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-rw-r--r--dom/base/test/test_mutationobservers.html33
1 files changed, 32 insertions, 1 deletions
diff --git a/dom/base/test/test_mutationobservers.html b/dom/base/test/test_mutationobservers.html
index a6de89595..7e4c99423 100644
--- a/dom/base/test/test_mutationobservers.html
+++ b/dom/base/test/test_mutationobservers.html
@@ -362,7 +362,7 @@ function testChildList5() {
is(records[5].previousSibling, c3, "");
is(records[5].nextSibling, c5, "");
observer.disconnect();
- then(testAdoptNode);
+ then(testNestedMutations);
m = null;
});
m.observe(div, { childList: true, subtree: true });
@@ -375,6 +375,37 @@ function testChildList5() {
div.appendChild(emptyDF); // empty document shouldn't cause mutation records
}
+function testNestedMutations() {
+ div.textContent = null;
+ div.appendChild(document.createTextNode("foo"));
+ var m2WasCalled = false;
+ m = new M(function(records, observer) {
+ is(records[0].type, "characterData", "Should have got characterData");
+ observer.disconnect();
+ m = null;
+ m3 = new M(function(records, observer) {
+ ok(m2WasCalled, "m2 should have been called before m3!");
+ is(records[0].type, "characterData", "Should have got characterData");
+ observer.disconnect();
+ then(testAdoptNode);
+ m3 = null;
+ });
+ m3.observe(div, { characterData: true, subtree: true});
+ div.firstChild.data = "foo";
+ });
+ m2 = new M(function(records, observer) {
+ m2WasCalled = true;
+ is(records[0].type, "characterData", "Should have got characterData");
+ observer.disconnect();
+ m2 = null;
+ });
+ m2.observe(div, { characterData: true, subtree: true});
+ div.appendChild(document.createTextNode("foo"));
+ m.observe(div, { characterData: true, subtree: true });
+
+ div.firstChild.data = "bar";
+}
+
function testAdoptNode() {
var d1 = document.implementation.createHTMLDocument(null);
var d2 = document.implementation.createHTMLDocument(null);