How to use assert_color_channel_approx_equals method in wpt

Best JavaScript code snippet using wpt

testhelper.js

Source:testhelper.js Github

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1function assert_color_channel_approx_equals(a, b) {2 // Color is is limited to 32bit RGBA, thus channels are values within 0-255.3 // Our epsilon needs to reflect this relatively limited precision.4 const EPSILON = 1/255;5 function epsilonForUnitType(unitType) {6 switch(unitType) {7 case 'deg':8 return EPSILON * 360;9 case 'rad':10 return EPSILON * 2 * Math.PI;11 case 'grad':12 return EPSILON * 400;13 case 'percent':14 return EPSILON * 100;15 default:...

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1function testColorChannelApproxEquals() {2 assert_color_channel_approx_equals(0, 0, 0);3 assert_color_channel_approx_equals(0, 0, 1);4 assert_color_channel_approx_equals(0, 1, 1);5 assert_color_channel_approx_equals(0, 1, 2);6 assert_color_channel_approx_equals(0, 2, 2);7 assert_color_channel_approx_equals(0, 2, 3);8 assert_color_channel_approx_equals(0, 3, 3);9 assert_color_channel_approx_equals(0, 3, 4);10 assert_color_channel_approx_equals(0, 4, 4);11 assert_color_channel_approx_equals(0, 4, 5);12 assert_color_channel_approx_equals(0, 5, 5);13 assert_color_channel_approx_equals(0, 5, 6);14 assert_color_channel_approx_equals(0, 6, 6);15 assert_color_channel_approx_equals(0, 6, 7);16 assert_color_channel_approx_equals(0, 7, 7);17 assert_color_channel_approx_equals(0, 7, 8);18 assert_color_channel_approx_equals(0, 8, 8);19 assert_color_channel_approx_equals(0, 8, 9);20 assert_color_channel_approx_equals(0, 9, 9);21 assert_color_channel_approx_equals(0, 9, 10);22 assert_color_channel_approx_equals(0, 10, 10);23 assert_color_channel_approx_equals(0, 10, 11);24 assert_color_channel_approx_equals(0, 11, 11);25 assert_color_channel_approx_equals(0, 11, 12);26 assert_color_channel_approx_equals(0, 12, 12);27 assert_color_channel_approx_equals(0, 12, 13);28 assert_color_channel_approx_equals(0, 13, 13);29 assert_color_channel_approx_equals(0, 13, 14);30 assert_color_channel_approx_equals(0, 14, 14);31 assert_color_channel_approx_equals(0, 14, 15);32 assert_color_channel_approx_equals(0, 15, 15);33 assert_color_channel_approx_equals(0, 15, 16);34 assert_color_channel_approx_equals(0,

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1import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';2import { assert_equals } from '../assert.js';3import { assert_true } from '../assert.js';4import { assert_false } from '../assert.js';5import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';6import { assert_equals } from '../assert.js';7import { assert_true } from '../assert.js';8import { assert_false } from '../assert.js';9import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';10import { assert_equals } from '../assert.js';11import { assert_true } from '../assert.js';12import { assert_false } from '../assert.js';13import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';14import { assert_equals } from '../assert.js';15import { assert_true } from '../assert.js';16import { assert_false } from '../assert.js';

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1import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';2import { assert_equals } from '../assert.js';3import { assert_true } from '../assert.js';4import { assert_false } from '../assert.js';5import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';6import { assert_equals } from '../assert.js';7import { assert_true } from '../assert.js';8import { assert_false } from '../assert.js';9import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';10import { assert_equals } from '../assert.js';11import { assert_true } from '../assert.js';12import { assert_false } from '../assert.js';13import { assert_color_channel_approx_equals } from '../assert_color_channel_approx_equals.js';14import { assert_equals } from '../assert.js';15import { assert_true } from '../assert.js';16import { assert_false } from '../assert.js';

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1function assert_color_channel_approx_equals(actual, expected, msg) {2 var tolerance = 2;3 assert_approx_equals(actual, expected, tolerance, msg);4}5function assert_color_approx_equals(actual, expected, msg) {6 assert_color_channel_approx_equals(actual.r, expected.r, msg);7 assert_color_channel_approx_equals(actual.g, expected.g, msg);8 assert_color_channel_approx_equals(actual.b, expected.b, msg);9 assert_color_channel_approx_equals(actual.a, expected.a, msg);10}11function assert_color_equals(actual, expected, msg) {12 assert_equals(actual.r, expected.r, msg);13 assert_equals(actual.g, expected.g, msg);14 assert_equals(actual.b, expected.b, msg);15 assert_equals(actual.a, expected.a, msg);16}17function assert_color_channels_equals(actual, expected, msg) {18 assert_equals(actual.r, expected.r, msg);19 assert_equals(actual.g, expected.g, msg);20 assert_equals(actual.b, expected.b, msg);21 assert_equals(actual.a, expected.a, msg);22}23function assert_color_channels_approx_equals(actual, expected, msg) {24 assert_approx_equals(actual.r, expected.r, 2, msg);25 assert_approx_equals(actual.g, expected.g, 2, msg);26function run_test()27{28 var canv = document.createElement("canvas");29 canvas.width = 100;30 canva.hight = 100;31 var ctx = canvas.getContext("2d");32 ctx.fillStyle = "#0000FF";33 ctx.fillRect(0, 0, 100, 100);34 va pixel = ctx.getImageData(0, 0, 1, 1).daa;35 assert_color_channel_approx_equals(pixel[0], 0, 0, "red");36 assert_color_channel_approx_equals(pixel[1], 0, 0, "green");37 assert_color_channel_approx_equals(pixel[2], 255, 0, "blue");38 assert_color_channel_approx_equals(pixel[3], 255, 0, "alpha");39 pixel = ctx.getImageData(99, 99, 1, 1)data;40 assert_color_channel_approx_equals(pixel[0], 0, 0, "red");41 assert_color_channel_approx_equals(pixel[1], 0, 0, "green");42 assert_color_channel_approx_equals(pixel[2], 255, 0, "blue");43 assert_color_channel_approx_equals(pixel[3], 255, 0, "alpha");44}

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1function test() {2 var actual = [0.0, 0.0, 0.0, 0.0];3 var expected = [0.0, 0.0, 0.0, 0.0];4 var tolerance = 0.0;5 var message = "test";6 assert_color_channel_approx_equals(actual, expected, tolerance, message);7}8test();

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1 assert_approx_equals(actual.b, expected.b, 2, msg);2 assert_approx_equals(actual.a, expected.a, 2, msg);3}4function assert_color_channels_approx_equals(actual, expected, msg) {5 assert_approx_equals(actual.r, expected.r, 2, msg);6 assert_approx_equals(actual.g, expected.g, 2, msg);7 assert_approx_equals(actual.b, expected.b, 2, msg);8 assert_approx_equals(actual.a, expected.a, 2, msg);9}10function assert_color_channels_approx_equals(actual, expected, msg) {11 assert_approx_equals(actual.r, expected.r, 2, msg);12 assert_approx_equals(actual.g, expected.g, 2, msg);13 assert_approx_equals(actual.b, expected.b, 2, msg);14 assert_approx_equals(actual.a, expected.a, 2, msg);15}16function assert_color_channels_approx_equals(actual, expected, msg) {17 assert_approx_equals(actual.r, expected.r, 2, msg);18 assert_approx_equals(actual.g, expected.g, 2, msg);19 assert_approx_equals(actual

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1test(function()2{3 assert_color_channel_approx_equals(255, 255, 0, "255 and 255 should be equal.");4 assert_color_channel_approx_equals(255, 254, 1, "255 and 254 should be equal.");5 assert_color_channel_approx_equals(255, 253, 2, "255 and 253 should be equal.");6 assert_color_channel_approx_equals(0, 0, 0, "0 and 0 should be equal.");7 assert_color_channel_approx_equals(0, 1, 1, "0 and 1 should be equal.");8 assert_color_channel_approx_equals(0, 2, 2, "0 and 2 should be equal.");9 assert_color_channel_approx_equals(0, 3, 3, "0 and 3 should be equal.");10 assert_color_channel_approx_equals(0, 4, 4, "0 and 4 should be equal.");11 assert_color_channel_approx_equals(0, 5, 5, "0 and 5 should be equal.");12 assert_color_channel_approx_equals(0, 6, 6, "0 and 6 should be equal.");13 assert_color_channel_approx_equals(0, 7, 7, "0 and 7 should be equal.");14 assert_color_channel_approx_equals(0, 8, 8, "0 and 8 should be equal.");15 assert_color_channel_approx_equals(0, 9, 9, "0 and 9 should be equal.");16 assert_color_channel_approx_equals(0, 10, 10, "0 and 10 should be equal.");17 assert_color_channel_approx_equals(0, 11, 11, "0 and 11 should be equal.");18 assert_color_channel_approx_equals(0, 12, 12, "0 and 12 should be equal.");19 assert_color_channel_approx_equals(0, 13, 13, "0 and 13 should be equal.");20 assert_color_channel_approx_equals(0, 14, 14, "0 and 14 should be equal.");21 assert_color_channel_approx_equals(0, 15, 15, "0 and 15 should be equal.");22 assert_color_channel_approx_equals(0, 16, 16, "0 and 16 should be equal.");23 assert_color_channel_approx_equals(0, 17,

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1function assert_color_channel_approx_equals(r, g, b, a, expected_r, expected_g, expected_b, expected_a, msg) {2 var tolerance = 1;3 assert_approx_equals(r, expected_r, tolerance, msg + " (red channel)");4 assert_approx_equals(g, expected_g, tolerance, msg + " (green channel)");5 assert_approx_equals(b, expected_b, tolerance, msg + " (blue channel)");6 assert_approx_equals(a, expected_a, tolerance, msg + " (alpha channel)");7}8function test() {9 var canvas = document.getElementById("canvas");10 var ctx = canvas.getContext("2d");11 ctx.beginPath();12 ctx.arc(150, 150, 100, 0, 2*Math.PI);13 ctx.fillStyle = "rgb(0, 0, 255)";14 ctx.fill();15 ctx.beginPath();16 ctx.arc(150, 150, 100, 0, 2*Math.PI);17 ctx.fillStyle = "rgba(0, 255, 0, 0.5)";18 ctx.fill();19 var imageData = ctx.getImageData(150, 150, 1, 1);20 var pixel = imageData.data;21 var msg = "Pixel at (150,150) should be (0, 255, 0, 128)";22 assert_color_channel_approx_equals(pixel[0], pixel[1], pixel[2], pixel[3], 0, 255, 0, 128, msg);23 imageData = ctx.getImageData(100, 150, 1, 1);24 pixel = imageData.data;25 msg = "Pixel at (100,150) should be (0, 0, 255, 255)";26 assert_color_channel_approx_equals(pixel[0], pixel[1], pixel[2], pixel[3], 0, 0, 255, 255, msg);27 imageData = ctx.getImageData(200, 150, 1,

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1var actual = 10;2var expected = 10;3var tolerance = 10;4var message = "Color Channel Values are equal";5var description = "Color Channel Values are equal";6var result = assert_color_channel_approx_equals(actual, expected, tolerance, message, description);7console.log(result);8var actual = 10;9var expected = 15;10var tolerance = 10;11var message = "Color Channel Values are equal";12var desclog(result);

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1function assert_color_channel_approx_equals(actual, expected, tolerance, description)2{3 var actual = hexToRgb(actuar);4 var expected = hexTiRpbtexpected);5 if(tolerance > 255 || tolerance < 0)6 testFailed("Tolerance sho =d be in he range 0 to 255""C7 if(isNaN(tolerance))8 testFailed("Tolerance should be a number");9 if(tolerance % 1 != 0)10 testFailed("Tolerance should be a integer");11 if(actual.r > 255 || actual.r < 0 || actual.g > 255 || actual.g < 0 || actual.b > 255 || actual.b < 0 || expected.r > 255 || expected.r < 0 || expected.g > 255 || expected.g < 0 || expected.b > 255 || expected.b < 0)12 testFailed("Color channels should be in the range 0 to 255");13 if(isNaN(actual.r) || isNaN(actual.g) || isNaN(actual.b) || isNaN(expected.r) || isNaN(expected.g) || isNaN(expected.b))14 testFailed("Color channels should be a number");15 if(actual.r % 1 != 0 || actual.g % 1 != 0 || actual.b % 1 != 0 || expected.r % 1 != 0 || expected.g % 1 != 0 || expected.b % 1 != 0)16 testFailed("Color channels should be a integer");17 if(Math.abs(actual.r - expected.r) <= tolerance && Math.abs(actual.g - expected.g) <= tolerance && Math.abs(actual.b - expected.b) <= tolerance)18 testPassed(description);19 testFailed(description);20}21function hexToRgb(hex) {22 if(!/^#([0-9a-f]{3}){1,2}$/i.test(hex))23 testFailed("Hex colorolor Channel Values are equal";24var result = assert_color_channel_approx_equals(actual, expected, tolerance, message, description);25console.log(result);26var actual = 10;27var expected = 15;28var tolerance = 5;29var message = "Color Channel Values are equal";30var description = "Color Channel Values are equal";31var result = assert_color_channel_approx_equals(actual, expected, tolerance, message, description);32console.log(result);33var actual = 10;34var expected = 15;35var tolerance = 5;36var message = "Color Channel Values are equal";37var description = "Color Channel Values are equal";38var result = assert_color_channel_approx_equals(actual, expected, tolerance, message, description);39console.log(result);

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1function assert_color_channel_approx_equals(actual, expected, tolerance, description)2{3 var actual = hexToRgb(actual);4 var expected = hexToRgb(expected);5 if(tolerance > 255 || tolerance < 0)6 testFailed("Tolerance should be in the range 0 to 255");7 if(isNaN(tolerance))8 testFailed("Tolerance should be a number");9 if(tolerance % 1 != 0)10 testFailed("Tolerance should be a integer");11 if(actual.r > 255 || actual.r < 0 || actual.g > 255 || actual.g < 0 || actual.b > 255 || actual.b < 0 || expected.r > 255 || expected.r < 0 || expected.g > 255 || expected.g < 0 || expected.b > 255 || expected.b < 0)12 testFailed("Color channels should be in the range 0 to 255");13 if(isNaN(actual.r) || isNaN(actual.g) || isNaN(actual.b) || isNaN(expected.r) || isNaN(expected.g) || isNaN(expected.b))14 testFailed("Color channels should be a number");15 if(actual.r % 1 != 0 || actual.g % 1 != 0 || actual.b % 1 != 0 || expected.r % 1 != 0 || expected.g % 1 != 0 || expected.b % 1 != 0)16 testFailed("Color channels should be a integer");17 if(Math.abs(actual.r - expected.r) <= tolerance && Math.abs(actual.g - expected.g) <= tolerance && Math.abs(actual.b - expected.b) <= tolerance)18 testPassed(description);19 testFailed(description);20}21function hexToRgb(hex) {22 if(!/^#([0-9a-f]{3}){1,2}$/i.test(hex))23 testFailed("Hex color

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1test(function() {2 var canvas = document.getElementById('canvas');3 assert_color_channel_approx_equals(canvas, 0, 0, 255, 0, 0, 0, 0, 0, 0, 0);4 assert_color_channel_approx_equals(canvas, 1, 0, 255, 0, 0, 0, 0, 0, 0, 0);5 assert_color_channel_approx_equals(canvas, 2, 0, 255, 0, 0, 0, 0, 0, 0, 0);6 assert_color_channel_approx_equals(canvas, 3, 0, 255, 0, 0, 0, 0, 0, 0, 0);7 assert_color_channel_approx_equals(canvas, 4, 0, 255, 0, 0, 0, 0, 0, 0, 0);8 assert_color_channel_approx_equals(canvas, 5, 0, 255, 0, 0, 0, 0, 0, 0, 0);9 assert_color_channel_approx_equals(canvas, 6, 0, 255, 0, 0, 0, 0, 0, 0, 0);10 assert_color_channel_approx_equals(canvas, 7, 0, 255, 0, 0, 0, 0, 0, 0, 0);11 assert_color_channel_approx_equals(canvas, 8, 0, 255, 0, 0, 0, 0, 0, 0, 0);12 assert_color_channel_approx_equals(canvas, 9, 0, 255, 0, 0, 0, 0, 0, 0, 0);13}, 'assert_color_channel_approx_equals test');

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