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1/* Copyright JS Foundation and other contributors, http://js.foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16function check_syntax_error (code)
17{
18  try {
19    eval (code);
20    assert (false);
21  } catch (e) {
22    assert (e instanceof SyntaxError);
23  }
24}
25
26check_syntax_error ("let a; let b; let a");
27check_syntax_error ("let a, b, a");
28check_syntax_error ("var a; let a;");
29check_syntax_error ("var a; const a = 3;");
30check_syntax_error ("let a; var a;");
31check_syntax_error ("const a = 3; var x, y, a;");
32check_syntax_error ("const a");
33check_syntax_error ("{ const a }");
34check_syntax_error ("const a, b");
35check_syntax_error ("let a; { let b; { var a; } }");
36check_syntax_error ("{ { var a = 4; } }; let a = 3");
37check_syntax_error ("function a() {}; let a;");
38check_syntax_error ("let a; function a() {};");
39check_syntax_error ("{ { function a() {}; let a; } }");
40check_syntax_error ("{ { let a; function a() {}; } }");
41check_syntax_error ("let a = 1; const b = 5; const a = 2;");
42check_syntax_error ("try {} catch (e) { let e; }");
43check_syntax_error ("try {} catch (e) { const e = 1; }");
44check_syntax_error ("let A; class A {}");
45check_syntax_error ("const A; class A {}");
46check_syntax_error ("class A {}; let A");
47check_syntax_error ("class A {}; const A = 1");
48