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LibJS: Implement String.prototype.endsWith()

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This commit is contained in:
Xavier Cooney 2020-12-25 12:58:34 +11:00 • committed by Andreas Kling
parent 43f948b357
commit 1cf92d39eb
5 changed files with 88 additions and 0 deletions
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1
Libraries/LibJS/Tests/builtins/String/String.prototype-generic-functions.js
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@ -4,6 +4,7 @@ test("basic functionality", () => {
"charCodeAt",
"repeat",
"startsWith",
"endsWith",
"indexOf",
"toLowerCase",
"toUpperCase",

39
Libraries/LibJS/Tests/builtins/String/String.prototype.endsWith.js Normal file
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@ -0,0 +1,39 @@
test("basic functionality", () => {
expect(String.prototype.endsWith).toHaveLength(1);
var s = "foobar";
expect(s.endsWith("r")).toBeTrue();
expect(s.endsWith("ar")).toBeTrue();
expect(s.endsWith("bar")).toBeTrue();
expect(s.endsWith("obar")).toBeTrue();
expect(s.endsWith("oobar")).toBeTrue();
expect(s.endsWith("foobar")).toBeTrue();
expect(s.endsWith("1foobar")).toBeFalse();
expect(s.endsWith("r", 6)).toBeTrue();
expect(s.endsWith("ar", 6)).toBeTrue();
expect(s.endsWith("bar", 6)).toBeTrue();
expect(s.endsWith("obar", 6)).toBeTrue();
expect(s.endsWith("oobar", 6)).toBeTrue();
expect(s.endsWith("foobar", 6)).toBeTrue();
expect(s.endsWith("1foobar", 6)).toBeFalse();
expect(s.endsWith("bar", [])).toBeFalse();
expect(s.endsWith("bar", null)).toBeFalse();
expect(s.endsWith("bar", false)).toBeFalse();
expect(s.endsWith("bar", true)).toBeFalse();
expect(s.endsWith("f", true)).toBeTrue();
expect(s.endsWith("bar", -1)).toBeFalse();
expect(s.endsWith("bar", 42)).toBeTrue();
expect(s.endsWith("foo", 3)).toBeTrue();
expect(s.endsWith("foo", "3")).toBeTrue();
expect(s.endsWith("foo1", 3)).toBeFalse();
expect(s.endsWith("foo", 3.7)).toBeTrue();
expect(s.endsWith()).toBeFalse();
expect(s.endsWith("")).toBeTrue();
expect(s.endsWith("", 0)).toBeTrue();
expect(s.endsWith("", 1)).toBeTrue();
expect(s.endsWith("", -1)).toBeTrue();
expect(s.endsWith("", 42)).toBeTrue();
expect("12undefined".endsWith()).toBeTrue();
expect(() => s.endsWith(/foobar/)).toThrowWithMessage(TypeError, "searchString is not a string, but a regular expression");
expect(s.endsWith("bar", undefined)).toBeTrue();
});