColors = ['rgba(255, 0, 0, 1)', 'rgba(255,127,0,1)',
'rgba(0,0,255,0.5)', '(255, 26, 75, 0.2)',
'RGBA(0, 55, 0, 0.6)', 'rgba(0, 200, 0, 0.123456789)'];
var badRgbaColors = ['(255, 0, 0)', '(2555,0,0, 0)', '(1,2,3,4,5)',
'rgba(1,20,)', 'RGBA(20,20,20,)', 'RGBA',
'rgba(255, 0, 0, 1.1)'];
for (var i = 0; i < goodRgbaColors.length; i++) {
assertEquals(goodRgbaColors[i], 4,
goog.color.alpha.isValidRgbaColor_(goodRgbaColors[i]).length);
}
for (var i = 0; i < badRgbaColors.length; i++) {
assertEquals(badRgbaColors[i], 0,
goog.color.alpha.isValidRgbaColor_(badRgbaColors[i]).length);
}
}
function testIsValidHslaColor() {
var goodHslaColors = ['hsla(120, 0%, 0%, 1)', 'hsla(360,20%,0%,1)',
'hsla(0,0%,50%,0.5)', 'HSLA(0, 55%, 0%, 0.6)',
'hsla(0, 85%, 0%, 0.123456789)'];
var badHslaColors = ['(255, 0, 0, 0)', 'hsla(2555,0,0, 0)', 'hsla(1,2,3,4,5)',
'hsla(1,20,)', 'HSLA(20,20,20,)',
'hsla(255, 0, 0, 1.1)', 'HSLA'];
for (var i = 0; i < goodHslaColors.length; i++) {
assertEquals(goodHslaColors[i], 4,
goog.color.alpha.isValidHslaColor_(goodHslaColors[i]).length);
}
for (var i = 0; i < badHslaColors.length; i++) {
assertEquals(badHslaColors[i], 0,
goog.color.alpha.isValidHslaColor_(badHslaColors[i]).length);
}
}
function testParse() {
var colors = ['rgba(15, 250, 77, 0.5)', '(127, 127, 127, 0.8)', '#ffeeddaa',
'12345678', 'hsla(160, 50%, 90%, 0.2)'];
var parsed = goog.array.map(colors, goog.color.alpha.parse);
assertEquals('rgba', parsed[0].type);
assertEquals(goog.color.alpha.rgbaToHex(15, 250, 77, 0.5), parsed[0].hex);
assertEquals('rgba', parsed[1].type);
assertEquals(goog.color.alpha.rgbaToHex(127, 127, 127, 0.8), parsed[1].hex);
assertEquals('hex', parsed[2].type);
assertEquals('#ffeeddaa', parsed[2].hex);
assertEquals('hex', parsed[3].type);
assertEquals('#12345678', parsed[3].hex);
assertEquals('hsla', parsed[4].type);
assertEquals('#d9f2ea33', parsed[4].hex);
var badColors = ['rgb(01, 1, 23)', '(256, 256, 256)', '#ffeeddaa'];
for (var i = 0; i < badColors.length; i++) {
var e = assertThrows(badColors[i] + ' is not a valid color string',
goog.partial(goog.color.parse, badColors[i]));
assertContains('Error processing ' + badColors[i],
'is not a valid color string', e.message);
}
}
function testHexToRgba() {
var testColors = [['#B0FF2D66', [176, 255, 45, 0.4]],
['#b26e5fcc', [178, 110, 95, 0.8]],
['#66f3', [102, 102, 255, 0.2]]];
for (var i = 0; i < testColors.length; i++) {
var r = goog.color.alpha.hexToRgba(testColors[i][0]);
var t = testColors[i][1];
assertEquals('Red channel should match.', t[0], r[0]);
assertEquals('Green channel should match.', t[1], r[1]);
assertEquals('Blue channel should match.', t[2], r[2]);
assertEquals('Alpha channel should match.', t[3], r[3]);
}
var badColors = ['', '#g00', 'some words'];
for (var i = 0; i < badColors.length; i++) {
var e = assertThrows(
goog.partial(goog.color.alpha.hexToRgba, badColors[i]));
assertEquals("'" + badColors[i] + "' is not a valid alpha hex color",
e.message);
}
}
function testHexToRgbaStyle() {
assertEquals('rgba(255,0,0,1)',
goog.color.alpha.hexToRgbaStyle('#ff0000ff'));
assertEquals('rgba(206,206,206,0.8)',
goog.color.alpha.hexToRgbaStyle('#cecececc'));
assertEquals('rgba(51,204,170,0.2)',
goog.color.alpha.hexToRgbaStyle('#3CA3'));
var badHexColors = ['#12345', null, undefined, '#.1234567890'];
for (var i = 0; i < badHexColors.length; ++i) {
var e = assertThrows(badHexColors[i] + ' is an invalid hex color',
goog.partial(goog.color.alpha.hexToRgbaStyle, badHexColors[i]));
assertEquals("'" + badHexColors[i] + "' is not a valid alpha hex color",
e.message);
}
}
function testRgbaToHex() {
assertEquals('#af13ffff', goog.color.alpha.rgbaToHex(175, 19, 255, 1));
assertEquals('#357cf099', goog.color.alpha.rgbaToHex(53, 124, 240, 0.6));
var badRgba = [[-1, -1, -1, -1], [0, 0, 0, 2], ['a', 'b', 'c', 'd'],
[undefined, 5, 5, 5]];
for (var i = 0; i < badRgba.length; ++i) {
var e = assertThrows(badRgba[i] + ' is not a valid rgba color',
goog.partial(goog.color.alpha.rgbaArrayToHex, badRgba[i]));
assertContains('is not a valid RGBA color', e.message);
}
}
function testRgbaToRgbaStyle() {
var testColors = [[[175, 19, 255, 1], 'rgba(175,19,255,1)'],
[[53, 124, 240, .6], 'rgba(53,124,240,0.6)']];
for (var i = 0; i < testColors.length; ++i) {
var r = goog.color.alpha.rgbaToRgbaStyle(testColors[i][0][0],
testColors[i][0][1],
testColors[i][0][2],
testColors[i][0][3]);
assertEquals(testColors[i][1], r);
}
var badColors = [[0, 0, 0, 2]];
for (var i = 0; i < badColors.length; ++i) {
var e = assertThrows(goog.partial(goog.color.alpha.rgbaToRgbaStyle,
badColors[i][0], badColors[i][1], badColors[i][2], badColors[i][3]));
assertContains('is not a valid RGBA color', e.message);
}
// Loop through all bad color values and ensure they fail in each channel.
var badValues = [-1, 300, 'a', undefined, null, NaN];
var color = [0, 0, 0, 0];
for (var i = 0; i < badValues.length; ++i) {
for (var channel = 0; channel < color.length; ++channel) {
color[channel] = badValues[i];
var e = assertThrows(color + ' is not a valid rgba color',
goog.partial(goog.color.alpha.rgbaToRgbaStyle, color));
assertContains('is not a valid RGBA color', e.message);
color[channel] = 0;
}
}
}
function testRgbaArrayToRgbaStyle() {
var testColors = [[[175, 19, 255, 1], 'rgba(175,19,255,1)'],
[[53, 124, 240, .6], 'rgba(53,124,240,0.6)']];
for (var i = 0; i < testColors.length; ++i) {
var r = goog.color.alpha.rgbaArrayToRgbaStyle(testColors[i][0]);
assertEquals(testColors[i][1], r);
}
var badColors = [[0, 0, 0, 2]];
for (var i = 0; i < badColors.length; ++i) {
var e = assertThrows(goog.partial(goog.color.alpha.rgbaArrayToRgbaStyle,
badColors[i]));
assertContains('is not a valid RGBA color', e.message);
}
// Loop through all bad color values and ensure they fail in each channel.
var badValues = [-1, 300, 'a', undefined, null, NaN];
var color = [0, 0, 0, 0];
for (var i = 0; i < badValues.length; ++i) {
for (var channel = 0; channel < color.length; ++channel) {
color[channel] = badValues[i];
var e = assertThrows(color + ' is not a valid rgba color',
goog.partial(goog.color.alpha.rgbaToRgbaStyle, color));
assertContains('is not a valid RGBA color', e.message);
color[channel] = 0;
}
}
}
function testRgbaArrayToHsla() {
var opaqueBlueRgb = [0, 0, 255, 1];
var opaqueBlueHsl = goog.color.alpha.rgbaArrayToHsla(opaqueBlueRgb);
assertArrayEquals('Conversion from RGBA to HSLA should be as expected',
[240, 1, 0.5, 1], opaqueBlueHsl);
var nearlyOpaqueYellowRgb = [255, 190, 0, 0.7];
var nearlyOpaqueYellowHsl =
goog.color.alpha.rgbaArrayToHsla(nearlyOpaqueYellowRgb);
assertArrayEquals('Conversion from RGBA to HSLA should be as expected',
[45, 1, 0.5, 0.7], nearlyOpaqueYellowHsl);
var transparentPurpleRgb = [180, 0, 255, 0];
var transparentPurpleHsl =
goog.color.alpha.rgbaArrayToHsla(transparentPurpleRgb);
assertArrayEquals('Conversion from RGBA to HSLA should be as expected',
[282, 1, 0.5, 0], transparentPurpleHsl);
}
function testNormalizeAlphaHex() {
var compactColor = '#abcd';
var normalizedCompactColor =
goog.color.alpha.normalizeAlphaHex_(compactColor);
assertEquals('The color should have been normalized to the right length',
'#aabbccdd', normalizedCompactColor);
var uppercaseColor = '#ABCDEF01';
var normalizedUppercaseColor =
goog.color.alpha.normalizeAlphaHex_(uppercaseColor);
assertEquals('The color should have been normalized to lowercase',
'#abcdef01', normalizedUppercaseColor);
}
function testHsvaArrayToHex() {
var opaqueSkyBlueHsv = [190, 1, 255, 1];
var opaqueSkyBlueHex = goog.color.alpha.hsvaArrayToHex(opaqueSkyBlueHsv);
assertEquals('The HSVA array should have been properly converted to hex',
'#00d4ffff', opaqueSkyBlueHex);
var halfTransparentPinkHsv = [300, 1, 255, 0.5];
var halfTransparentPinkHex =
goog.color.alpha.hsvaArrayToHex(halfTransparentPinkHsv);
assertEquals('The HSVA array should have been properly converted to hex',
'#ff00ff7f', halfTransparentPinkHex);
var transparentDarkTurquoiseHsv = [175, 1, 127, 0.5];
var transparentDarkTurquoiseHex =
goog.color.alpha.hsvaArrayToHex(transparentDarkTurquoiseHsv);
assertEquals('The HSVA array should have been properly converted to hex',
'#007f747f', transparentDarkTurquoiseHex);
}
function testExtractHexColor() {
var opaqueRed = '#ff0000ff';
var red = goog.color.alpha.extractHexColor(opaqueRed);
assertEquals('The hex part of the color should have been extracted correctly',
'#ff0000', red);
var halfOpaqueDarkGreenCompact = '#0507';
var darkGreen =
goog.color.alpha.extractHexColor(halfOpaqueDarkGreenCompact);
assertEquals('The hex part of the color should have been extracted correctly',
'#005500', darkGreen);
}
function testExtractAlpha() {
var colors = ['#ff0000ff', '#0507', '#ff000005'];
var expectedOpacities = ['ff', '77', '05'];
for (var i = 0; i < colors.length; i++) {
var opacity = goog.color.alpha.extractAlpha(colors[i]);
assertEquals('The alpha transparency should have been extracted correctly',
expectedOpacities[i], opacity);
}
}
function testHslaArrayToRgbaStyle() {
assertEquals('rgba(102,255,102,0.5)',
goog.color.alpha.hslaArrayToRgbaStyle([120, 100, 70, 0.5]));
assertEquals('rgba(28,23,23,0.9)',
goog.color.alpha.hslaArrayToRgbaStyle([0, 10, 10, 0.9]));
}
</script>
</body>
</html>
|
