1 files changed, 88 insertions, 0 deletions
diff --git a/tests/src/com/android/browser/BrowserSettingsUnitTests.java b/tests/src/com/android/browser/BrowserSettingsUnitTests.java
new file mode 100644
index 0000000..fdaa5c8
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+++ b/tests/src/com/android/browser/BrowserSettingsUnitTests.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.browser;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.MediumTest;
+
+/**
+ * This is a series of unit tests for the BrowserSettings class.
+ *
+ */
+@MediumTest
+public class BrowserSettingsUnitTests extends AndroidTestCase {
+
+    /**
+     * Test the application caches max size calculator.
+     */
+    public void testCalculateAppCacheMaxSize() {
+        long fileSystemSize = 78643200;  // 75 MB
+        long freeSpaceSize = 25165824;  // 24 MB
+        long maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(6815744, maxSize);  // 6.5MB
+
+        fileSystemSize = 78643200;  // 75 MB
+        freeSpaceSize = 60 * 1024 * 1024;  // 60MB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(9961472, maxSize);  // 9.5MB
+
+        fileSystemSize = 8589934592L;  // 8 GB
+        freeSpaceSize = 4294967296L;  // 4 GB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(268959744L, maxSize);  // 256.5 MB
+
+        fileSystemSize = -14;
+        freeSpaceSize = 21;
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(0, maxSize);
+
+        fileSystemSize = 100;
+        freeSpaceSize = 101;
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(0, maxSize);
+
+        fileSystemSize = 3774873; // ~4.2 MB
+        freeSpaceSize = 2560000;  // ~2.4 MB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(1048576, maxSize);  // 1 MB
+
+        fileSystemSize = 4404019; // ~4.2 MB
+        freeSpaceSize = 3774873;  // ~3.6 MB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(1048576, maxSize);  // 1 MB
+
+        fileSystemSize = 4404019; // ~4.2 MB
+        freeSpaceSize = 4404019;  // ~4.2 MB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(1572864, maxSize);  // 1.5 MB
+
+        fileSystemSize = 1048576; // 1 MB
+        freeSpaceSize = 1048575;  // 1 MB - 1 byte
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(0, maxSize);
+
+        fileSystemSize = 1048576; // 1 MB
+        freeSpaceSize = 1048576;  // 1 MB
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(524288, maxSize);  // 512KB
+
+        fileSystemSize = 3774873; // ~3.6 MB
+        freeSpaceSize = 2097151;  // 2 MB - 1 byte
+        maxSize = BrowserSettings.calculateAppCacheMaxSize(fileSystemSize, freeSpaceSize);
+        assertEquals(524288, maxSize);  // 512KB
+    }
+}