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-rw-r--r--dom/indexedDB/test/unit/test_cursor_mutation.js118
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diff --git a/dom/indexedDB/test/unit/test_cursor_mutation.js b/dom/indexedDB/test/unit/test_cursor_mutation.js
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+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function testSteps()
+{
+ const objectStoreData = [
+ // This one will be removed.
+ { ss: "237-23-7732", name: "Bob" },
+
+ // These will always be included.
+ { ss: "237-23-7733", name: "Ann" },
+ { ss: "237-23-7734", name: "Ron" },
+ { ss: "237-23-7735", name: "Sue" },
+ { ss: "237-23-7736", name: "Joe" },
+
+ // This one will be added.
+ { ss: "237-23-7737", name: "Pat" }
+ ];
+
+ // Post-add and post-remove data ordered by name.
+ const objectStoreDataNameSort = [ 1, 4, 5, 2, 3 ];
+
+ let request = indexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);
+ request.onerror = errorHandler;
+ request.onupgradeneeded = grabEventAndContinueHandler;
+ let event = yield undefined;
+
+ let db = event.target.result;
+ event.target.onsuccess = continueToNextStep;
+
+ let objectStore = db.createObjectStore("foo", { keyPath: "ss" });
+ objectStore.createIndex("name", "name", { unique: true });
+
+ for (let i = 0; i < objectStoreData.length - 1; i++) {
+ objectStore.add(objectStoreData[i]);
+ }
+ yield undefined;
+
+ let count = 0;
+
+ let sawAdded = false;
+ let sawRemoved = false;
+
+ db.transaction("foo").objectStore("foo").openCursor().onsuccess =
+ function(event) {
+ event.target.transaction.oncomplete = continueToNextStep;
+ let cursor = event.target.result;
+ if (cursor) {
+ if (cursor.value.name == objectStoreData[0].name) {
+ sawRemoved = true;
+ }
+ if (cursor.value.name ==
+ objectStoreData[objectStoreData.length - 1].name) {
+ sawAdded = true;
+ }
+ cursor.continue();
+ count++;
+ }
+ };
+ yield undefined;
+
+ is(count, objectStoreData.length - 1, "Good initial count");
+ is(sawAdded, false, "Didn't see item that is about to be added");
+ is(sawRemoved, true, "Saw item that is about to be removed");
+
+ count = 0;
+ sawAdded = false;
+ sawRemoved = false;
+
+ db.transaction("foo", "readwrite").objectStore("foo")
+ .index("name").openCursor().onsuccess = function(event) {
+ event.target.transaction.oncomplete = continueToNextStep;
+ let cursor = event.target.result;
+ if (cursor) {
+ if (cursor.value.name == objectStoreData[0].name) {
+ sawRemoved = true;
+ }
+ if (cursor.value.name ==
+ objectStoreData[objectStoreData.length - 1].name) {
+ sawAdded = true;
+ }
+
+ is(cursor.value.name,
+ objectStoreData[objectStoreDataNameSort[count++]].name,
+ "Correct name");
+
+ if (count == 1) {
+ let objectStore = event.target.transaction.objectStore("foo");
+ objectStore.delete(objectStoreData[0].ss)
+ .onsuccess = function(event) {
+ objectStore.add(objectStoreData[objectStoreData.length - 1])
+ .onsuccess =
+ function(event) {
+ cursor.continue();
+ };
+ };
+ }
+ else {
+ cursor.continue();
+ }
+ }
+ };
+ yield undefined;
+
+ is(count, objectStoreData.length - 1, "Good final count");
+ is(sawAdded, true, "Saw item that was added");
+ is(sawRemoved, false, "Didn't see item that was removed");
+
+ finishTest();
+
+ objectStore = null; // Bug 943409 workaround.
+
+ yield undefined;
+}