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/* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests the CubicBezier API in the CubicBezierWidget module
var Cu = Components.utils;
var {require} = Cu.import("resource://devtools/shared/Loader.jsm", {});
var {CubicBezier, _parseTimingFunction} = require("devtools/client/shared/widgets/CubicBezierWidget");
function run_test() {
throwsWhenMissingCoordinates();
throwsWhenIncorrectCoordinates();
convertsStringCoordinates();
coordinatesToStringOutputsAString();
pointGettersReturnPointCoordinatesArrays();
toStringOutputsCubicBezierValue();
toStringOutputsCssPresetValues();
testParseTimingFunction();
}
function throwsWhenMissingCoordinates() {
do_check_throws(() => {
new CubicBezier();
}, "Throws an exception when coordinates are missing");
}
function throwsWhenIncorrectCoordinates() {
do_check_throws(() => {
new CubicBezier([]);
}, "Throws an exception when coordinates are incorrect (empty array)");
do_check_throws(() => {
new CubicBezier([0, 0]);
}, "Throws an exception when coordinates are incorrect (incomplete array)");
do_check_throws(() => {
new CubicBezier(["a", "b", "c", "d"]);
}, "Throws an exception when coordinates are incorrect (invalid type)");
do_check_throws(() => {
new CubicBezier([1.5, 0, 1.5, 0]);
}, "Throws an exception when coordinates are incorrect (time range invalid)");
do_check_throws(() => {
new CubicBezier([-0.5, 0, -0.5, 0]);
}, "Throws an exception when coordinates are incorrect (time range invalid)");
}
function convertsStringCoordinates() {
do_print("Converts string coordinates to numbers");
let c = new CubicBezier(["0", "1", ".5", "-2"]);
do_check_eq(c.coordinates[0], 0);
do_check_eq(c.coordinates[1], 1);
do_check_eq(c.coordinates[2], .5);
do_check_eq(c.coordinates[3], -2);
}
function coordinatesToStringOutputsAString() {
do_print("coordinates.toString() outputs a string representation");
let c = new CubicBezier(["0", "1", "0.5", "-2"]);
let string = c.coordinates.toString();
do_check_eq(string, "0,1,.5,-2");
c = new CubicBezier([1, 1, 1, 1]);
string = c.coordinates.toString();
do_check_eq(string, "1,1,1,1");
}
function pointGettersReturnPointCoordinatesArrays() {
do_print("Points getters return arrays of coordinates");
let c = new CubicBezier([0, .2, .5, 1]);
do_check_eq(c.P1[0], 0);
do_check_eq(c.P1[1], .2);
do_check_eq(c.P2[0], .5);
do_check_eq(c.P2[1], 1);
}
function toStringOutputsCubicBezierValue() {
do_print("toString() outputs the cubic-bezier() value");
let c = new CubicBezier([0, 1, 1, 0]);
do_check_eq(c.toString(), "cubic-bezier(0,1,1,0)");
}
function toStringOutputsCssPresetValues() {
do_print("toString() outputs the css predefined values");
let c = new CubicBezier([0, 0, 1, 1]);
do_check_eq(c.toString(), "linear");
c = new CubicBezier([0.25, 0.1, 0.25, 1]);
do_check_eq(c.toString(), "ease");
c = new CubicBezier([0.42, 0, 1, 1]);
do_check_eq(c.toString(), "ease-in");
c = new CubicBezier([0, 0, 0.58, 1]);
do_check_eq(c.toString(), "ease-out");
c = new CubicBezier([0.42, 0, 0.58, 1]);
do_check_eq(c.toString(), "ease-in-out");
}
function testParseTimingFunction() {
do_print("test parseTimingFunction");
for (let test of ["ease", "linear", "ease-in", "ease-out", "ease-in-out"]) {
ok(_parseTimingFunction(test), test);
}
ok(!_parseTimingFunction("something"), "non-function token");
ok(!_parseTimingFunction("something()"), "non-cubic-bezier function");
ok(!_parseTimingFunction("cubic-bezier(something)",
"cubic-bezier with non-numeric argument"));
ok(!_parseTimingFunction("cubic-bezier(1,2,3:7)",
"did not see comma"));
ok(!_parseTimingFunction("cubic-bezier(1,2,3,7:",
"did not see close paren"));
ok(!_parseTimingFunction("cubic-bezier(1,2", "early EOF after number"));
ok(!_parseTimingFunction("cubic-bezier(1,2,", "early EOF after comma"));
deepEqual(_parseTimingFunction("cubic-bezier(1,2,3,7)"), [1, 2, 3, 7],
"correct invocation");
deepEqual(_parseTimingFunction("cubic-bezier(1, /* */ 2,3, 7 )"),
[1, 2, 3, 7],
"correct with comments and whitespace");
}
function do_check_throws(cb, info) {
do_print(info);
let hasThrown = false;
try {
cb();
} catch (e) {
hasThrown = true;
}
do_check_true(hasThrown);
}
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