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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" href="mailto:masonf@chromium.org">
<link rel="help" href="https://crbug.com/41496971">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-progress-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
const progress = document.createElement("progress");
progress.max = 42;
assert_equals(progress.max, 42);
assert_equals(progress.getAttribute("max"), "42");
// Attempt to set 0
progress.max = 0;
assert_equals(progress.max, 42, "Setting max to 0 should be ignored (IDL)");
assert_equals(progress.getAttribute("max"), "42", "Setting max to 0 should be ignored (content attribute)");
// Attempt to set negative value
progress.max = -1000;
assert_equals(progress.max, 42, "Setting max to -1000 should be ignored (IDL)");
assert_equals(progress.getAttribute("max"), "42", "Setting max to -1000 should be ignored (content attribute)");
// Attempt to set another valid value
progress.max = 10;
assert_equals(progress.max, 10, "Setting max to 10 should work");
assert_equals(progress.getAttribute("max"), "10", "Attribute should update to 10");
}, "Setting max to non-positive value should be ignored");
</script>
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