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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/collections/Map-iterator-remove-1.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/collections/Map-iterator-remove-1.js')
-rw-r--r--js/src/jit-test/tests/collections/Map-iterator-remove-1.js40
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diff --git a/js/src/jit-test/tests/collections/Map-iterator-remove-1.js b/js/src/jit-test/tests/collections/Map-iterator-remove-1.js
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+++ b/js/src/jit-test/tests/collections/Map-iterator-remove-1.js
@@ -0,0 +1,40 @@
+// A map iterator can cope with removing the current entry.
+
+function test(pairs) {
+ print(uneval(pairs));
+ var map = new Map(pairs);
+
+ var all_keys = '';
+ var false_keys = '';
+ for (let [k, v] of map) {
+ all_keys += k;
+ if (!v)
+ false_keys += k;
+ }
+
+ var log = '';
+ for (let [k, remove] of map) {
+ log += k;
+ if (remove)
+ map.delete(k);
+ }
+ assertEq(log, all_keys);
+
+ var remaining_keys = [...map].map(([k]) => k).join('');
+ assertEq(remaining_keys, false_keys);
+}
+
+// removing the only entry
+test([['a', true]]);
+
+// removing the first entry
+test([['a', true], ['b', false], ['c', false]]);
+
+// removing a middle entry
+test([['a', false], ['b', true], ['c', false]]);
+
+// removing the last entry
+test([['a', false], ['b', false], ['c', true]]);
+
+// removing all entries
+test([['a', true], ['b', true], ['c', true]]);