From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- js/src/jit-test/tests/collections/Set-clear-2.js | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 js/src/jit-test/tests/collections/Set-clear-2.js (limited to 'js/src/jit-test/tests/collections/Set-clear-2.js') diff --git a/js/src/jit-test/tests/collections/Set-clear-2.js b/js/src/jit-test/tests/collections/Set-clear-2.js new file mode 100644 index 000000000..f3bbd77da --- /dev/null +++ b/js/src/jit-test/tests/collections/Set-clear-2.js @@ -0,0 +1,16 @@ +// Clearing a Set removes its elements; the Set remains usable afterwards. + +var s = new Set(["x", "y", "z", "z", "y"]); +assertEq(s.size, 3); +s.clear(); +assertEq(s.size, 0); +assertEq(s.has("x"), false); +assertEq(s.delete("x"), false); +assertEq(s.has("z"), false); +for (var v of s) + throw "FAIL"; // shouldn't be any elements + +s.add("y"); +assertEq(s.size, 1); +assertEq(s.has("x"), false); +assertEq(s.has("z"), false); -- cgit v1.2.3