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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/annexB/language/statements/for-in/nonstrict-initializer.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/statements/for-in/nonstrict-initializer.js b/js/src/tests/test262/annexB/language/statements/for-in/nonstrict-initializer.js new file mode 100644 index 0000000000..10d492827f --- /dev/null +++ b/js/src/tests/test262/annexB/language/statements/for-in/nonstrict-initializer.js @@ -0,0 +1,41 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-initializers-in-forin-statement-heads +description: > + for-in initializers in nonstrict mode +flags: [noStrict] +---*/ +(function() { + var effects = 0; + for (var a = ++effects in {}); + assert.sameValue(effects, 1); +})(); + + +(function() { + var stored; + for (var a = 0 in stored = a, {}); + assert.sameValue(stored, 0); +})(); + + +(function() { + for (var a = 0 in {}); + assert.sameValue(a, 0); +})(); + + +(function() { + var effects = 0; + var iterations = 0; + var stored; + for (var a = (++effects, -1) in stored = a, {a: 0, b: 1, c: 2}) { + ++iterations; + } + assert.sameValue(stored, -1, "Initialized value should be available to RHS"); + assert.sameValue(effects, 1, "Initializer should only be executed once"); + assert.sameValue(iterations, 3, "Loop body should be executed the appropriate number of times"); +})(); + +reportCompare(0, 0); |