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-rw-r--r--js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-within-try.js66
1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-within-try.js b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-within-try.js
new file mode 100644
index 0000000000..b945ef4893
--- /dev/null
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-within-try.js
@@ -0,0 +1,66 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.3.1.4
+description: >
+ When a generator is paused within the `try` block of a `try..catch`
+ statement, `throw` should interrupt control flow as if a `throw` statement
+ had appeared at that location in the function body.
+features: [generators]
+---*/
+
+var unreachable = 0;
+function* g() {
+ yield 1;
+ try {
+ yield 2;
+ unreachable += 1;
+ } catch (e) {
+ yield e;
+ }
+ yield 3;
+}
+var iter, result, exception;
+
+exception = new Test262Error();
+iter = g();
+
+result = iter.next();
+assert.sameValue(result.value, 1, 'First result `value`');
+assert.sameValue(result.done, false, 'First result `done` flag');
+
+result = iter.next();
+assert.sameValue(result.value, 2, 'Second result `value`');
+assert.sameValue(result.done, false, 'Second result `done` flag');
+
+result = iter.throw(exception);
+assert.sameValue(result.value, exception, 'Third result `value`');
+assert.sameValue(result.done, false, 'Third result `done` flag');
+
+assert.sameValue(
+ unreachable,
+ 0,
+ 'statement following `yield` not executed (following `throw`)'
+);
+
+result = iter.next();
+assert.sameValue(result.value, 3, 'Fourth result `done` flag');
+assert.sameValue(result.done, false, 'Fourth result `value`');
+assert.sameValue(
+ unreachable,
+ 0,
+ 'statement following `yield` not executed (following `catch`)'
+);
+
+result = iter.next();
+assert.sameValue(
+ result.value, undefined, 'Result `value` is undefined when done'
+);
+assert.sameValue(result.done, true, 'Result `done` flag is `true` when done');
+assert.sameValue(
+ unreachable, 0, 'statement following `yield` not executed (once "completed")'
+);
+
+iter.next();
+
+reportCompare(0, 0);