50 lines
2.3 KiB
JavaScript
50 lines
2.3 KiB
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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let descriptor = Object.getOwnPropertyDescriptor(
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Intl.DateTimeFormat.prototype, "formatRange");
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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const date1 = new Date("2019-1-3");
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const date2 = new Date("2019-1-5");
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const date3 = new Date("2019-3-4");
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const date4 = new Date("2020-3-4");
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var dtf = new Intl.DateTimeFormat(["en"]);
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assertThrows(() => dtf.formatRange(), RangeError);
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assertThrows(() => dtf.formatRange(date1), RangeError);
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assertThrows(() => dtf.formatRange(undefined, date2), RangeError);
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assertThrows(() => dtf.formatRange(date1, undefined), RangeError);
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assertThrows(() => dtf.formatRange("2019-1-3", date2), RangeError);
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assertThrows(() => dtf.formatRange(date1, "2019-5-4"), RangeError);
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assertThrows(() => dtf.formatRange(date2, date1), RangeError);
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assertDoesNotThrow(() =>dtf.formatRange(date1, date2));
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assertEquals("1/3/2019 – 1/5/2019", dtf.formatRange(date1, date2));
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assertEquals("1/3/2019 – 3/4/2019", dtf.formatRange(date1, date3));
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assertEquals("1/3/2019 – 3/4/2020", dtf.formatRange(date1, date4));
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assertEquals("1/5/2019 – 3/4/2019", dtf.formatRange(date2, date3));
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assertEquals("1/5/2019 – 3/4/2020", dtf.formatRange(date2, date4));
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assertEquals("3/4/2019 – 3/4/2020", dtf.formatRange(date3, date4));
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dtf = new Intl.DateTimeFormat(["en"], {year: "numeric", month: "short", day: "numeric"});
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assertEquals("Jan 3 – 5, 2019", dtf.formatRange(date1, date2));
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assertEquals("Jan 3 – Mar 4, 2019", dtf.formatRange(date1, date3));
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assertEquals("Jan 3, 2019 – Mar 4, 2020", dtf.formatRange(date1, date4));
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assertEquals("Jan 5 – Mar 4, 2019", dtf.formatRange(date2, date3));
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assertEquals("Jan 5, 2019 – Mar 4, 2020", dtf.formatRange(date2, date4));
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assertEquals("Mar 4, 2019 – Mar 4, 2020", dtf.formatRange(date3, date4));
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// Test the sequence of ToNumber and TimeClip
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var secondDateAccessed = false;
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assertThrows(
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() =>
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dtf.formatRange(
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new Date(864000000*10000000 + 1), // a date will cause TimeClip return NaN
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{ get [Symbol.toPrimitive]() { secondDateAccessed = true; return {}} }),
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TypeError);
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assertTrue(secondDateAccessed);
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