LayoutTests/fast/dom/MutationObserver/script-append.html - Issue 146043008: Verify that appendChild(script) does not perform a microtask checkpoint

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Unified Diff: LayoutTests/fast/dom/MutationObserver/script-append.html

Issue 146043008: Verify that appendChild(script) does not perform a microtask checkpoint (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 10 months ago

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Index: LayoutTests/fast/dom/MutationObserver/script-append.html

diff --git a/LayoutTests/fast/dom/MutationObserver/script-end-tag.html b/LayoutTests/fast/dom/MutationObserver/script-append.html

similarity index 53%

copy from LayoutTests/fast/dom/MutationObserver/script-end-tag.html

copy to LayoutTests/fast/dom/MutationObserver/script-append.html

index 76870ad45c9575ebc1fdb8c1a4030c70790bc69b..2bf9feba445dc2bb80bd9354d94a5faab8f57d3b 100644

--- a/LayoutTests/fast/dom/MutationObserver/script-end-tag.html

+++ b/LayoutTests/fast/dom/MutationObserver/script-append.html

@@ -1,7 +1,7 @@

<!DOCTYPE html>

-description('Test that a script end tags invokes MutationObserver callbacks');

+description('Test that an appended script does NOT invoke MutationObserver callbacks');

var mutationsDelivered = false;

function callback(mutations) {

@@ -13,6 +13,11 @@ var div = document.createElement('div');

observer.observe(div, {attributes: true});

div.setAttribute('foo', 'bar');

shouldBeFalse('mutationsDelivered');

-document.write('<script><\/script>'); // performs a microtask checkpoint

-shouldBeTrue('mutationsDelivered');

+var scriptDidRun = false;

+var script = document.createElement('script');

+script.textContent = 'scriptDidRun = true';

+shouldBeFalse('scriptDidRun');

+document.head.appendChild(script);

+shouldBeTrue('scriptDidRun');

+shouldBeFalse('mutationsDelivered');

</script>

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