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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 // Tests that we can call functions through getters. | |
| 6 | |
| 7 final TOP_LEVEL_CONST = 1; | |
| 8 final TOP_LEVEL_CONST_REF = TOP_LEVEL_CONST; | |
| 9 final TOP_LEVEL_NULL = null; | |
| 10 | |
| 11 var topLevel; | |
| 12 | |
| 13 class CallThroughGetterTest { | |
| 14 | |
| 15 static void testMain() { | |
| 16 testTopLevel(); | |
| 17 testField(); | |
| 18 testGetter(); | |
| 19 testMethod(); | |
| 20 testEvaluationOrder(); | |
| 21 } | |
| 22 | |
| 23 static void testTopLevel() { | |
| 24 topLevel = function() { | |
| 25 return 2; | |
| 26 }; | |
| 27 Expect.equals(1, TOP_LEVEL_CONST); | |
| 28 Expect.equals(1, TOP_LEVEL_CONST_REF); | |
| 29 Expect.equals(2, topLevel()); | |
| 30 | |
| 31 expectThrowsNotClosure(() { | |
| 32 TOP_LEVEL_CONST(); /// static type warning | |
| 33 }); | |
| 34 expectThrowsNotClosure(() { | |
| 35 (TOP_LEVEL_CONST)(); /// static type warning | |
| 36 }); | |
| 37 } | |
| 38 | |
| 39 static void testField() { | |
| 40 A a = new A(); | |
| 41 a.field = () => 42; | |
| 42 Expect.equals(42, a.field()); | |
| 43 Expect.equals(42, (a.field)()); | |
| 44 | |
| 45 a.field = () => 87; | |
| 46 Expect.equals(87, a.field()); | |
| 47 Expect.equals(87, (a.field)()); | |
| 48 | |
| 49 a.field = 99; | |
| 50 expectThrowsNotClosure(() { a.field(); }); | |
| 51 expectThrowsNotClosure(() { (a.field)(); }); | |
| 52 } | |
| 53 | |
| 54 static void testGetter() { | |
| 55 A a = new A(); | |
| 56 a.field = () => 42; | |
| 57 Expect.equals(42, a.getter()); | |
| 58 Expect.equals(42, (a.getter)()); | |
| 59 | |
| 60 a.field = () => 87; | |
| 61 Expect.equals(87, a.getter()); | |
| 62 Expect.equals(87, (a.getter)()); | |
| 63 | |
| 64 a.field = 99; | |
| 65 expectThrowsNotClosure(() { a.getter(); }); | |
| 66 expectThrowsNotClosure(() { (a.getter)(); }); | |
| 67 } | |
| 68 | |
| 69 static void testMethod() { | |
| 70 A a = new A(); | |
| 71 a.field = () => 42; | |
| 72 Expect.equals(true, a.method() is Function); | |
| 73 Expect.equals(42, a.method()()); | |
| 74 | |
| 75 a.field = () => 87; | |
| 76 Expect.equals(true, a.method() is Function); | |
| 77 Expect.equals(87, a.method()()); | |
| 78 | |
| 79 a.field = null; | |
| 80 Expect.equals(null, a.method()); | |
| 81 } | |
| 82 | |
| 83 static void testEvaluationOrder() { | |
| 84 B b = new B(); | |
| 85 Expect.equals("gf", b.g0()); | |
| 86 b = new B(); | |
| 87 Expect.equals("gf", (b.g0)()); | |
| 88 | |
| 89 b = new B(); | |
| 90 Expect.equals("xgf", b.g1(b.x)); | |
| 91 b = new B(); | |
| 92 Expect.equals("gxf", (b.g1)(b.x)); | |
| 93 | |
| 94 b = new B(); | |
| 95 Expect.equals("xygf", b.g2(b.x, b.y)); | |
| 96 b = new B(); | |
| 97 Expect.equals("gxyf", (b.g2)(b.x, b.y)); | |
| 98 | |
| 99 b = new B(); | |
| 100 Expect.equals("xyzgf", b.g3(b.x, b.y, b.z)); | |
| 101 b = new B(); | |
| 102 Expect.equals("gxyzf", (b.g3)(b.x, b.y, b.z)); | |
| 103 | |
| 104 b = new B(); | |
| 105 Expect.equals("yzxgf", b.g3(b.y, b.z, b.x)); | |
| 106 b = new B(); | |
| 107 Expect.equals("gyzxf", (b.g3)(b.y, b.z, b.x)); | |
| 108 } | |
| 109 | |
| 110 static void expectThrowsNotClosure(fn) { | |
| 111 var exception = catchException(fn); | |
| 112 if (!(exception is ObjectNotClosureException)) { | |
| 113 Expect.fail("Wrong exception. Expected: ObjectNotClosureException" | |
| 114 " got: ${exception}"); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 static catchException(fn) { | |
| 119 bool caught = false; | |
| 120 var result = null; | |
| 121 try { | |
| 122 fn(); | |
| 123 Expect.equals(true, false); // Shouldn't reach this. | |
| 124 } catch (var e) { | |
| 125 caught = true; | |
| 126 result = e; | |
| 127 } | |
| 128 Expect.equals(true, caught); | |
| 129 return result; | |
| 130 } | |
| 131 | |
| 132 } | |
| 133 | |
| 134 | |
| 135 class A { | |
| 136 | |
| 137 A() { } | |
| 138 var field; | |
| 139 get getter() { return field; } | |
| 140 method() { return field; } | |
| 141 | |
| 142 } | |
| 143 | |
| 144 | |
| 145 class B { | |
| 146 | |
| 147 B() : _order = new StringBuffer("") { } | |
| 148 | |
| 149 get g0() { _mark('g'); return f0() { return _mark('f'); }; } | |
| 150 get g1() { _mark('g'); return f1(x) { return _mark('f'); }; } | |
| 151 get g2() { _mark('g'); return f2(x, y) { return _mark('f'); }; } | |
| 152 get g3() { _mark('g'); return f3(x, y, z) { return _mark('f'); }; } | |
| 153 | |
| 154 get x() { _mark('x'); return 0; } | |
| 155 get y() { _mark('y'); return 1; } | |
| 156 get z() { _mark('z'); return 2; } | |
| 157 | |
| 158 _mark(m) { _order.add(m); return _order.toString(); } | |
| 159 StringBuffer _order; | |
| 160 | |
| 161 } | |
| 162 | |
| 163 main() { | |
| 164 CallThroughGetterTest.testMain(); | |
| 165 } | |
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Chromium Code Reviews
Issue 10248007:
test rename overhaul: step 8 - language tests (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart