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
|
// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Check that dynamically introducing conflicting consts/vars
// is silently ignored (and does not lead to exceptions).
var caught = 0;
eval("const a");
try { eval("var a"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof a == 'undefined');
try { eval("var a = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof a == 'undefined');
eval("const b = 0");
try { eval("var b"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, b);
try { eval("var b = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, b);
eval("var c");
try { eval("const c"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof c == 'undefined');
try { eval("const c = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(1, c);
eval("var d = 0");
try { eval("const d"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(undefined, d);
try { eval("const d = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(1, d);
assertEquals(0, caught);
|
