Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-strokePath-alpha-shadow.js

-description("Ensure correct behavior of canvas with path stroke using a strokeStyle color with alpha and a shadow");
-
-function print(message, color)
-{
-    var paragraph = document.createElement("div");
-    paragraph.appendChild(document.createTextNode(message));
-    paragraph.style.fontFamily = "monospace";
-    if (color)
-        paragraph.style.color = color;
-    document.getElementById("console").appendChild(paragraph);
-}
-
-function shouldBeAround(a, b)
-{
-    var evalA;
-    try {
-        evalA = eval(a);
-    } catch(e) {
-        evalA = e;
-    }
-
-    if (Math.abs(evalA - b) < 15)
-        print("PASS " + a + " is around " + b , "green")
-    else
-        print("FAIL " + a + " is not around " + b + " (actual: " + evalA + ")", "red");
-}
-
-var canvas = document.createElement('canvas');
-document.body.appendChild(canvas);
-canvas.setAttribute('width', '600');
-canvas.setAttribute('height', '1100');
-var ctx = canvas.getContext('2d');
-
-ctx.save();
-ctx.strokeStyle = 'rgba(0, 0, 255, 0.5)';
-ctx.shadowColor = 'rgba(255, 0, 0, 0.5)';
-ctx.shadowOffsetX = 250;
-ctx.lineWidth = 50;
-
-function strokePath(x, y) {
-    ctx.beginPath();
-    ctx.arc(x, y, 75, 0, Math.PI*2, true);
-    ctx.stroke();
-}
-
-// Alpha shadow.
-ctx.shadowBlur = 0;
-strokePath(150, 150);
-
-// Blurry shadow.
-ctx.shadowBlur = 10;
-strokePath(150, 400);
-
-ctx.rotate(Math.PI/2);
-
-// Rotated alpha shadow.
-ctx.shadowBlur = 0;
-strokePath(650, -150);
-
-// Rotated blurry shadow.
-ctx.shadowBlur = 10;
-strokePath(900, -150);
-
-ctx.restore();
-
-var imageData, data;
-ctx.fillStyle = 'black';
-
-function test(alphaTestFunction, x, y, r, g, b, a) {
-    // Get pixel.
-    imageData = ctx.getImageData(x, y, 1, 1);
-    data = imageData.data;
-    // Test pixel color components.
-    shouldBe('data[0]', r+'');
-    shouldBe('data[1]', g+'');
-    shouldBe('data[2]', b+'');
-    alphaTestFunction('data[3]', a+'');
-    // Plot test point.
-    ctx.fillRect(x, y, 3, 3);
-}
-
-print('Verifying alpha shadow...');
-test(shouldBe, 400, 150, 0, 0, 0, 0);
-test(shouldBeAround, 400, 75, 255,  0, 0, 64);
-test(shouldBeAround, 400, 225, 255, 0, 0, 64);
-test(shouldBeAround, 325, 150, 255, 0, 0, 64);
-test(shouldBeAround, 475, 150, 255, 0, 0, 64);
-
-print(' ');
-print('Verifying blurry shadow...');
-test(shouldBe, 400, 400, 0, 0, 0, 0);
-test(shouldBeAround, 400, 300, 255, 0, 0, 31);
-test(shouldBeAround, 400, 500, 255, 0, 0, 31);
-test(shouldBeAround, 300, 400, 255, 0, 0, 31);
-test(shouldBeAround, 500, 400, 255, 0, 0, 31);
-
-print(' ');
-print('Verifying rotated alpha shadow...');
-test(shouldBe, 400, 650, 0, 0, 0, 0);
-test(shouldBeAround, 400, 575, 255, 0, 0, 64);
-test(shouldBeAround, 400, 725, 255, 0, 0, 64);
-test(shouldBeAround, 325, 650, 255, 0, 0, 64);
-test(shouldBeAround, 475, 650, 255, 0, 0, 64);
-
-print(' ');
-print('Verifying rotated blurry shadow...');
-test(shouldBe, 400, 900, 0, 0, 0, 0);
-test(shouldBeAround, 400, 800, 255, 0, 0, 31);
-test(shouldBeAround, 400, 1000, 255, 0, 0, 31);
-test(shouldBeAround, 300, 900, 255, 0, 0, 31);
-test(shouldBeAround, 500, 900, 255, 0, 0, 31);
-
-print(' ');