1 files changed, 130 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js
new file mode 100644
index 0000000000..b42c406358
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/definition/methods-gen-yield-as-expression-without-rhs.js
@@ -0,0 +1,130 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `yield` is a valid expression within generator function bodies.
+  features: [generators]
+  es6id: 14.4
+---*/
+
+var iter, result;
+class A {
+  *g1() { (yield) }
+  *g2() { [yield] }
+  *g3() { {yield} }
+  *g4() { yield, yield; }
+  *g5() { (yield) ? yield : yield; }
+}
+
+iter = A.prototype.g1();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within grouping operator: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within grouping operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following grouping operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following grouping operator: result `done` flag'
+);
+
+iter = A.prototype.g2();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within array literal: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within array literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following array literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following array literal: result `done` flag'
+);
+
+iter = A.prototype.g3();
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Within object literal: result `value`'
+);
+assert.sameValue(
+  result.done, false, 'Within object literal: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following object literal: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following object literal: result `done` flag'
+);
+
+iter = A.prototype.g4();
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'First expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'First expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Second expression in comma expression: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Second expression in comma expression: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following comma expression: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following comma expression: result `done` flag'
+);
+
+iter = A.prototype.g5();
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Conditional expression in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Conditional expression in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value,
+  undefined,
+  'Branch in conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done,
+  false,
+  'Branch in conditional operator: result `done` flag'
+);
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Following conditional operator: result `value`'
+);
+assert.sameValue(
+  result.done, true, 'Following conditional operator: result `done` flag'
+);
+
+reportCompare(0, 0);