Add upsert tests (#4454)

These tests are currently being executed in SpiderMonkey as `non262` tests,
and were exported using the `test262-export.py` script. Linting errors
were then corrected.

Author: dminor

features.txt

@@ -96,6 +96,10 @@ iterator-sequencing
 # https://github.com/tc39/proposal-canonical-tz
 canonical-tz
 
+# Upsert
+# https://github.com/tc39/proposal-upsert
+upsert
+
 ## Standard language features
 #
 # Language features that have been included in a published version of the

test/staging/upsert/Map/getOrInsert/append-new-values-normalizes-zero-key.js

@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Jonas Haukenes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Append a new value in the map normalizing +0 and -0.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  ...
+  3. Set key to CanonicalizeKeyedCollectionKey(key).
+  4. For each Record { [[Key]], [[Value]] } p of M.[[MapData]], do
+    a. If p.[[Key]] is not empty and SameValue(p.[[Key]], key) is true, return p.[[Value]].
+  5. Let p be the Record { [[Key]]: key, [[Value]]: value }.
+  6. Append p to M.[[MapData]].
+  ...
+features: [Symbol, upsert]
+flags: [noStrict]
+---*/
+var map = new Map();
+map.getOrInsert(-0, 42);
+assert.sameValue(map.get(0), 42);
+
+map = new Map();
+map.getOrInsert(+0, 43);
+assert.sameValue(map.get(0), 43);
+

test/staging/upsert/Map/getOrInsert/append-new-values.js

@@ -0,0 +1,50 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Jonas Haukenes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Append a new value as the last element of entries.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  ...
+  3. Set key to CanonicalizeKeyedCollectionKey(key).
+  4. For each Record { [[Key]], [[Value]] } p of M.[[MapData]], do
+    a. If p.[[Key]] is not empty and SameValue(p.[[Key]], key) is true, return p.[[Value]].
+  5. Let p be the Record { [[Key]]: key, [[Value]]: value }.
+  6. Append p to M.[[MapData]].
+  ...
+features: [Symbol, upsert]
+flags: [noStrict]
+---*/
+var s = Symbol(2);
+var map = new Map([[4, 4], ['foo3', 3], [s, 2]]);
+
+map.getOrInsert(null, 42);
+map.getOrInsert(1, 'valid');
+
+assert.sameValue(map.size, 5);
+assert.sameValue(map.get(1), 'valid');
+
+var results = [];
+
+map.forEach(function(value, key) {
+  results.push({
+    value: value,
+    key: key
+  });
+});
+
+var result = results.pop();
+assert.sameValue(result.value, 'valid');
+assert.sameValue(result.key, 1);
+
+result = results.pop();
+assert.sameValue(result.value, 42);
+assert.sameValue(result.key, null);
+
+result = results.pop();
+assert.sameValue(result.value, 2);
+assert.sameValue(result.key, s);
+

test/staging/upsert/Map/getOrInsert/append-value-if-key-is-not-present-different-key-types.js

@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Sune Eriksson Lianes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Inserts the value for the specified key on different types, when key not present.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  ...
+  5. Let p be the Record { [[Key]]: key, [[Value]]: value }.
+  6. Append p to M.[[MapData]].
+  ...
+features: [Symbol, upsert]
+flags: [noStrict]
+---*/
+var map = new Map();
+
+map.getOrInsert('bar', 0);
+assert.sameValue(map.get('bar'), 0);
+
+map.getOrInsert(1, 42);
+assert.sameValue(map.get(1), 42);
+
+map.getOrInsert(NaN, 1);
+assert.sameValue(map.get(NaN), 1);
+
+var item = {};
+map.getOrInsert(item, 2);
+assert.sameValue(map.get(item), 2);
+
+item = [];
+map.getOrInsert(item, 3);
+assert.sameValue(map.get(item), 3);
+
+item = Symbol('item');
+map.getOrInsert(item, 4);
+assert.sameValue(map.get(item), 4);
+
+item = null;
+map.getOrInsert(item, 5);
+assert.sameValue(map.get(item), 5);
+
+item = undefined;
+map.getOrInsert(item, 6);
+assert.sameValue(map.get(item), 6);
+

test/staging/upsert/Map/getOrInsert/does-not-have-mapdata-internal-slot-set.js

@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Sune Eriksson Lianes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Throws a TypeError if `this` is a Set Object
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  ...
+  1. Let M be the this value.
+  2. Perform ? RequireInternalSlot(M, [[MapData]])
+  ...
+features: [Set, upsert]
+flags: [noStrict]
+---*/
+assert.throws(TypeError, function () {
+  Map.prototype.getOrInsert.call(new Set(), 1, 1);
+});
+
+assert.throws(TypeError, function () {
+  var map = new Map();
+  map.getOrInsert.call(new Set(), 1, 1);
+});
+

test/staging/upsert/Map/getOrInsert/does-not-have-mapdata-internal-slot-weakmap.js

@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Sune Eriksson Lianes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Throws a TypeError if `this` is a WeakMap object.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  ...
+  1. Let M be the this value.
+  2. Perform ? RequireInternalSlot(M, [[MapData]]).
+  ...
+features: [WeakMap, upsert]
+flags: [noStrict]
+---*/
+assert.throws(TypeError, function() {
+  Map.prototype.getOrInsert.call(new WeakMap(), 1, 1);
+});
+
+assert.throws(TypeError, function() {
+  var map = new Map();
+  map.getOrInsert.call(new WeakMap(), 1, 1);
+});
+

test/staging/upsert/Map/getOrInsert/does-not-have-mapdata-internal-slot.js

@@ -0,0 +1,35 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Sune Eriksson Lianes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Throws a TypeError if `this` object does not have a [[MapData]] internal slot.
+info: |
+  Map.getOrInsert ( key , value )
+
+  ...
+  1. Let M be the this value.
+  2. Perform ? RequireInternalSLot(M, [[MapData]])
+  ...
+features: [upsert]
+flags: [noStrict]
+---*/
+var map = new Map();
+
+assert.throws(TypeError, function () {
+    Map.prototype.getOrInsert.call([], 1, 1);
+});
+
+assert.throws(TypeError, function () {
+    map.getOrInsert.call([], 1, 1);
+});
+
+assert.throws(TypeError, function () {
+    Map.prototype.getOrInsert.call({}, 1, 1);
+});
+
+assert.throws(TypeError, function () {
+    map.getOrInsert.call({}, 1, 1);
+});
+

test/staging/upsert/Map/getOrInsert/getOrInsert.js

@@ -0,0 +1,30 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Jonas Haukenes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Property type and descriptor.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+features: [upsert]
+flags: [noStrict]
+---*/
+assert.sameValue(
+  typeof Map.prototype.getOrInsert,
+  'function',
+  '`typeof Map.prototype.getOrInsert` is `function`'
+);
+
+
+verifyProperty(Map.prototype, "getOrInsert", {
+  value: Map.prototype.getOrInsert,
+  writable: true,
+  enumerable: false,
+  configurable: true
+});
+
+

test/staging/upsert/Map/getOrInsert/length.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Jonas Haukenes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Map.prototype.getOrInsert.length value and descriptor.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+features: [upsert]
+flags: [noStrict]
+---*/
+verifyProperty(Map.prototype.getOrInsert, "length", {
+  value: 2,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
+

test/staging/upsert/Map/getOrInsert/name.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// Copyright (C) 2024 Jonas Haukenes. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: proposal-upsert
+description: |
+  Map.prototype.getOrInsert.name value and descriptor.
+info: |
+  Map.prototype.getOrInsert ( key , value )
+
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+features: [upsert]
+flags: [noStrict]
+---*/
+verifyProperty(Map.prototype.getOrInsert, "name", {
+  value: "getOrInsert",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
+