1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/switch/cptn-dflt-fall-thru-nrml.js b/js/src/tests/test262/language/statements/switch/cptn-dflt-fall-thru-nrml.js
new file mode 100644
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+++ b/js/src/tests/test262/language/statements/switch/cptn-dflt-fall-thru-nrml.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12.11
+description: >
+    Completion value when execution continues through multiple cases and ends
+    with a normal completion in the default case
+info: |
+    SwitchStatement : switch ( Expression ) CaseBlock
+
+    [...]
+    8. Let R be the result of performing CaseBlockEvaluation of CaseBlock with
+       argument switchValue.
+    9. Set the running execution context’s LexicalEnvironment to oldEnv.
+    10. Return R.
+
+    13.12.9 Runtime Semantics: CaseBlockEvaluation
+
+    CaseBlock : { CaseClausesopt DefaultClause CaseClausesopt }
+
+    1. Let V = undefined.
+    2. Let A be the list of CaseClause items in the first CaseClauses, in
+       source text order. If the first CaseClauses is not present A is « ».
+    3. Let found be false.
+    4. Repeat for each CaseClause C in A
+       [...]
+    5. Let foundInB be false.
+    6. Let B be the List containing the CaseClause items in the second
+       CaseClauses, in source text order. If the second CaseClauses is not
+       present B is « ».
+    7. If found is false, then
+       [...]
+    8. If foundInB is true, return NormalCompletion(V).
+    9. Let R be the result of evaluating DefaultClause.
+    10. If R.[[value]] is not empty, let V = R.[[value]].
+    11. If R is an abrupt completion, return Completion(UpdateEmpty(R, V)).
+    12. Repeat for each CaseClause C in B (NOTE this is another complete
+        iteration of the second CaseClauses)
+        [...]
+    13. Return NormalCompletion(V).
+---*/
+
+assert.sameValue(
+  eval('1; switch ("a") { case "a": 2; default: 3; }'),
+  3,
+  'Non-empty value replaces previous non-empty value'
+);
+assert.sameValue(
+  eval('4; switch ("a") { case "a": default: 5; }'),
+  5,
+  'Non-empty value replaces empty value'
+);
+assert.sameValue(
+  eval('6; switch ("a") { case "a": 7; default: }'),
+  7,
+  'Empty value does not replace previous non-empty value'
+);
+
+reportCompare(0, 0);