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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"use strict";
/**
* Test the suggestion-picker helper methods.
*/
const {
findMostRelevantIndex,
findMostRelevantCssPropertyIndex,
/**
* Run all tests defined below.
*/
function run_test() {
ensureMostRelevantIndexProvidedByHelperFunction();
ensureMostRelevantIndexProvidedByClassMethod();
ensureErrorThrownWithInvalidArguments();
}
/**
* Generic test data.
*/
const TEST_DATA = [
{
// Match in sortedItems array.
items: ["chrome", "edge", "firefox"],
sortedItems: ["firefox", "chrome", "edge"],
expectedIndex: 2,
},
{
// No match in sortedItems array.
items: ["apple", "oranges", "banana"],
sortedItems: ["kiwi", "pear", "peach"],
expectedIndex: 0,
},
{
// Empty items array.
items: [],
sortedItems: ["empty", "arrays", "can't", "have", "relevant", "indexes"],
expectedIndex: -1,
},
];
function ensureMostRelevantIndexProvidedByHelperFunction() {
info("Running ensureMostRelevantIndexProvidedByHelperFunction()");
for (const testData of TEST_DATA) {
const { items, sortedItems, expectedIndex } = testData;
const mostRelevantIndex = findMostRelevantIndex(items, sortedItems);
strictEqual(mostRelevantIndex, expectedIndex);
}
}
/**
* CSS properties test data.
*/
const CSS_TEST_DATA = [
{
items: [
"backface-visibility",
"background",
"background-attachment",
"background-blend-mode",
"background-clip",
"background-color",
"background-image",
"background-origin",
"background-position",
"background-repeat",
],
expectedIndex: 1,
},
{
items: [
"caption-side",
"clear",
"clip",
"clip-path",
"clip-rule",
"color",
"color-interpolation",
"color-interpolation-filters",
"content",
"counter-increment",
],
expectedIndex: 5,
},
{
items: ["direction", "display", "dominant-baseline"],
expectedIndex: 1,
},
{
items: [
"object-fit",
"object-position",
"offset-block-end",
"offset-block-start",
"offset-inline-end",
"offset-inline-start",
"opacity",
"order",
"orphans",
"outline",
],
expectedIndex: 6,
},
{
items: [
"white-space",
"widows",
"width",
"will-change",
"word-break",
"word-spacing",
"word-wrap",
"writing-mode",
],
expectedIndex: 2,
},
];
function ensureMostRelevantIndexProvidedByClassMethod() {
info("Running ensureMostRelevantIndexProvidedByClassMethod()");
for (const testData of CSS_TEST_DATA) {
const { items, expectedIndex } = testData;
const mostRelevantIndex = findMostRelevantCssPropertyIndex(items);
strictEqual(mostRelevantIndex, expectedIndex);
}
}
function ensureErrorThrownWithInvalidArguments() {
info("Running ensureErrorThrownWithInvalidTypeArgument()");
const expectedError = /Please provide valid items and sortedItems arrays\./;
// No arguments passed.
Assert.throws(() => findMostRelevantIndex(), expectedError);
// Invalid arguments passed.
Assert.throws(() => findMostRelevantIndex([]), expectedError);
Assert.throws(() => findMostRelevantIndex(null, []), expectedError);
Assert.throws(() => findMostRelevantIndex([], "string"), expectedError);
Assert.throws(() => findMostRelevantIndex("string", []), expectedError);
}