v8/test/mjsunit/regress/regress-4399.js
littledan 6773e2961d Propagate switch statement value for 'eval'
This patch changes the switch scope desugaring to create blocks which
propagate their 'return value' for eval.

BUG=v8:4399
R=adamk
LOG=Y

Review URL: https://codereview.chromium.org/1309303006

Cr-Commit-Position: refs/heads/master@{#30454}
2015-08-28 22:43:07 +00:00

18 lines
817 B
JavaScript

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Test that switch has the appropriate 'eval' value
assertEquals("foo", eval('switch(1) { case 1: "foo" }'));
assertEquals("foo", eval('{ switch(1) { case 1: "foo" } }'));
assertEquals("foo", eval('switch(1) { case 1: { "foo" } }'));
assertEquals("foo", eval('switch(1) { case 1: "foo"; break; case 2: "bar"; break }'));
assertEquals("bar", eval('switch(2) { case 1: "foo"; break; case 2: "bar"; break }'));
assertEquals("bar", eval('switch(1) { case 1: "foo"; case 2: "bar"; break }'));
// The tag is not the value, if there's no value
assertEquals(undefined, eval('switch (1) {}'));
assertEquals(undefined, eval('switch (1) { case 1: {} }'));