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LibJS: Improve Error/NativeError tests

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Some of this stuff is already tested properly in the name and message
prototype tests, so let's focus on covering all error types here as well
instead.
This commit is contained in:
Linus Groh 2021-06-11 20:34:25 +01:00
commit 8d77a3297a
Notes: sideshowbarker 2024-07-18 12:24:16 +09:00
1 changed files with 31 additions and 15 deletions
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46
Userland/Libraries/LibJS/Tests/builtins/Error/Error.js
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@ -1,18 +1,34 @@
test("basic functionality", () => {
expect(Error).toHaveLength(1);
expect(Error.name).toBe("Error");
});
describe("normal behavior", () => {
test("length is 1", () => {
expect(Error).toHaveLength(1);
expect(EvalError).toHaveLength(1);
expect(RangeError).toHaveLength(1);
expect(ReferenceError).toHaveLength(1);
expect(SyntaxError).toHaveLength(1);
expect(TypeError).toHaveLength(1);
});
test("name", () => {
[Error(), Error(undefined), Error("test"), Error(42), Error(null)].forEach(error => {
expect(error.name).toBe("Error");
test("name matches constructor name", () => {
expect(Error.name).toBe("Error");
expect(EvalError.name).toBe("EvalError");
expect(RangeError.name).toBe("RangeError");
expect(ReferenceError.name).toBe("ReferenceError");
expect(SyntaxError.name).toBe("SyntaxError");
expect(TypeError.name).toBe("TypeError");
});
test("basic functionality", () => {
expect(Error()).toBeInstanceOf(Error);
expect(new Error()).toBeInstanceOf(Error);
expect(EvalError()).toBeInstanceOf(EvalError);
expect(new EvalError()).toBeInstanceOf(EvalError);
expect(RangeError()).toBeInstanceOf(RangeError);
expect(new RangeError()).toBeInstanceOf(RangeError);
expect(ReferenceError()).toBeInstanceOf(ReferenceError);
expect(new ReferenceError()).toBeInstanceOf(ReferenceError);
expect(SyntaxError()).toBeInstanceOf(SyntaxError);
expect(new SyntaxError()).toBeInstanceOf(SyntaxError);
expect(TypeError()).toBeInstanceOf(TypeError);
expect(new TypeError()).toBeInstanceOf(TypeError);
});
});
test("message", () => {
expect(Error().message).toBe("");
expect(Error(undefined).message).toBe("");
expect(Error("test").message).toBe("test");
expect(Error(42).message).toBe("42");
expect(Error(null).message).toBe("null");
});