Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --expose-debug-as debug |
| 6 | // Test the mirror object for symbols. |
| 7 | |
| 8 | function testSymbolMirror(symbol, description) { |
| 9 | // Create mirror and JSON representation. |
| 10 | var mirror = debug.MakeMirror(symbol); |
| 11 | var serializer = debug.MakeMirrorSerializer(); |
| 12 | var json = JSON.stringify(serializer.serializeValue(mirror)); |
| 13 | |
| 14 | // Check the mirror hierachy. |
| 15 | assertTrue(mirror instanceof debug.Mirror); |
| 16 | assertTrue(mirror instanceof debug.ValueMirror); |
| 17 | assertTrue(mirror instanceof debug.SymbolMirror); |
| 18 | |
| 19 | // Check the mirror properties. |
| 20 | assertTrue(mirror.isSymbol()); |
| 21 | assertEquals(description, mirror.description()); |
| 22 | assertEquals('symbol', mirror.type()); |
| 23 | assertTrue(mirror.isPrimitive()); |
| 24 | var description_text = description === undefined ? "" : description; |
| 25 | assertEquals('Symbol(' + description_text + ')', mirror.toText()); |
| 26 | assertSame(symbol, mirror.value()); |
| 27 | |
| 28 | // Parse JSON representation and check. |
| 29 | var fromJSON = eval('(' + json + ')'); |
| 30 | assertEquals('symbol', fromJSON.type); |
| 31 | assertEquals(description, fromJSON.description); |
| 32 | } |
| 33 | |
| 34 | // Test a number of different symbols. |
| 35 | testSymbolMirror(Symbol("a"), "a"); |
| 36 | testSymbolMirror(Symbol(12), "12"); |
| 37 | testSymbolMirror(Symbol.for("b"), "b"); |
| 38 | testSymbolMirror(Symbol(), undefined); |