Upstream various ios/web utilities and helpers

ios/web/crw_network_activity_indicator_manager_unittest.mm

Index: ios/web/crw_network_activity_indicator_manager_unittest.mm
diff --git a/ios/web/crw_network_activity_indicator_manager_unittest.mm b/ios/web/crw_network_activity_indicator_manager_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..081bd606d6a220da5982955f856d8cce412fe83c
--- /dev/null
+++ b/ios/web/crw_network_activity_indicator_manager_unittest.mm
@@ -0,0 +1,154 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/web/crw_network_activity_indicator_manager.h"
+
+#import <UIKit/UIKit.h>
+
+#include "base/mac/scoped_nsobject.h"
+#include "testing/gtest_mac.h"
+#include "testing/platform_test.h"
+
+namespace {
+
+NSString* const kNetworkActivityKeyOne =
+    @"CRWNetworkActivityIndicatorManagerTest.NetworkActivityIndicatorKeyOne";
+NSString* const kNetworkActivityKeyTwo =
+    @"CRWNetworkActivityIndicatorManagerTest.NetworkActivityIndicatorKeyTwo";
+
+class CRWNetworkActivityIndicatorManagerTest : public PlatformTest {
+ public:
+  CRWNetworkActivityIndicatorManagerTest()
+      : manager_([[CRWNetworkActivityIndicatorManager alloc] init]) {}
+
+ protected:
+  void ExpectNetworkActivity(NSUInteger groupOneCount,
+                             NSUInteger groupTwoCount) {
+    EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne],
+              groupOneCount);
+    EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo],
+              groupTwoCount);
+    EXPECT_EQ([manager_ numTotalNetworkTasks], groupOneCount + groupTwoCount);
+    if (groupOneCount + groupTwoCount > 0U) {
+      EXPECT_TRUE(
+          [[UIApplication sharedApplication]
+              isNetworkActivityIndicatorVisible]);
+    } else {
+      EXPECT_FALSE(
+          [[UIApplication sharedApplication]
+              isNetworkActivityIndicatorVisible]);
+    }
+  }
+  base::scoped_nsobject<CRWNetworkActivityIndicatorManager> manager_;
+};
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest, TestNumNetworkTasksForGroup) {
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne], 0U);
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo], 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne], 2U);
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo], 0U);
+  [manager_ startNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne], 2U);
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo], 3U);
+  [manager_ stopNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne], 0U);
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo], 3U);
+  [manager_ stopNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyOne], 0U);
+  EXPECT_EQ([manager_ numNetworkTasksForGroup:kNetworkActivityKeyTwo], 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest, TestNumTotalNetworkTasks) {
+  EXPECT_EQ([manager_ numTotalNetworkTasks], 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  EXPECT_EQ([manager_ numTotalNetworkTasks], 2U);
+  [manager_ startNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  EXPECT_EQ([manager_ numTotalNetworkTasks], 5U);
+  [manager_ stopNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  EXPECT_EQ([manager_ numTotalNetworkTasks], 3U);
+  [manager_ stopNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  EXPECT_EQ([manager_ numTotalNetworkTasks], 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest,
+       StartStopNetworkTaskForOneGroup) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTaskForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(1U, 0U);
+  [manager_ stopNetworkTaskForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest,
+       StartStopNetworkTaskForTwoGroups) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTaskForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(1U, 0U);
+  [manager_ startNetworkTaskForGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(1U, 1U);
+  [manager_ stopNetworkTaskForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 1U);
+  [manager_ stopNetworkTaskForGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest,
+       StartStopNetworkTasksForOneGroup) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(2U, 0U);
+  [manager_ stopNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest,
+       StartStopNetworkTasksForTwoGroups) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(2U, 0U);
+  [manager_ startNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(2U, 3U);
+  [manager_ stopNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 3U);
+  [manager_ stopNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest, ClearNetworkTasksForGroup) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(2U, 0U);
+  [manager_ clearNetworkTasksForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest,
+       ClearNetworkTasksForUnusedGroup) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ clearNetworkTasksForGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+TEST_F(CRWNetworkActivityIndicatorManagerTest, StartStopNetworkTasksInChunks) {
+  ExpectNetworkActivity(0U, 0U);
+  [manager_ startNetworkTasks:2U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(2U, 0U);
+  [manager_ startNetworkTasks:3U forGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(2U, 3U);
+  [manager_ startNetworkTasks:7U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(9U, 3U);
+  [manager_ startNetworkTaskForGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(9U, 4U);
+  [manager_ stopNetworkTasks:4U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(5U, 4U);
+  [manager_ stopNetworkTasks:2U forGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(5U, 2U);
+  [manager_ stopNetworkTasks:5U forGroup:kNetworkActivityKeyOne];
+  ExpectNetworkActivity(0U, 2U);
+  [manager_ clearNetworkTasksForGroup:kNetworkActivityKeyTwo];
+  ExpectNetworkActivity(0U, 0U);
+}
+
+}  // namespace