diff options
Diffstat (limited to 'dom/base/test/test_custom_element_reflector.html')
| -rw-r--r-- | dom/base/test/test_custom_element_reflector.html | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/dom/base/test/test_custom_element_reflector.html b/dom/base/test/test_custom_element_reflector.html new file mode 100644 index 0000000000..aa7bba3efe --- /dev/null +++ b/dom/base/test/test_custom_element_reflector.html @@ -0,0 +1,27 @@ +<!doctype html> +<title>Custom Elements don't lose their reflectors</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<!-- First tests upgrading with an existing reflector, second without --> +<custom-element></custom-element> +<custom-element></custom-element> +<script> + (function() { + // Ensure we create a reflector for the first element before-hand. + let firstElement = document.querySelector("custom-element"); + }()); + + customElements.define("custom-element", class MyCustomElement extends HTMLElement { + myFunction() { + // Do nothing + } + }); + + ok(!!document.querySelector("custom-element").myFunction, "Has the right prototype before GC");; + ok(!!document.querySelectorAll("custom-element")[1].myFunction, "Has the right prototype before GC");; + + SpecialPowers.forceCC(); + SpecialPowers.forceGC(); + + ok(!!document.querySelector("custom-element").myFunction, "Has the right prototype after GC");; + ok(!!document.querySelectorAll("custom-element")[1].myFunction, "Has the right prototype before GC");; +</script> |