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LibJS: Add tests cases for %TypedArray%.prototype.toSorted function
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const TYPED_ARRAYS = [
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Uint8Array,
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Uint8ClampedArray,
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Uint16Array,
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Uint32Array,
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Int8Array,
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Int16Array,
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Int32Array,
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Float32Array,
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Float64Array,
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];
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const BIGINT_TYPED_ARRAYS = [BigUint64Array, BigInt64Array];
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test("basic functionality", () => {
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TYPED_ARRAYS.forEach(T => {
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expect(T.prototype.toSorted).toHaveLength(1);
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const typedArray = new T([3, 1, 2]);
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let sortedtypedArray = typedArray.toSorted();
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expect(sortedtypedArray).not.toBe(typedArray);
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expect(sortedtypedArray[0]).toBe(1);
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expect(sortedtypedArray[1]).toBe(2);
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expect(sortedtypedArray[2]).toBe(3);
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sortedtypedArray = typedArray.toSorted(() => 0);
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expect(sortedtypedArray).not.toBe(typedArray);
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expect(sortedtypedArray[0]).toBe(3);
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expect(sortedtypedArray[1]).toBe(1);
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expect(sortedtypedArray[2]).toBe(2);
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});
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BIGINT_TYPED_ARRAYS.forEach(T => {
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expect(T.prototype.toSorted).toHaveLength(1);
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const typedArray = new T([3n, 1n, 2n]);
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let sortedtypedArray = typedArray.toSorted();
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expect(sortedtypedArray).not.toBe(typedArray);
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expect(sortedtypedArray[0]).toBe(1n);
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expect(sortedtypedArray[1]).toBe(2n);
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expect(sortedtypedArray[2]).toBe(3n);
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sortedtypedArray = typedArray.toSorted(() => 0);
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expect(sortedtypedArray).not.toBe(typedArray);
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expect(sortedtypedArray[0]).toBe(3n);
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expect(sortedtypedArray[1]).toBe(1n);
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expect(sortedtypedArray[2]).toBe(2n);
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});
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});
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describe("errors", () => {
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test("null or undefined this value", () => {
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TYPED_ARRAYS.forEach(T => {
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expect(() => {
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T.prototype.toSorted.call();
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}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
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expect(() => {
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T.prototype.toSorted.call(undefined);
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}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
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expect(() => {
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T.prototype.toSorted.call(null);
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}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
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});
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BIGINT_TYPED_ARRAYS.forEach(T => {});
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});
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test("invalid compare function", () => {
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TYPED_ARRAYS.forEach(T => {
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expect(() => {
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new T([]).toSorted("foo");
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}).toThrowWithMessage(TypeError, "foo is not a function");
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});
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BIGINT_TYPED_ARRAYS.forEach(T => {
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expect(() => {
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new T([]).toSorted("foo");
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}).toThrowWithMessage(TypeError, "foo is not a function");
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});
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});
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});
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