File: protectedMembers.js

package info (click to toggle)
node-typescript 2.1.5-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 203,952 kB
  • ctags: 52,987
  • sloc: sh: 11; makefile: 5
file content (258 lines) | stat: -rw-r--r-- 5,047 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
//// [protectedMembers.ts]
// Class with protected members
class C1 {
    protected x: number;
    protected static sx: number;
    protected f() {
        return this.x;
    }
    protected static sf() {
        return this.sx;
    }
}

// Derived class accessing protected members
class C2 extends C1 {
    protected f() {
        return super.f() + this.x;
    }
    protected static sf() {
        return super.sf() + this.sx;
    }
}

// Derived class making protected members public
class C3 extends C2 {
    x: number;
    static sx: number;
    f() {
        return super.f();
    }
    static sf() {
        return super.sf();
    }
}

var c1: C1;
var c2: C2;
var c3: C3;

// All of these should be errors
c1.x;
c1.f();
C1.sx;
C1.sf();

// All of these should be errors
c2.x;
c2.f();
C2.sx;
C2.sf();

// All of these should be ok
c3.x;
c3.f();
C3.sx;
C3.sf();

class A {
    protected x;
}

class B extends A {
    y;
}

class C extends A {
    z;
    static foo(a: A, b: B, c: C, d: D, e: E) {
        a.x = 1;  // Error, access must be through C or type derived from C
        b.x = 1;  // Error, access must be through C or type derived from C
        c.x = 1;
        d.x = 1;
        e.x = 1;
    }
}

class D extends C {
    d;
}

interface E extends C {
    e;
}

class CC {
    protected constructor() {
    }
}

class A1 {
    protected x;
}
class B1 {
    x;
}
var a1: A1;
var b1: B1;
a1 = b1;  // Error, B1 doesn't derive from A1
b1 = a1;  // Error, x is protected in A1 but public in B1

class A2 {
    protected x;
}
class B2 extends A2 {
    x;
}

class A3 {
    x;
}
// Error x is protected in B3 but public in A3
class B3 extends A3 {
    protected x;
}



//// [protectedMembers.js]
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
// Class with protected members
var C1 = (function () {
    function C1() {
    }
    C1.prototype.f = function () {
        return this.x;
    };
    C1.sf = function () {
        return this.sx;
    };
    return C1;
}());
// Derived class accessing protected members
var C2 = (function (_super) {
    __extends(C2, _super);
    function C2() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    C2.prototype.f = function () {
        return _super.prototype.f.call(this) + this.x;
    };
    C2.sf = function () {
        return _super.sf.call(this) + this.sx;
    };
    return C2;
}(C1));
// Derived class making protected members public
var C3 = (function (_super) {
    __extends(C3, _super);
    function C3() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    C3.prototype.f = function () {
        return _super.prototype.f.call(this);
    };
    C3.sf = function () {
        return _super.sf.call(this);
    };
    return C3;
}(C2));
var c1;
var c2;
var c3;
// All of these should be errors
c1.x;
c1.f();
C1.sx;
C1.sf();
// All of these should be errors
c2.x;
c2.f();
C2.sx;
C2.sf();
// All of these should be ok
c3.x;
c3.f();
C3.sx;
C3.sf();
var A = (function () {
    function A() {
    }
    return A;
}());
var B = (function (_super) {
    __extends(B, _super);
    function B() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return B;
}(A));
var C = (function (_super) {
    __extends(C, _super);
    function C() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    C.foo = function (a, b, c, d, e) {
        a.x = 1; // Error, access must be through C or type derived from C
        b.x = 1; // Error, access must be through C or type derived from C
        c.x = 1;
        d.x = 1;
        e.x = 1;
    };
    return C;
}(A));
var D = (function (_super) {
    __extends(D, _super);
    function D() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return D;
}(C));
var CC = (function () {
    function CC() {
    }
    return CC;
}());
var A1 = (function () {
    function A1() {
    }
    return A1;
}());
var B1 = (function () {
    function B1() {
    }
    return B1;
}());
var a1;
var b1;
a1 = b1; // Error, B1 doesn't derive from A1
b1 = a1; // Error, x is protected in A1 but public in B1
var A2 = (function () {
    function A2() {
    }
    return A2;
}());
var B2 = (function (_super) {
    __extends(B2, _super);
    function B2() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return B2;
}(A2));
var A3 = (function () {
    function A3() {
    }
    return A3;
}());
// Error x is protected in B3 but public in A3
var B3 = (function (_super) {
    __extends(B3, _super);
    function B3() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return B3;
}(A3));