Add tests for Date.UTC

test/built-ins/Date/UTC/coercion-errors.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Abrupt completions from coercing input values
+info: |
+  1. Let y be ? ToNumber(year).
+  2. Let m be ? ToNumber(month).
+  3. If date is supplied, let dt be ? ToNumber(date); else let dt be 1.
+  4. If hours is supplied, let h be ? ToNumber(hours); else let h be 0.
+  5. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0.
+  6. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0.
+  7. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0.
+  8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y);
+     otherwise, let yr be y.
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+---*/
+
+var thrower = { toString: function() { throw new Test262Error(); } };
+var counter = { toString: function() { callCount += 1; } };
+var callCount = 0;
+
+assert.throws(Test262Error, function() {
+  new Date(thrower, counter);
+}, 'year');
+assert.sameValue(callCount, 0, 'coercion halts following error from "year"');
+
+assert.throws(Test262Error, function() {
+  new Date(0, thrower, counter);
+}, 'month');
+assert.sameValue(callCount, 0, 'coercion halts following error from "month"');
+
+assert.throws(Test262Error, function() {
+  new Date(0, 0, thrower, counter);
+}, 'date');
+assert.sameValue(callCount, 0, 'coercion halts following error from "date"');
+
+assert.throws(Test262Error, function() {
+  new Date(0, 0, 1, thrower, counter);
+}, 'hours');
+assert.sameValue(callCount, 0, 'coercion halts following error from "hours"');
+
+assert.throws(Test262Error, function() {
+  new Date(0, 0, 1, 0, thrower, counter);
+}, 'minutes');
+assert.sameValue(
+  callCount, 0, 'coercion halts following error from "minutes"'
+);
+
+assert.throws(Test262Error, function() {
+  new Date(0, 0, 1, 0, 0, thrower, counter);
+}, 'seconds');
+assert.sameValue(
+  callCount, 0, 'coercion halts following error from "seconds"'
+);
+
+assert.throws(Test262Error, function() {
+  new Date(0, 0, 1, 0, 0, 0, thrower);
+}, 'ms');

test/built-ins/Date/UTC/coercion-order.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Order of input coercion
+info: |
+  1. Let y be ? ToNumber(year).
+  2. Let m be ? ToNumber(month).
+  3. If date is supplied, let dt be ? ToNumber(date); else let dt be 1.
+  4. If hours is supplied, let h be ? ToNumber(hours); else let h be 0.
+  5. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0.
+  6. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0.
+  7. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0.
+  8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y);
+     otherwise, let yr be y.
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+---*/
+
+var log = '';
+var year = { toString: function() { log += 'year'; return 0; } };
+var month = { toString: function() { log += 'month'; return 0; } };
+var date = { toString: function() { log += 'date'; return 1; } };
+var hours = { toString: function() { log += 'hours'; return 0; } };
+var minutes = { toString: function() { log += 'minutes'; return 0; } };
+var seconds = { toString: function() { log += 'seconds'; return 0; } };
+var ms = { toString: function() { log += 'ms'; return 0; } };
+
+new Date(year, month, date, hours,minutes, seconds, ms);
+
+assert.sameValue(log, 'yearmonthdatehoursminutessecondsms');

test/built-ins/Date/UTC/infinity-make-day.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Infinite values specified to MakeDay produce NaN
+info: |
+  [...]
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+
+  MakeDay (year, month, date)
+
+  1. If year is not finite or month is not finite or date is not finite, return
+     NaN.
+---*/
+
+assert.sameValue(Date.UTC(Infinity, 0), NaN, 'year: Infinity');
+assert.sameValue(Date.UTC(-Infinity, 0), NaN, 'year: -Infinity');
+
+assert.sameValue(Date.UTC(0, Infinity), NaN, 'month: Infinity');
+assert.sameValue(Date.UTC(0, -Infinity), NaN, 'month: -Infinity');
+
+assert.sameValue(Date.UTC(0, 0, Infinity), NaN, 'date: Infinity');
+assert.sameValue(Date.UTC(0, 0, -Infinity), NaN, 'date: -Infinity');

test/built-ins/Date/UTC/infinity-make-time.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Infinite values specified to MakeTime produce NaN
+info: |
+  [...]
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+
+  MakeTime (hour, min, sec, ms)
+
+  1. If hour is not finite or min is not finite or sec is not finite or ms is
+     not finite, return NaN.
+---*/
+
+assert.sameValue(Date.UTC(0, 0, 1, Infinity), NaN, 'hour: Infinity');
+assert.sameValue(Date.UTC(0, 0, 1, -Infinity), NaN, 'hour: -Infinity');
+
+assert.sameValue(Date.UTC(0, 0, 1, 0, Infinity), NaN, 'minute: Infinity');
+assert.sameValue(Date.UTC(0, 0, 1, 0, -Infinity), NaN, 'minute: -Infinity');
+
+assert.sameValue(Date.UTC(0, 0, 1, 0, 0, Infinity), NaN, 'second: Infinity');
+assert.sameValue(Date.UTC(0, 0, 1, 0, 0, -Infinity), NaN, 'second: -Infinity');
+
+assert.sameValue(Date.UTC(0, 0, 1, 0, 0, 0, Infinity), NaN, 'ms: Infinity');
+assert.sameValue(Date.UTC(0, 0, 1, 0, 0, 0, -Infinity), NaN, 'ms: -Infinity');

test/built-ins/Date/UTC/nans.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: NaN value handling
+info: |
+  1. Let y be ? ToNumber(year).
+  2. Let m be ? ToNumber(month).
+  3. If date is supplied, let dt be ? ToNumber(date); else let dt be 1.
+  4. If hours is supplied, let h be ? ToNumber(hours); else let h be 0.
+  5. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0.
+  6. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0.
+  7. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0.
+  8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y);
+     otherwise, let yr be y.
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+---*/
+
+assert.sameValue(new Date(NaN, 0).getTime(), NaN, 'year');
+assert.sameValue(new Date(1970, NaN).getTime(), NaN, 'month');
+assert.sameValue(new Date(1970, 0, NaN).getTime(), NaN, 'date');
+assert.sameValue(new Date(1970, 0, 1, NaN).getTime(), NaN, 'hours');
+assert.sameValue(new Date(1970, 0, 1, 0, NaN).getTime(), NaN, 'minutes');
+assert.sameValue(new Date(1970, 0, 1, 0, 0, NaN).getTime(), NaN, 'seconds');
+assert.sameValue(new Date(1970, 0, 1, 0, 0, 0, NaN).getTime(), NaN, 'ms');

test/built-ins/Date/UTC/overflow-make-day.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Values specified to MakeDay exceed their calendar boundaries
+info: |
+  [...]
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+
+  MakeDay (year, month, date)
+
+  [...]
+  5. Let ym be y + floor(m / 12).
+  [...]
+  7. Find a value t such that YearFromTime(t) is ym and MonthFromTime(t) is mn
+     and DateFromTime(t) is 1; but if this is not possible (because some
+     argument is out of range), return NaN.
+  8. Return Day(t) + dt - 1.
+---*/
+
+assert.sameValue(Date.UTC(2016, 12), 1483228800000, 'month: 12');
+assert.sameValue(Date.UTC(2016, 13), 1485907200000, 'month: 13');
+assert.sameValue(Date.UTC(2016, 144), 1830297600000, 'month: 144');
+
+assert.sameValue(Date.UTC(2016, 0, 33), 1454371200000, 'day greater than month');
+assert.sameValue(Date.UTC(2016, 2, -27), 1454371200000, 'day negative value');

test/built-ins/Date/UTC/overflow-make-time.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Values specified to MakeTime exceed their time boundaries
+info: |
+  [...]
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+
+  MakeTime (hour, min, sec, ms)
+
+  1. If hour is not finite or min is not finite or sec is not finite or ms is
+     not finite, return NaN.
+  2. Let h be ToInteger(hour).
+  3. Let m be ToInteger(min).
+  4. Let s be ToInteger(sec).
+  5. Let milli be ToInteger(ms).
+  6. Let t be h * msPerHour + m * msPerMinute + s * msPerSecond + milli,
+     performing the arithmetic according to IEEE 754-2008 rules (that is, as if
+     using the ECMAScript operators * and +).
+  7. Return t.
+---*/
+
+assert.sameValue(Date.UTC(2016, 6, 5, -1), 1467673200000, 'hour: -1');
+assert.sameValue(Date.UTC(2016, 6, 5, 24), 1467763200000, 'hour: 24');
+assert.sameValue(Date.UTC(2016, 6, 5, 0, -1), 1467676740000, 'minute: -1');
+assert.sameValue(Date.UTC(2016, 6, 5, 0, 60), 1467680400000, 'minute: 60');
+assert.sameValue(Date.UTC(2016, 6, 5, 0, 0, -1), 1467676799000, 'second: -1');
+assert.sameValue(Date.UTC(2016, 6, 5, 0, 0, 60), 1467676860000, 'second: 60');
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 0, 0, 0, -1), 1467676799999, 'millisecond: -1'
+);
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 0, 0, 0, 1000), 1467676801000, 'millisecond: 1000'
+);

test/built-ins/Date/UTC/return-value.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Return value of `Date.UTC`
+info: |
+  1. Let y be ? ToNumber(year).
+  2. Let m be ? ToNumber(month).
+  3. If date is supplied, let dt be ? ToNumber(date); else let dt be 1.
+  4. If hours is supplied, let h be ? ToNumber(hours); else let h be 0.
+  5. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0.
+  6. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0.
+  7. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0.
+  8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y);
+     otherwise, let yr be y.
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+---*/
+
+assert.sameValue(Date.UTC(1970, 0), 0, '1970, 0');
+assert.sameValue(Date.UTC(2016, 0), 1451606400000, '2016, 0');
+assert.sameValue(Date.UTC(2016, 6), 1467331200000, '2016, 6');
+
+assert.sameValue(Date.UTC(2016, 6, 1), 1467331200000, '2016, 6, 1');
+assert.sameValue(Date.UTC(2016, 6, 5), 1467676800000, '2016, 6, 5');
+
+assert.sameValue(Date.UTC(2016, 6, 5, 0), 1467676800000, '2016, 6, 5, 0');
+assert.sameValue(Date.UTC(2016, 6, 5, 15), 1467730800000, '2016, 6, 5, 15');
+
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 0), 1467730800000, '2016, 6, 5, 15, 0'
+);
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 34), 1467732840000, '2016, 6, 5, 15, 34'
+);
+
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 34, 0), 1467732840000, '2016, 6, 5, 15, 34, 0'
+);
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 34, 45), 1467732885000, '2016, 6, 5, 15, 34, 45'
+);
+
+
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 34, 45, 0),
+  1467732885000,
+  '2016, 6, 5, 15, 34, 45, 0'
+);
+assert.sameValue(
+  Date.UTC(2016, 6, 5, 15, 34, 45, 876),
+  1467732885876,
+  '2016, 6, 5, 15, 34, 45, 0'
+);

test/built-ins/Date/UTC/time-clip.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Time clipping
+info: |
+  [...]
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+
+  TimeClip (time)
+
+  1. If time is not finite, return NaN.
+  2. If abs(time) > 8.64 × 1015, return NaN.
+---*/
+
+assert.notSameValue(Date.UTC(275760, 8, 13, 0, 0, 0, 0), NaN);
+assert.sameValue(Date.UTC(275760, 8, 13, 0, 0, 0, 1), NaN);

test/built-ins/Date/UTC/year-offset.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+es6id: 20.3.3.4
+description: Conditional offset of provided `year` value
+info: |
+  1. Let y be ? ToNumber(year).
+  [...]
+  8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y);
+     otherwise, let yr be y.
+  9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 
+---*/
+
+assert.sameValue(Date.UTC(-1, 0), -62198755200000, '-1 (no offset)');
+
+assert.sameValue(Date.UTC(0, 0), -2208988800000, '+0');
+assert.sameValue(Date.UTC(-0, 0), -2208988800000, '-0');
+assert.sameValue(Date.UTC(-0.999999, 0), -2208988800000, '-0.999999');
+
+assert.sameValue(Date.UTC(70, 0), 0, '70');
+assert.sameValue(Date.UTC(70, 0), 0, '70.999999');
+
+assert.sameValue(Date.UTC(99, 0), 915148800000, '99');
+assert.sameValue(Date.UTC(99.999999, 0), 915148800000, '99.999999');
+
+assert.sameValue(Date.UTC(100, 0), -59011459200000, '100 (no offset)');