Libraries: Move to Userland/Libraries/

Libraries/LibJS/Tests/operators/assignment-operators.js

@@ -1,135 +0,0 @@
-let x, o;
-
-test("basic functionality", () => {
-    x = 1;
-    expect((x = 2)).toBe(2);
-    expect(x).toBe(2);
-
-    x = 1;
-    expect((x += 2)).toBe(3);
-    expect(x).toBe(3);
-
-    x = 3;
-    expect((x -= 2)).toBe(1);
-    expect(x).toBe(1);
-
-    x = 3;
-    expect((x *= 2)).toBe(6);
-    expect(x).toBe(6);
-
-    x = 6;
-    expect((x /= 2)).toBe(3);
-    expect(x).toBe(3);
-
-    x = 6;
-    expect((x %= 4)).toBe(2);
-    expect(x).toBe(2);
-
-    x = 2;
-    expect((x **= 3)).toBe(8);
-    expect(x).toBe(8);
-
-    x = 3;
-    expect((x &= 2)).toBe(2);
-    expect(x).toBe(2);
-
-    x = 3;
-    expect((x |= 4)).toBe(7);
-    expect(x).toBe(7);
-
-    x = 6;
-    expect((x ^= 2)).toBe(4);
-    expect(x).toBe(4);
-
-    x = 2;
-    expect((x <<= 2)).toBe(8);
-    expect(x).toBe(8);
-
-    x = 8;
-    expect((x >>= 2)).toBe(2);
-    expect(x).toBe(2);
-
-    x = -(2 ** 32 - 10);
-    expect((x >>>= 2)).toBe(2);
-    expect(x).toBe(2);
-});
-
-test("logical assignment operators", () => {
-    // short circuiting evaluation
-    x = false;
-    expect((x &&= expect.fail())).toBeFalse();
-
-    x = true;
-    expect((x ||= expect.fail())).toBeTrue();
-
-    x = "foo";
-    expect((x ??= expect.fail())).toBe("foo");
-
-    const prepareObject = (shortCircuitValue, assignmentValue) => ({
-        get shortCircuit() {
-            return shortCircuitValue;
-        },
-        set shortCircuit(_) {
-            // assignment will short circuit in all test cases
-            // so its setter must never be called
-            expect().fail();
-        },
-        assignment: assignmentValue,
-    });
-
-    o = prepareObject(false, true);
-    expect((o.shortCircuit &&= "foo")).toBeFalse();
-    expect(o.shortCircuit).toBeFalse();
-    expect((o.assignment &&= "bar")).toBe("bar");
-    expect(o.assignment).toBe("bar");
-
-    o = prepareObject(true, false);
-    expect((o.shortCircuit ||= "foo")).toBeTrue();
-    expect(o.shortCircuit).toBeTrue();
-    expect((o.assignment ||= "bar")).toBe("bar");
-    expect(o.assignment).toBe("bar");
-
-    o = prepareObject("test", null);
-    expect((o.shortCircuit ??= "foo")).toBe("test");
-    expect(o.shortCircuit).toBe("test");
-    expect((o.assignment ??= "bar")).toBe("bar");
-    expect(o.assignment).toBe("bar");
-});
-
-test("evaluation order", () => {
-    for (const op of [
-        "=",
-        "+=",
-        "-=",
-        "*=",
-        "/=",
-        "%=",
-        "**=",
-        "&=",
-        "|=",
-        "^=",
-        "<<=",
-        ">>=",
-        ">>>=",
-        "&&=",
-        "||=",
-        "??=",
-    ]) {
-        var a = [];
-        function b() {
-            b.hasBeenCalled = true;
-            throw Error();
-        }
-        function c() {
-            c.hasBeenCalled = true;
-            throw Error();
-        }
-        b.hasBeenCalled = false;
-        c.hasBeenCalled = false;
-        expect(() => {
-            new Function(`a[b()] ${op} c()`)();
-        }).toThrow(Error);
-        expect(b.hasBeenCalled).toBeTrue();
-        expect(c.hasBeenCalled).toBeFalse();
-    }
-});