summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/parser/arrow-rest.js
blob: 52db6eb867851eb9cb35d902a52a6f92bfea55b0 (plain)
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
// The parser should throw SyntaxError immediately if it finds "..." in a
// context where it's not allowed.

function testThrow(code, column) {
  var caught = false;
  try {
    eval(code);
  } catch (e) {
    caught = true;
    assertEq(e.columnNumber, column);
  }
  assertEq(caught, true,
           "failed to throw evaluating <" + code + ">");
}

// expression statement

testThrow(`
...a)=>
`, 1);

// default parameter

testThrow(`
function f(x=...a) =>
`, 14);

// rest parameter

testThrow(`
function f(... ...a) =>
`, 16);

// destructuring parameter

testThrow(`
([... ...a)=>
`, 7);

testThrow(`
({...a)=>
`, 7);

testThrow(`
function f([... ...a)=>
`, 17);

testThrow(`
function f({...a)=>
`, 17);

// arrow

testThrow(`
x => ...a)=>
`, 6);

// template literal

testThrow("`${ ...a)=>}`", 5);

// destructing assignment

testThrow(`
var [... ...a)=>
`, 10);

testThrow(`
var {...a)=>
`, 10);

// initializer

testThrow(`
var [a] = ...a)=>
`, 11);

testThrow(`
var {a:a} = ...a)=>
`, 13);

testThrow(`
var a = ...a)=>
`, 9);

// if statement

testThrow(`
if (...a) =>
`, 5);

// for statement

testThrow(`
for (...a)=>
`, 6);

testThrow(`
for (let a in ...a)=>
`, 15);

testThrow(`
for (let a of ...a)=>
`, 15);

testThrow(`
for (; ...a)=>
`, 8);

testThrow(`
for (;; ...a)=>
`, 9);

// case

testThrow(`
switch (x) { case ...a)=>
`, 19);

// return statement

testThrow(`
function f(x) { return ...a)=>
`, 24);

// yield expression

testThrow(`
function* f(x) { yield ...a)=>
`, 24);

// throw statement

testThrow(`
throw ...a) =>
`, 7);

// class

testThrow(`
class A extends ...a) =>
`, 17);

// conditional expression

testThrow(`
1 ? ...a) =>
`, 5);

testThrow(`
1 ? 2 : ...a) =>
`, 9);

// unary operators

testThrow(`
void ...a) =>
`, 6);

testThrow(`
typeof ...a) =>
`, 8);

testThrow(`
++ ...a) =>
`, 4);

testThrow(`
delete ...a) =>
`, 8);

// new

testThrow(`
new ...a) =>
`, 5);

// member expression

testThrow(`
x[...a) =>
`, 3);

// array literal

testThrow(`
[... ...a) =>
`, 6);

// object literal

testThrow(`
({[...a) =>
`, 4);

testThrow(`
({x: ...a) =>
`, 6);

// assignment

testThrow(`
x = ...a) =>
`, 5);