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 --- .../tests/xpcshell/test_ObjectUtils_strict.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 toolkit/modules/tests/xpcshell/test_ObjectUtils_strict.js (limited to 'toolkit/modules/tests/xpcshell/test_ObjectUtils_strict.js') diff --git a/toolkit/modules/tests/xpcshell/test_ObjectUtils_strict.js b/toolkit/modules/tests/xpcshell/test_ObjectUtils_strict.js new file mode 100644 index 000000000..44572e600 --- /dev/null +++ b/toolkit/modules/tests/xpcshell/test_ObjectUtils_strict.js @@ -0,0 +1,29 @@ +"use strict"; + +var {ObjectUtils} = Components.utils.import("resource://gre/modules/ObjectUtils.jsm", {}); +var {PromiseTestUtils} = Components.utils.import("resource://testing-common/PromiseTestUtils.jsm", {}); + +add_task(function* test_strict() { + let loose = { a: 1 }; + let strict = ObjectUtils.strict(loose); + + loose.a; // Should not throw. + loose.b || undefined; // Should not throw. + + strict.a; // Should not throw. + PromiseTestUtils.expectUncaughtRejection(/No such property: "b"/); + Assert.throws(() => strict.b, /No such property: "b"/); + "b" in strict; // Should not throw. + strict.b = 2; + strict.b; // Should not throw. + + PromiseTestUtils.expectUncaughtRejection(/No such property: "c"/); + Assert.throws(() => strict.c, /No such property: "c"/); + "c" in strict; // Should not throw. + loose.c = 3; + strict.c; // Should not throw. +}); + +function run_test() { + run_next_test(); +} -- cgit v1.2.3