- name: 2d.clearRect.basic
desc: clearRect clears to transparent black
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.clearRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.clearRect.path
desc: clearRect does not affect the current path
code: |
ctx.fillStyle = '#0f0';
ctx.beginPath();
ctx.rect(0, 0, 100, 50);
ctx.clearRect(0, 0, 16, 16);
ctx.fill();
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.clearRect.zero
desc: clearRect of zero pixels has no effect
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.clearRect(0, 0, 100, 0);
ctx.clearRect(0, 0, 0, 50);
ctx.clearRect(0, 0, 0, 0);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.clearRect.negative
desc: clearRect of negative sizes works
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.clearRect(0, 0, 50, 25);
ctx.clearRect(100, 0, -50, 25);
ctx.clearRect(0, 50, 50, -25);
ctx.clearRect(100, 50, -50, -25);
@assert pixel 25,12 == 0,0,0,0;
@assert pixel 75,12 == 0,0,0,0;
@assert pixel 25,37 == 0,0,0,0;
@assert pixel 75,37 == 0,0,0,0;
expected: clear
- name: 2d.clearRect.transform
desc: clearRect is affected by transforms
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.scale(10, 10);
ctx.translate(0, 5);
ctx.clearRect(0, -5, 10, 5);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.clearRect.globalalpha
desc: clearRect is not affected by globalAlpha
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.globalAlpha = 0.1;
ctx.clearRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.clearRect.globalcomposite
desc: clearRect is not affected by globalCompositeOperation
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'destination-atop';
ctx.clearRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.clearRect.clip
desc: clearRect is affected by clipping regions
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.beginPath();
ctx.rect(0, 0, 16, 16);
ctx.clip();
ctx.clearRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 16, 16);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.clearRect.shadow
desc: clearRect does not draw shadows
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.shadowColor = '#f00';
ctx.shadowBlur = 0;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 50;
ctx.clearRect(0, -50, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.clearRect.nonfinite
desc: clearRect() with Infinity/NaN is ignored
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
@nonfinite ctx.clearRect(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.basic
desc: fillRect works
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.path
desc: fillRect does not affect the current path
code: |
ctx.beginPath();
ctx.rect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 16, 16);
ctx.fillStyle = '#0f0';
ctx.fill();
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.zero
desc: fillRect of zero pixels has no effect
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 0);
ctx.fillRect(0, 0, 0, 50);
ctx.fillRect(0, 0, 0, 0);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.negative
desc: fillRect of negative sizes works
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 50, 25);
ctx.fillRect(100, 0, -50, 25);
ctx.fillRect(0, 50, 50, -25);
ctx.fillRect(100, 50, -50, -25);
@assert pixel 25,12 == 0,255,0,255;
@assert pixel 75,12 == 0,255,0,255;
@assert pixel 25,37 == 0,255,0,255;
@assert pixel 75,37 == 0,255,0,255;
expected: green
- name: 2d.fillRect.transform
desc: fillRect is affected by transforms
code: |
ctx.scale(10, 10);
ctx.translate(0, 5);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, -5, 10, 5);
@assert pixel 50,25 == 0,255,0,255;
expected: green
# don't bother testing globalalpha, globalcomposite because they're already heavily used by other test cases
- name: 2d.fillRect.clip
desc: fillRect is affected by clipping regions
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.beginPath();
ctx.rect(0, 0, 16, 16);
ctx.clip();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 16, 16);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.shadow
desc: fillRect draws shadows
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.shadowColor = '#0f0';
ctx.shadowBlur = 0;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 50;
ctx.fillRect(0, -50, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillRect.nonfinite
desc: fillRect() with Infinity/NaN is ignored
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
@nonfinite ctx.fillRect(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.basic
desc: strokeRect works
code: |
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 50;
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.path
desc: strokeRect does not affect the current path
code: |
ctx.beginPath();
ctx.rect(0, 0, 100, 50);
ctx.strokeStyle = '#f00';
ctx.lineWidth = 5;
ctx.strokeRect(0, 0, 16, 16);
ctx.fillStyle = '#0f0';
ctx.fill();
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.zero.1
desc: strokeRect of 0x0 pixels draws nothing
code: |
ctx.strokeStyle = '#f00';
ctx.lineWidth = 250;
ctx.strokeRect(50, 25, 0, 0);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.strokeRect.zero.2
desc: strokeRect of 0x0 pixels draws nothing, including caps and joins
code: |
ctx.strokeStyle = '#f00';
ctx.lineWidth = 250;
ctx.lineCap = 'round';
ctx.lineJoin = 'round';
ctx.strokeRect(50, 25, 0, 0);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.strokeRect.zero.3
desc: strokeRect of Nx0 pixels draws a straight line
code: |
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 50;
ctx.strokeRect(0, 25, 100, 0);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.zero.4
desc: strokeRect of Nx0 pixels draws a closed line with no caps
code: |
ctx.strokeStyle = '#f00';
ctx.lineWidth = 250;
ctx.lineCap = 'round';
ctx.strokeRect(100, 25, 100, 0);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.strokeRect.zero.5
desc: strokeRect of Nx0 pixels draws a closed line with joins
code: |
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 250;
ctx.lineJoin = 'round';
ctx.strokeRect(100, 25, 100, 0);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.negative
desc: strokeRect of negative sizes works
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 25;
ctx.strokeRect(12, 12, 26, 1);
ctx.strokeRect(88, 12, -26, 1);
ctx.strokeRect(12, 38, 26, -1);
ctx.strokeRect(88, 38, -26, -1);
@assert pixel 25,12 == 0,255,0,255;
@assert pixel 75,12 == 0,255,0,255;
@assert pixel 25,37 == 0,255,0,255;
@assert pixel 75,37 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.transform
desc: fillRect is affected by transforms
code: |
ctx.scale(10, 10);
ctx.translate(0, 5);
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 5;
ctx.strokeRect(2.5, -2.6, 5, 0.2);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.globalalpha
desc: strokeRect is affected by globalAlpha
code: |
ctx.globalAlpha = 0;
ctx.strokeStyle = '#f00';
ctx.lineWidth = 50;
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.strokeRect.globalcomposite
desc: strokeRect is not affected by globalCompositeOperation
code: |
ctx.globalCompositeOperation = 'source-in';
ctx.strokeStyle = '#f00';
ctx.lineWidth = 50;
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,0,0;
expected: clear
- name: 2d.strokeRect.clip
desc: strokeRect is affected by clipping regions
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.beginPath();
ctx.rect(0, 0, 16, 16);
ctx.clip();
ctx.strokeStyle = '#f00';
ctx.lineWidth = 50;
ctx.strokeRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 16, 16);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.shadow
desc: strokeRect draws shadows
code: |
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.shadowColor = '#0f0';
ctx.shadowBlur = 0;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 50;
ctx.strokeStyle = '#f00';
ctx.lineWidth = 50;
ctx.strokeRect(0, -75, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeRect.nonfinite
desc: strokeRect() with Infinity/NaN is ignored
code: |
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.strokeStyle = '#f00';
ctx.lineWidth = 150;
@nonfinite ctx.strokeRect(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.colorObject
desc: ctx.fillStyle works with color objects
canvas_types: ['HtmlCanvas']
code: |
ctx.fillStyle = {r: 1, g: 0, b: 0};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 255,0,0,255;
ctx.fillStyle = {r: 0, g: 0, b: 1};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,255,255;
ctx.fillStyle = {r: 0.2, g: 0.4, b: 0.6};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 51,102,153,255;
ctx.fillStyle = {r: 0, g: 1, b: 0};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
ctx.fillStyle = {r: -1, g: 0, b: 0};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,255;
ctx.fillStyle = {r: 0, g: 2, b: 0};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.fillStyle.colorObject.transparency
desc: ctx.fillStyle with color objects has transparency
canvas_types: ['HtmlCanvas']
code: |
ctx.fillStyle = {r: 0, g: 1, b: 0, a: 0};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,0;
ctx.clearRect(0, 0, 100, 50);
ctx.fillStyle = {r: 0, g: 1, b: 0, a: -1};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,0,0,0;
ctx.clearRect(0, 0, 100, 50);
ctx.fillStyle = {r: 0, g: 1, b: 0, a: 0.5};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,128;
ctx.clearRect(0, 0, 100, 50);
ctx.fillStyle = {r: 0, g: 1, b: 0, a: 1};
ctx.fillRect(0, 0, 100, 50);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeStyle.colorObject
desc: ctx.strokeStyle works with color objects
canvas_types: ['HtmlCanvas']
code: |
ctx.lineWidth = 50;
ctx.strokeStyle = {r: 1, g: 0, b: 0};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 255,0,0,255;
ctx.strokeStyle = {r: 0, g: 0, b: 1};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,255,255;
ctx.strokeStyle = {r: 0.2, g: 0.4, b: 0.6};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 51,102,153,255;
ctx.strokeStyle = {r: 0, g: 1, b: 0};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,255,0,255;
ctx.strokeStyle = {r: -1, g: 0, b: 0};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,0,255;
ctx.strokeStyle = {r: 0, g: 2, b: 0};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,255,0,255;
expected: green
- name: 2d.strokeStyle.colorObject.transparency
desc: ctx.strokeStyle with color objects has transparency
canvas_types: ['HtmlCanvas']
code: |
ctx.lineWidth = 50;
ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 0};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,0,0;
ctx.strokeStyle = {r: 0, g: 1, b: 0, a: -1};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,0,0,0;
ctx.clearRect(0, 0, 100, 50);
ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 0.5};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,255,0,128;
ctx.clearRect(0, 0, 100, 50);
ctx.strokeStyle = {r: 0, g: 1, b: 0, a: 1};
ctx.strokeRect(25, 24, 50, 2);
@assert pixel 50,25 == 0,255,0,255;
expected: green
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