Add test coverage for Date.prototype.toTemporalInstant

This commit is contained in:
André Bargull 2024-11-05 14:23:29 +01:00 committed by Ms2ger
parent 437f9a7631
commit 26a396da14
8 changed files with 269 additions and 0 deletions

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Date.prototype.toTemporalInstant.length is 0.
info: |
Date.prototype.toTemporalInstant ( )
17 ECMAScript Standard Built-in Objects:
Every built-in function object, including constructors, has a "length"
property whose value is a non-negative integral Number. Unless otherwise
specified, this value is the number of required parameters shown in the
subclause heading for the function description. Optional parameters and rest
parameters are not included in the parameter count.
Unless otherwise specified, the "length" property of a built-in function
object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
[[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Date.prototype.toTemporalInstant, "length", {
value: 0,
writable: false,
enumerable: false,
configurable: true,
});

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Date.prototype.toTemporalInstant.name is "toTemporalInstant".
info: |
Date.prototype.toTemporalInstant ( )
17 ECMAScript Standard Built-in Objects:
Every built-in Function object, including constructors, that is not
identified as an anonymous function has a name property whose value
is a String.
Unless otherwise specified, the name property of a built-in Function
object, if it exists, has the attributes { [[Writable]]: false,
[[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Date.prototype.toTemporalInstant, "name", {
value: "toTemporalInstant",
writable: false,
enumerable: false,
configurable: true
});

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Date.prototype.toTemporalInstant does not implement [[Construct]]
info: |
ECMAScript Function Objects
Built-in function objects that are not identified as constructors do not
implement the [[Construct]] internal method unless otherwise specified in
the description of a particular function.
includes: [isConstructor.js]
features: [Temporal, Reflect.construct]
---*/
assert.sameValue(
isConstructor(Date.prototype.toTemporalInstant),
false,
'isConstructor(Date.prototype.toTemporalInstant) must return false'
);
var date = new Date(0);
assert.throws(TypeError, function() {
new date.toTemporalInstant();
});

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Property descriptor for Date.prototype.toTemporalInstant.
info: |
Date.prototype.toTemporalInstant ( )
17 ECMAScript Standard Built-in Objects:
Every other data property described in clauses 19 through 28 and in
Annex B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
[[Configurable]]: true } unless otherwise specified.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Date.prototype, "toTemporalInstant", {
writable: true,
enumerable: false,
configurable: true,
});

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Throws RangeError for invalid dates.
info: |
Date.prototype.toTemporalInstant ( )
...
3. Let t be dateObject.[[DateValue]].
4. Let ns be ? NumberToBigInt(t) × (10**6).
...
features: [Temporal]
---*/
var date = new Date(NaN);
assert.throws(RangeError, function() {
date.toTemporalInstant();
});

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Behaviour when "this" value is an Object without a [[DateValue]] internal slot
info: |
Date.prototype.toTemporalInstant ( )
1. Let dateObject be the this value.
2. Perform ? RequireInternalSlot(dateObject, [[DateValue]]).
...
features: [Temporal]
---*/
var toTemporalInstant = Date.prototype.toTemporalInstant;
var args = (function() {
return arguments;
}());
assert.sameValue(typeof toTemporalInstant, "function");
assert.throws(TypeError, function() {
toTemporalInstant.call({});
}, "ordinary object");
assert.throws(TypeError, function() {
toTemporalInstant.call([]);
}, "array exotic object");
assert.throws(TypeError, function() {
toTemporalInstant.call(args);
}, "arguments exotic object");
assert.throws(TypeError, function() {
toTemporalInstant.call(function(){});
}, "function object");
assert.throws(TypeError, function() {
toTemporalInstant.call(Date.prototype);
}, "Date.prototype");

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Behaviour when "this" value is not an Object
info: |
Date.prototype.toTemporalInstant ( )
1. Let dateObject be the this value.
2. Perform ? RequireInternalSlot(dateObject, [[DateValue]]).
...
features: [Temporal, Symbol, BigInt]
---*/
var toTemporalInstant = Date.prototype.toTemporalInstant;
var symbol = Symbol();
assert.sameValue(typeof toTemporalInstant, "function");
assert.throws(TypeError, function() {
toTemporalInstant.call(0);
}, "number");
assert.throws(TypeError, function() {
toTemporalInstant.call(true);
}, "boolean");
assert.throws(TypeError, function() {
toTemporalInstant.call(null);
}, "null");
assert.throws(TypeError, function() {
toTemporalInstant.call(undefined);
}, "undefined");
assert.throws(TypeError, function() {
toTemporalInstant.call("");
}, "string");
assert.throws(TypeError, function() {
toTemporalInstant.call(symbol);
}, "symbol");
assert.throws(TypeError, function() {
toTemporalInstant.call(0n);
}, "bigint");

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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-date.prototype.totemporalinstant
description: >
Return value for valid dates.
info: |
Date.prototype.toTemporalInstant ( )
...
3. Let t be dateObject.[[DateValue]].
4. Let ns be ? NumberToBigInt(t) × (10**6).
5. Return ! CreateTemporalInstant(ns).
features: [Temporal, BigInt]
---*/
assert.sameValue(
new Date(0).toTemporalInstant().epochNanoseconds,
0n,
"the (Unix) epoch"
);
assert.sameValue(
new Date(123_456_789).toTemporalInstant().epochNanoseconds,
123_456_789_000_000n,
"date after the (Unix) epoch"
);
assert.sameValue(
new Date(-123_456_789).toTemporalInstant().epochNanoseconds,
-123_456_789_000_000n,
"date before the (Unix) epoch"
);
assert.sameValue(
new Date(-8.64e15).toTemporalInstant().epochNanoseconds,
-8640_000_000_000_000_000_000n,
"start of time"
);
assert.sameValue(
new Date(8.64e15).toTemporalInstant().epochNanoseconds,
8640_000_000_000_000_000_000n,
"end of time"
);