mirror of https://github.com/tc39/test262.git
31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
|
|||
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|||
|
|
/*---
|
|||
|
|
es6id: 13.15.8
|
|||
|
|
description: Completion value from `catch` clause of a try..catch statement
|
|||
|
|
info: >
|
|||
|
|
TryStatement : try Block Catch
|
|||
|
|
|
|||
|
|
1. Let B be the result of evaluating Block.
|
|||
|
|
2. If B.[[type]] is throw, then
|
|||
|
|
a. Let C be CatchClauseEvaluation of Catch with parameter B.[[value]].
|
|||
|
|
3. Else B.[[type]] is not throw,
|
|||
|
|
[...]
|
|||
|
|
4. If C.[[type]] is return, or C.[[type]] is throw, return Completion(C).
|
|||
|
|
5. If C.[[value]] is not empty, return Completion(C).
|
|||
|
|
6. Return Completion{[[type]]: C.[[type]], [[value]]: undefined,
|
|||
|
|
[[target]]: C.[[target]]}.
|
|||
|
|
|
|||
|
|
13.15.7 Runtime Semantics: CatchClauseEvaluation
|
|||
|
|
|
|||
|
|
Catch : catch ( CatchParameter ) Block
|
|||
|
|
|
|||
|
|
[...]
|
|||
|
|
7. Let B be the result of evaluating Block.
|
|||
|
|
8. Set the running execution context’s LexicalEnvironment to oldEnv.
|
|||
|
|
9. Return Completion(B).
|
|||
|
|
---*/
|
|||
|
|
|
|||
|
|
assert.sameValue(eval('1; try { throw null; } catch (err) { }'), undefined);
|
|||
|
|
assert.sameValue(eval('2; try { throw null; } catch (err) { 3; }'), 3);
|