summaryrefslogtreecommitdiff
path: root/js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js')
-rw-r--r--js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js b/js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js
new file mode 100644
index 0000000000..dac7e04fc4
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/coalesce/chainable-with-bitwise-and.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+ CoalesceExpression is chainable with the BitwiseANDExpression
+esid: sec-conditional-operator
+info: |
+ ConditionalExpression :
+ ShortCircuitExpression
+ ShortCircuitExpression ? AssignmentExpression : AssignmentExpression
+
+ ShortCircuitExpression :
+ LogicalORExpression
+ CoalesceExpression
+
+ CoalesceExpression :
+ CoalesceExpressionHead ?? BitwiseORExpression
+
+ CoalesceExpressionHead :
+ CoalesceExpression
+ BitwiseORExpression
+
+ Runtime Semantics: Evaluation
+
+ CoalesceExpression:CoalesceExpressionHead??BitwiseORExpression
+
+ 1. Let lref be the result of evaluating CoalesceExpressionHead.
+ 2. Let lval be ? GetValue(lref).
+ 3. If lval is undefined or null,
+ a. Let rref be the result of evaluating BitwiseORExpression.
+ b. Return ? GetValue(rref).
+ 4. Otherwise, return lval.
+features: [coalesce-expression]
+---*/
+
+var x;
+
+x = null ?? 42 & 43;
+assert.sameValue(x, 42, 'null ?? 42 & 43');
+
+x = undefined ?? 42 & 43;
+assert.sameValue(x, 42, 'null ?? 42 & 43');
+
+x = false ?? 42 & 43;
+assert.sameValue(x, false, 'false ?? 42 & 43');
+
+x = true ?? 42 & 43;
+assert.sameValue(x, true, 'true ?? 42 & 43');
+
+reportCompare(0, 0);