1 files changed, 90 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_clear.js b/dom/indexedDB/test/unit/test_clear.js
new file mode 100644
index 0000000000..d504ff8851
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_clear.js
@@ -0,0 +1,90 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* exported testGenerator */
+var testGenerator = testSteps();
+
+function* testSteps() {
+  const name = this.window ? window.location.pathname : "Splendid Test";
+  const entryCount = 1000;
+
+  let request = indexedDB.open(name, 1);
+  request.onerror = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  let event = yield undefined;
+
+  let db = request.result;
+
+  event.target.onsuccess = continueToNextStep;
+
+  let objectStore = db.createObjectStore("foo", { autoIncrement: true });
+
+  let firstKey;
+  for (let i = 0; i < entryCount; i++) {
+    request = objectStore.add({});
+    request.onerror = errorHandler;
+    if (!i) {
+      request.onsuccess = function (event) {
+        firstKey = event.target.result;
+      };
+    }
+  }
+  yield undefined;
+
+  isnot(firstKey, undefined, "got first key");
+
+  let seenEntryCount = 0;
+
+  request = db.transaction("foo").objectStore("foo").openCursor();
+  request.onerror = errorHandler;
+  request.onsuccess = function (event) {
+    let cursor = event.target.result;
+    if (cursor) {
+      seenEntryCount++;
+      cursor.continue();
+    } else {
+      continueToNextStep();
+    }
+  };
+  yield undefined;
+
+  is(seenEntryCount, entryCount, "Correct entry count");
+
+  try {
+    db.transaction("foo").objectStore("foo").clear();
+    ok(false, "clear should throw on READ_ONLY transactions");
+  } catch (e) {
+    ok(true, "clear should throw on READ_ONLY transactions");
+  }
+
+  request = db.transaction("foo", "readwriteflush").objectStore("foo").clear();
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  ok(event.target.result === undefined, "Correct event.target.result");
+  ok(request.result === undefined, "Correct request.result");
+  ok(request === event.target, "Correct event.target");
+
+  request = db.transaction("foo").objectStore("foo").openCursor();
+  request.onerror = errorHandler;
+  request.onsuccess = function (event) {
+    let cursor = request.result;
+    if (cursor) {
+      ok(false, "Shouldn't have any entries");
+    }
+    continueToNextStep();
+  };
+  yield undefined;
+
+  request = db.transaction("foo", "readwrite").objectStore("foo").add({});
+  request.onerror = errorHandler;
+  request.onsuccess = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  isnot(event.target.result, firstKey, "Got a different key");
+
+  finishTest();
+}