mirror of https://github.com/lukechilds/node.git
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31 lines
1.3 KiB
31 lines
1.3 KiB
8 years ago
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'use strict';
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require('../common');
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const assert = require('assert');
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const vm = require('vm');
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const { MakeMirror } = vm.runInDebugContext('Debug');
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const proxy = new Proxy({ x: 1, y: 2 }, { get: Reflect.get });
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const mirror = MakeMirror(proxy, /* transient */ true);
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assert.strictEqual(mirror.protoObject().value(), undefined);
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assert.strictEqual(mirror.className(), 'Object');
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assert.strictEqual(mirror.constructorFunction().value(), undefined);
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assert.strictEqual(mirror.prototypeObject().value(), undefined);
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assert.strictEqual(mirror.hasNamedInterceptor(), false);
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assert.strictEqual(mirror.hasIndexedInterceptor(), false);
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assert.strictEqual(mirror.referencedBy(1).length, 0);
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assert.strictEqual(mirror.toText(), '#<Object>');
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const propertyNames = mirror.propertyNames();
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const DebugContextArray = propertyNames.constructor;
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assert.deepStrictEqual(propertyNames, DebugContextArray.from(['x', 'y']));
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const properties = mirror.properties();
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assert.strictEqual(properties.length, 2);
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// UndefinedMirror because V8 cannot retrieve the values without invoking
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// the handler. Could be turned a PropertyMirror but mirror.value() would
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// still be an UndefinedMirror. This seems Good Enough for now.
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assert(properties[0].isUndefined());
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assert(properties[1].isUndefined());
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