Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 82 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/statements/switch/cptn-b-fall-thru-abrupt-empty.js b/js/src/tests/test262/language/statements/switch/cptn-b-fall-thru-abrupt-empty.js
new file mode 100644
index 0000000000..59d82a569b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/switch/cptn-b-fall-thru-abrupt-empty.js
@@ -0,0 +1,82 @@
+// 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
+       [...]
+    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
+       a. Repeat for each CaseClause C in B
+          i. If foundInB is false, then
+             1. Let clauseSelector be the result of CaseSelectorEvaluation of
+                C.
+             2. If clauseSelector is an abrupt completion, then
+                a. If clauseSelector.[[value]] is empty, return
+                   Completion{[[type]]: clauseSelector.[[type]], [[value]]:
+                   undefined, [[target]]: clauseSelector.[[target]]}.
+                b. Else, return Completion(clauseSelector).
+             3. Let foundInB be the result of performing Strict Equality
+                Comparison input === clauseSelector.[[value]].
+           ii. If foundInB is true, then
+               1. Let R be the result of evaluating CaseClause C.
+               2. If R.[[value]] is not empty, let V = R.[[value]].
+               3. If R is an abrupt completion, return
+                  Completion(UpdateEmpty(R, V)).
+---*/
+
+assert.sameValue(
+  eval('1; switch ("a") { default: case "a": 2; case "b": 3; break; }'),
+  3,
+  'Non-empty value replaces previous non-empty value'
+);
+assert.sameValue(
+  eval('4; switch ("a") { default: case "a": case "b": 5; break; }'),
+  5,
+  'Non-empty value replaces empty value'
+);
+assert.sameValue(
+  eval('6; switch ("a") { default: case "a": 7; case "b": break; }'),
+  7,
+  'Empty value does not replace previous non-empty value'
+);
+
+assert.sameValue(
+  eval('8; do { switch ("a") { default: case "a": 9; case "b": 10; continue; } } while (false)'),
+  10,
+  'Non-empty value replaces previous non-empty value'
+);
+assert.sameValue(
+  eval('11; do { switch ("a") { default: case "a": case "b": 12; continue; } } while (false)'),
+  12,
+  'Non-empty value replaces empty value'
+);
+assert.sameValue(
+  eval('13; do { switch ("a") { default: case "a": 14; case "b": continue; } } while (false)'),
+  14,
+  'Empty value does not replace previous non-empty value'
+);
+
+reportCompare(0, 0);