Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/switch/cptn-a-fall-thru-abrupt-empty.js b/js/src/tests/test262/language/statements/switch/cptn-a-fall-thru-abrupt-empty.js
new file mode 100644
index 0000000000..8fa4a1b125
--- /dev/null
+++ b/js/src/tests/test262/language/statements/switch/cptn-a-fall-thru-abrupt-empty.js
@@ -0,0 +1,67 @@
+// 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 an empty abrupt completion
+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
+       a. If found is false, then
+          [...]
+       b. If found is true, then
+          i. Let R be the result of evaluating C.
+          ii. If R.[[value]] is not empty, let V = R.[[value]].
+          iii. If R is an abrupt completion, return Completion(UpdateEmpty(R,
+               V)).
+---*/
+
+assert.sameValue(
+  eval('1; switch ("a") { case "a": 2; case "b": 3; break; default: }'),
+  3,
+  'Non-empty value replaces previous non-empty value'
+);
+assert.sameValue(
+  eval('4; switch ("a") { case "a": case "b": 5; break; default: }'),
+  5,
+  'Non-empty value replaces empty value'
+);
+assert.sameValue(
+  eval('6; switch ("a") { case "a": 7; case "b": break; default: }'),
+  7,
+  'Empty value does not replace previous non-empty value'
+);
+
+assert.sameValue(
+  eval('8; do { switch ("a") { case "a": 9; case "b": 10; continue; default: } } while (false)'),
+  10,
+  'Non-empty value replaces previous non-empty value'
+);
+assert.sameValue(
+  eval('11; do { switch ("a") { case "a": case "b": 12; continue; default: } } while (false)'),
+  12,
+  'Non-empty value replaces empty value'
+);
+assert.sameValue(
+  eval('13; do { switch ("a") { case "a": 14; case "b": continue; default: } } while (false)'),
+  14,
+  'Empty value does not replace previous non-empty value'
+);
+
+reportCompare(0, 0);