LibJS: Implement Temporal.PlainTime.prototype.with

Author: https://github.com/trflynn89
Commit: a0df194528
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2535

Libraries/LibJS/Tests/builtins/Temporal/PlainTime/PlainTime.prototype.with.js

@@ -0,0 +1,203 @@
+const PLAIN_TIME_PROPERTIES = [
+    "hour",
+    "minute",
+    "second",
+    "millisecond",
+    "microsecond",
+    "nanosecond",
+];
+
+const REJECTED_CALENDAR_TYPES_THREE_ARGUMENTS = [
+    Temporal.PlainDate,
+    // Temporal.PlainDateTime,
+    Temporal.PlainTime,
+];
+
+const REJECTED_CALENDAR_TYPES_TWO_ARGUMENTS = [Temporal.PlainMonthDay, Temporal.PlainYearMonth];
+
+describe("correct behavior", () => {
+    test("length is 1", () => {
+        expect(Temporal.PlainTime.prototype.with).toHaveLength(1);
+    });
+
+    test("basic functionality", () => {
+        const plainTime = new Temporal.PlainTime(1, 2, 3).with({ hour: 4, foo: 5, second: 6 });
+        expect(plainTime.hour).toBe(4);
+        expect(plainTime.minute).toBe(2);
+        expect(plainTime.second).toBe(6);
+    });
+
+    test("each property is looked up from the object", () => {
+        for (const property of PLAIN_TIME_PROPERTIES) {
+            const plainTime = new Temporal.PlainTime().with({ [property]: 1 });
+            expect(plainTime[property]).toBe(1);
+        }
+    });
+
+    test("each property is coerced to number", () => {
+        for (const property of PLAIN_TIME_PROPERTIES) {
+            const plainTime = new Temporal.PlainTime().with({ [property]: "1" });
+            expect(plainTime[property]).toBe(1);
+        }
+    });
+
+    test("argument can have a calendar property as long as it's undefined", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                calendar: undefined,
+            });
+        }).not.toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+    });
+
+    test("argument can have a timeZone property as long as it's undefined", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                timeZone: undefined,
+            });
+        }).not.toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+    });
+});
+
+describe("errors", () => {
+    test("this value must be a Temporal.PlainTime object", () => {
+        expect(() => {
+            Temporal.PlainTime.prototype.with.call("foo");
+        }).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainTime");
+    });
+
+    test("argument is not an object", () => {
+        expect(() => {
+            new Temporal.PlainTime().with("foo");
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+        expect(() => {
+            new Temporal.PlainTime().with(42);
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+    });
+
+    test("options is not an object", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({ hour: 1 }, "foo");
+        }).toThrowWithMessage(TypeError, "Options is not an object");
+        expect(() => {
+            new Temporal.PlainTime().with({ hour: 1 }, 42);
+        }).toThrowWithMessage(TypeError, "Options is not an object");
+    });
+
+    test("invalid overflow option", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({ hour: 1 }, { overflow: "a" });
+        }).toThrowWithMessage(RangeError, "a is not a valid value for option overflow");
+    });
+
+    test("argument is an invalid plain time-like object", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({});
+        }).toThrowWithMessage(TypeError, "Invalid time");
+        expect(() => {
+            new Temporal.PlainTime().with({ foo: 1, bar: 2 });
+        }).toThrowWithMessage(TypeError, "Invalid time");
+    });
+
+    test("error when coercing property to number", () => {
+        for (const property of PLAIN_TIME_PROPERTIES) {
+            expect(() => {
+                new Temporal.PlainTime().with({
+                    [property]: {
+                        valueOf() {
+                            throw new Error("error occurred");
+                        },
+                    },
+                });
+            }).toThrowWithMessage(Error, "error occurred");
+        }
+    });
+
+    test("property must be finite", () => {
+        for (const property of PLAIN_TIME_PROPERTIES) {
+            expect(() => {
+                new Temporal.PlainTime().with({ [property]: Infinity });
+            }).toThrowWithMessage(
+                RangeError,
+                `Invalid value Infinity for time field '${property}'`
+            );
+            expect(() => {
+                new Temporal.PlainTime().with({ [property]: -Infinity });
+            }).toThrowWithMessage(
+                RangeError,
+                `Invalid value -Infinity for time field '${property}'`
+            );
+        }
+    });
+
+    test("error when getting property", () => {
+        for (const property of PLAIN_TIME_PROPERTIES) {
+            expect(() => {
+                new Temporal.PlainTime().with({
+                    get [property]() {
+                        throw new Error("error occurred");
+                    },
+                });
+            }).toThrowWithMessage(Error, "error occurred");
+        }
+    });
+
+    test("argument must not have a defined calendar property", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                calendar: null,
+            });
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+        expect(() => {
+            new Temporal.PlainTime().with({
+                calendar: 1,
+            });
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+    });
+
+    test("argument must not have a defined timeZone property", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                timeZone: null,
+            });
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+        expect(() => {
+            new Temporal.PlainTime().with({
+                timeZone: 1,
+            });
+        }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+    });
+
+    test("error when getting calendar", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                get calendar() {
+                    throw new Error("error occurred");
+                },
+            });
+        }).toThrowWithMessage(Error, "error occurred");
+    });
+
+    test("error when getting timeZone", () => {
+        expect(() => {
+            new Temporal.PlainTime().with({
+                get timeZone() {
+                    throw new Error("error occurred");
+                },
+            });
+        }).toThrowWithMessage(Error, "error occurred");
+    });
+
+    test("rejects calendar types", () => {
+        for (const typeWithCalendar of REJECTED_CALENDAR_TYPES_THREE_ARGUMENTS) {
+            expect(() => {
+                new Temporal.PlainTime().with(new typeWithCalendar(1, 1, 1));
+            }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+        }
+
+        for (const typeWithCalendar of REJECTED_CALENDAR_TYPES_TWO_ARGUMENTS) {
+            expect(() => {
+                new Temporal.PlainTime().with(new typeWithCalendar(1, 1));
+            }).toThrowWithMessage(TypeError, "Object must be a partial Temporal object");
+        }
+    });
+});