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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --experimental-d8-web-snapshot-api --allow-natives-syntax
'use strict';
d8.file.execute('test/mjsunit/web-snapshot/web-snapshot-helpers.js');
(function TestObjectWithPackedElements() {
function createObjects() {
globalThis.foo = {
'0': 'zero', '1': 'one', '2': 'two', '3': 'three'
};
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
// Objects always get HOLEY_ELEMENTS; no PACKED or SMI_ELEMENTS.
const elementsKindTest = {0: 0, 1: 1, 2: 2};
assertFalse(%HasPackedElements(elementsKindTest));
assertFalse(%HasSmiElements(elementsKindTest));
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('zeroonetwothree', foo[0] + foo[1] + foo[2] + foo[3]);
})();
(function TestObjectWithPackedSmiElements() {
function createObjects() {
globalThis.foo = {
'0': 0, '1': 1, '2': 2, '3': 3
};
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('0123', '' + foo[0] + foo[1] + foo[2] + foo[3]);
})();
(function TestObjectWithHoleyElements() {
function createObjects() {
globalThis.foo = {
'1': 'a', '11': 'b', '111': 'c'
};
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('abc', foo[1] + foo[11] + foo[111]);
})();
(function TestObjectWithHoleySmiElements() {
function createObjects() {
globalThis.foo = {
'1': 0, '11': 1, '111': 2
};
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('012', '' + foo[1] + foo[11] + foo[111]);
})();
(function TestObjectWithPropertiesAndElements() {
function createObjects() {
globalThis.foo = {
'prop1': 'value1', '1': 'a', 'prop2': 'value2', '11': 'b', '111': 'c'
};
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('abc', foo[1] + foo[11] + foo[111]);
assertEquals('value1value2', foo.prop1 + foo.prop2);
})();
(function TestObjectsWithSamePropertiesButDifferentElementsKind() {
function createObjects() {
globalThis.foo = {
'prop1': 'value1', 'prop2': 'value2', '1': 'a', '11': 'b', '111': 'c'
};
globalThis.bar = {
'prop1': 'value1', 'prop2': 'value2', '0': 0, '1': 0
}
}
const { foo, bar } = takeAndUseWebSnapshot(createObjects, ['foo', 'bar']);
assertFalse(%HasPackedElements(foo));
assertFalse(%HasSmiElements(foo));
assertEquals('abc', foo[1] + foo[11] + foo[111]);
assertEquals('value1value2', foo.prop1 + foo.prop2);
assertFalse(%HasPackedElements(bar));
assertFalse(%HasSmiElements(bar));
assertEquals('00', '' + bar[0] + bar[1]);
assertEquals('value1value2', bar.prop1 + bar.prop2);
})();
(function TestObjectWithEmptyMap() {
function createObjects() {
globalThis.foo = [{a:1}, {}, {b: 2}];
}
const { foo } = takeAndUseWebSnapshot(createObjects, ['foo']);
assertEquals(1, foo[0].a);
assertEquals(2, foo[2].b);
})();
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