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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests methods from the LinearEasingWidget module
const {
LinearEasingFunctionWidget,
parseTimingFunction,
} = require("resource://devtools/client/shared/widgets/LinearEasingFunctionWidget.js");
add_task(function testParseTimingFunction() {
info("test parseTimingFunction");
for (const test of ["ease", "linear", "ease-in", "ease-out", "ease-in-out"]) {
ok(!parseTimingFunction(test), `"${test}" is not valid`);
}
ok(!parseTimingFunction("something"), "non-function token");
ok(!parseTimingFunction("something()"), "non-linear function");
ok(
!parseTimingFunction(
"linear(something)",
"linear with non-numeric argument"
)
);
ok(!parseTimingFunction("linear(0)", "linear with only 1 point"));
deepEqual(
parseTimingFunction("linear(0, 0.5, 1)"),
[
{ input: 0, output: 0 },
{ input: 0.5, output: 0.5 },
{ input: 1, output: 1 },
],
"correct invocation"
);
deepEqual(
parseTimingFunction("linear(0, 0.5 /* mid */, 1)"),
[
{ input: 0, output: 0 },
{ input: 0.5, output: 0.5 },
{ input: 1, output: 1 },
],
"correct with comments and whitespace"
);
deepEqual(
parseTimingFunction("linear(0 10%, 0.5 20%, 1 90%)"),
[
{ input: 0.1, output: 0 },
{ input: 0.2, output: 0.5 },
{ input: 0.9, output: 1 },
],
"correct invocation with single stop"
);
deepEqual(
parseTimingFunction(
"linear(0, 0.1, 0.2, 0.3, 0.4, 0.5 50%, 0.6, 0.7, 0.8, 0.9 70%, 1)"
),
[
{ input: 0, output: 0 },
{ input: 0.1, output: 0.1 },
{ input: 0.2, output: 0.2 },
{ input: 0.3, output: 0.3 },
{ input: 0.4, output: 0.4 },
{ input: 0.5, output: 0.5 },
{ input: 0.55, output: 0.6 },
{ input: 0.6, output: 0.7 },
{
// This should be 0.65, but JS doesn't play well with floating points, which makes
// the test fail. So re-do the computation here
input: 0.5 * 0.25 + 0.7 * 0.75,
output: 0.8,
},
{ input: 0.7, output: 0.9 },
{ input: 1, output: 1 },
],
"correct invocation with single stop and run of non-stop values"
);
deepEqual(
parseTimingFunction("linear(0, 0.5 80%, 0.75 40%, 1)"),
[
{ input: 0, output: 0 },
{ input: 0.8, output: 0.5 },
{ input: 0.8, output: 0.75 },
{ input: 1, output: 1 },
],
"correct invocation with out of order single stop"
);
deepEqual(
parseTimingFunction("linear(0.5 10% 40%, 0, 0.2 60% 70%, 0.75 80% 100%)"),
[
{ input: 0.1, output: 0.5 },
{ input: 0.4, output: 0.5 },
{ input: 0.5, output: 0 },
{ input: 0.6, output: 0.2 },
{ input: 0.7, output: 0.2 },
{ input: 0.8, output: 0.75 },
{ input: 1, output: 0.75 },
],
"correct invocation with multiple stops"
);
deepEqual(
parseTimingFunction("linear(0, 0.2 60% 10%, 1)"),
[
{ input: 0, output: 0 },
{ input: 0.6, output: 0.2 },
{ input: 0.6, output: 0.2 },
{ input: 1, output: 1 },
],
"correct invocation with multiple out of order stops"
);
deepEqual(
parseTimingFunction("linear(0, 1.5, 1)"),
[
{ input: 0, output: 0 },
{ input: 0.5, output: 1.5 },
{ input: 1, output: 1 },
],
"linear function easing with output greater than 1"
);
deepEqual(
parseTimingFunction("linear(1, -0.5, 0)"),
[
{ input: 0, output: 1 },
{ input: 0.5, output: -0.5 },
{ input: 1, output: 0 },
],
"linear function easing with output less than 1"
);
deepEqual(
parseTimingFunction("linear(0, 0.1 -10%, 1)"),
[
{ input: 0, output: 0 },
{ input: 0, output: 0.1 },
{ input: 1, output: 1 },
],
"correct invocation, input value being unspecified in the first entry implies zero"
);
deepEqual(
parseTimingFunction("linear(0, 0.9 110%, 1)"),
[
{ input: 0, output: 0 },
{ input: 1.1, output: 0.9 },
{ input: 1.1, output: 1 },
],
"correct invocation, input value being unspecified in the last entry implies max input value"
);
});
add_task(function testGetSetCssLinearValue() {
const doc = Services.appShell.createWindowlessBrowser().document;
const widget = new LinearEasingFunctionWidget(doc.body);
widget.setCssLinearValue("linear(0)");
ok(!widget.getCssLinearValue(), "no value returned for invalid value");
widget.setCssLinearValue("linear(0, 0.5, 1)");
deepEqual(
widget.getCssLinearValue(),
"linear(0 0%, 0.5 50%, 1 100%)",
"no stops"
);
widget.setCssLinearValue("linear(0 10%, 0.5 20%, 1 90%)");
deepEqual(
widget.getCssLinearValue(),
"linear(0 10%, 0.5 20%, 1 90%)",
"with single stops"
);
widget.setCssLinearValue("linear(0, 0.5 80%, 0.75 40%, 1)");
deepEqual(
widget.getCssLinearValue(),
"linear(0 0%, 0.5 80%, 0.75 80%, 1 100%)",
"correcting out of order single stops"
);
widget.setCssLinearValue(
"linear(0.5 10% 40%, 0, 0.2 60% 70%, 0.75 80% 100%)"
);
deepEqual(
widget.getCssLinearValue(),
"linear(0.5 10%, 0.5 40%, 0 50%, 0.2 60%, 0.2 70%, 0.75 80%, 0.75 100%)",
"multiple stops"
);
widget.setCssLinearValue("linear(0, 0.2 60% 10%, 1)");
deepEqual(
widget.getCssLinearValue(),
"linear(0 0%, 0.2 60%, 0.2 60%, 1 100%)",
"correcting multiple out-of-order stops"
);
widget.setCssLinearValue("linear(1, -0.5, 1.5)");
deepEqual(
widget.getCssLinearValue(),
"linear(1 0%, -0.5 50%, 1.5 100%)",
"output outside of [0,1] range"
);
widget.setCssLinearValue("linear(0 -10%, 0.5, 1 130%)");
deepEqual(
widget.getCssLinearValue(),
"linear(0 -10%, 0.5 60%, 1 130%)",
"input outside of [0%,100%] range"
);
});
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