57 lines
2.5 KiB
JavaScript
57 lines
2.5 KiB
JavaScript
describe("normal behavior", () => {
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test("length is 2", () => {
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expect(SuppressedError).toHaveLength(3);
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});
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test("name is SuppressedError", () => {
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expect(SuppressedError.name).toBe("SuppressedError");
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});
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test("Prototype of the SuppressedError constructor is the Error constructor", () => {
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expect(Object.getPrototypeOf(SuppressedError)).toBe(Error);
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});
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test("Prototype of SuppressedError.prototype is Error.prototype", () => {
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expect(Object.getPrototypeOf(SuppressedError.prototype)).toBe(Error.prototype);
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});
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test("construction", () => {
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expect(SuppressedError()).toBeInstanceOf(SuppressedError);
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expect(SuppressedError(1)).toBeInstanceOf(SuppressedError);
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expect(SuppressedError(1, 1)).toBeInstanceOf(SuppressedError);
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expect(new SuppressedError()).toBeInstanceOf(SuppressedError);
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expect(new SuppressedError(1)).toBeInstanceOf(SuppressedError);
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expect(new SuppressedError(1, 1)).toBeInstanceOf(SuppressedError);
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expect(Object.hasOwn(new SuppressedError(1, 1), "message")).toBeFalse();
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expect(new SuppressedError().toString()).toBe("SuppressedError");
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expect(new SuppressedError(1).toString()).toBe("SuppressedError");
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expect(new SuppressedError(1, 1).toString()).toBe("SuppressedError");
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expect(new SuppressedError(undefined, undefined, "Foo").toString()).toBe(
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"SuppressedError: Foo"
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);
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expect(new SuppressedError(1, 1, "Foo").toString()).toBe("SuppressedError: Foo");
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expect(Object.hasOwn(new SuppressedError(), "error")).toBeTrue();
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expect(Object.hasOwn(new SuppressedError(), "suppressed")).toBeTrue();
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const obj = {};
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expect(new SuppressedError(obj).error).toBe(obj);
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expect(new SuppressedError(null, obj).suppressed).toBe(obj);
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});
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test("converts message to string", () => {
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expect(new SuppressedError(undefined, undefined, 1)).toHaveProperty("message", "1");
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expect(new SuppressedError(undefined, undefined, {})).toHaveProperty(
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"message",
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"[object Object]"
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);
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});
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test("supports options object with cause", () => {
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const cause = new Error();
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const error = new SuppressedError(1, 2, "test", { cause });
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expect(error.hasOwnProperty("cause")).toBeTrue();
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expect(error.cause).toBe(cause);
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const errorWithoutCase = new SuppressedError(1, 2, "test");
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expect(errorWithoutCase.hasOwnProperty("cause")).toBeFalse();
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});
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});
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