gecko-dev/testing/web-platform/tests/IndexedDB/idbobjectstore_put4.htm

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<!DOCTYPE html>
<meta charset="utf-8">
<title>IDBObjectStore.put() - put where an index has unique:true specified </title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var db,
record = { key: 1, property: "data" };
var open_rq = createdb(async_test());
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
var objStore = db.createObjectStore("store", { autoIncrement: true });
objStore.createIndex("i1", "property", { unique: true });
objStore.put(record);
var rq = objStore.put(record);
rq.onsuccess = fail(this, "success on putting duplicate indexed record")
rq.onerror = this.step_func(function(e) {
assert_equals(rq.error.name, "ConstraintError");
assert_equals(e.target.error.name, "ConstraintError");
assert_equals(e.type, "error");
e.preventDefault();
e.stopPropagation();
});
};
// Defer done, giving a spurious rq.onsuccess a chance to run
open_rq.onsuccess = function(e) {
this.done();
}
</script>
<div id="log"></div>