77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
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package goja
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import (
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"testing"
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)
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func TestWeakMap(t *testing.T) {
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vm := New()
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_, err := vm.RunString(`
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var m = new WeakMap();
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var m1 = new WeakMap();
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var key = {};
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m.set(key, true);
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m1.set(key, false);
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if (!m.has(key)) {
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throw new Error("has");
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}
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if (m.get(key) !== true) {
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throw new Error("value does not match");
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}
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if (!m1.has(key)) {
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throw new Error("has (m1)");
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}
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if (m1.get(key) !== false) {
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throw new Error("m1 value does not match");
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}
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m.delete(key);
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if (m.has(key)) {
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throw new Error("m still has after delete");
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}
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if (!m1.has(key)) {
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throw new Error("m1 does not have after delete from m");
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}
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`)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestWeakMapGetAdderGetIteratorOrder(t *testing.T) {
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const SCRIPT = `
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let getterCalled = 0;
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class M extends WeakMap {
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get set() {
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getterCalled++;
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return null;
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}
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}
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let getIteratorCalled = 0;
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let iterable = {};
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iterable[Symbol.iterator] = () => {
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getIteratorCalled++
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return {
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next: 1
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};
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}
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let thrown = false;
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try {
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new M(iterable);
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} catch (e) {
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if (e instanceof TypeError) {
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thrown = true;
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} else {
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throw e;
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}
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}
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thrown && getterCalled === 1 && getIteratorCalled === 0;
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`
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testScript(SCRIPT, valueTrue, t)
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}
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