Revision control
Copy as Markdown
Other Tools
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
const { luminance, contrast, isTransparent, CONTRAST_THRESHOLD } =
add_task(function testLuminance() {
Assert.equal(
luminance("not-a-color"),
0,
"A non valid CSS color should return 0"
);
});
add_task(function testContrast() {
Assert.greater(
contrast("white", "black"),
CONTRAST_THRESHOLD,
"Foreground: white / Background: black should be above contrast"
);
Assert.less(
contrast("white", "#ccc"),
CONTRAST_THRESHOLD,
"Foreground: white / Background: #ccc should be below contrast"
);
});
add_task(function testTransparency() {
Assert.ok(
isTransparent("not-a-color"),
"A non valid CSS color should be handled as a transparent value"
);
Assert.ok(
!isTransparent("#000"),
"Black short hex should not be transparent"
);
Assert.ok(
isTransparent("#00000000"),
"Black alpha hex should be transparent"
);
Assert.ok(
!isTransparent("rgb(255, 255, 255)"),
"White rgb should not be transparent"
);
Assert.ok(
isTransparent("rgb(255, 255, 255, 0)"),
"White rgba should be transparent"
);
});