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Test Info:

<!doctype html>
<meta charset=utf-8>
<title></title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
test(() => {
var m = new MutationObserver(() => {});
assert_throws_js(TypeError, () => {
m.observe(document, {});
});
}, "Should throw if none of childList, attributes, characterData are true");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { childList: true });
m.disconnect();
}, "Should not throw if childList is true");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { attributes: true });
m.disconnect();
}, "Should not throw if attributes is true");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { characterData: true });
m.disconnect();
}, "Should not throw if characterData is true");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { attributeOldValue: true });
m.disconnect();
}, "Should not throw if attributeOldValue is true and attributes is omitted");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { characterDataOldValue: true });
m.disconnect();
}, "Should not throw if characterDataOldValue is true and characterData is omitted");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { attributes: ["abc"] });
m.disconnect();
}, "Should not throw if attributeFilter is present and attributes is omitted");
test(() => {
var m = new MutationObserver(() => {});
assert_throws_js(TypeError, () => {
m.observe(document, { childList: true, attributeOldValue: true,
attributes: false });
});
}, "Should throw if attributeOldValue is true and attributes is false");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { childList: true, attributeOldValue: true,
attributes: true });
m.disconnect();
}, "Should not throw if attributeOldValue and attributes are both true");
test(() => {
var m = new MutationObserver(() => {});
assert_throws_js(TypeError, () => {
m.observe(document, { childList: true, attributeFilter: ["abc"],
attributes: false });
});
}, "Should throw if attributeFilter is present and attributes is false");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { childList: true, attributeFilter: ["abc"],
attributes: true });
m.disconnect();
}, "Should not throw if attributeFilter is present and attributes is true");
test(() => {
var m = new MutationObserver(() => {});
assert_throws_js(TypeError, () => {
m.observe(document, { childList: true, characterDataOldValue: true,
characterData: false });
});
}, "Should throw if characterDataOldValue is true and characterData is false");
test(() => {
var m = new MutationObserver(() => {});
m.observe(document, { childList: true, characterDataOldValue: true,
characterData: true });
m.disconnect();
}, "Should not throw if characterDataOldValue is true and characterData is true");
</script>