Added Generic Parameterized Testing

base/test/android/javatests/src/org/chromium/base/test/util/parameter/BaseParameter.java

Index: base/test/android/javatests/src/org/chromium/base/test/util/parameter/BaseParameter.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/util/parameter/BaseParameter.java b/base/test/android/javatests/src/org/chromium/base/test/util/parameter/BaseParameter.java
new file mode 100644
index 0000000000000000000000000000000000000000..914679f578536bccc027934add716ebe9faf5771
--- /dev/null
+++ b/base/test/android/javatests/src/org/chromium/base/test/util/parameter/BaseParameter.java
@@ -0,0 +1,82 @@
+// Copyright 2015 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.
+
+package org.chromium.base.test.util.parameters;
+
+import junit.framework.TestCase;
+
+/**
+ * The attributes of a single parameter.
+ */
+public class BaseParameter {
+    private String mTag;
+    private Parameter.Reader mParameterReader;
+
+    public BaseParameter(String tag, TestCase testCase, Parameter.Reader parameterReader) {
+        mTag = tag;
+        mParameterReader = parameterReader;
+    }
+
+    public String getTag() {
+        return mTag;
+    }
+
+    public String getStringArgument(String argumentName, String defaultString) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        return parameterArgument != null ? parameterArgument.stringVar() : defaultString;
+    }
+
+    public String getStringArgument(String argumentName) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        checkArgumentExists(parameterArgument);
+        return parameterArgument.stringVar();
+    }
+
+    public int getIntArgument(String argumentName, int defaultInt) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        return parameterArgument != null ? parameterArgument.intVar() : defaultInt;
+    }
+
+    public int getIntArgument(String argumentName) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        checkArgumentExists(parameterArgument);
+        return parameterArgument.intVar();
+    }
+
+    public String[] getStringArrayArgument(String argumentName, String[] defaultStringArray) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        return parameterArgument != null ? parameterArgument.stringArray() : defaultStringArray;
+    }
+
+    public String[] getStringArrayArgument(String argumentName) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        checkArgumentExists(parameterArgument);
+        return parameterArgument.stringArray();
+    }
+
+    public int[] getIntArrayArgument(String argumentName, int[] defaultIntArray) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        return parameterArgument != null ? parameterArgument.intArray() : defaultIntArray;
+    }
+
+    public int[] getIntArrayArgument(String argumentName) {
+        Parameter.Argument parameterArgument = getArgument(argumentName);
+        checkArgumentExists(parameterArgument);
+        return parameterArgument.intArray();
+    }
+
+    private Parameter.Argument getArgument(String argumentName) {
+        return mParameterReader.getParameterArgument(getTag(), argumentName);
+    }
+
+    private void checkArgumentExists(Parameter.Argument parameterArgument) {
+        if (parameterArgument == null) {
+            throw new IllegalArgumentException("Argument must be specified");
+        }
+    }
+
+    public void setUp() throws Exception {}
+
+    public void tearDown() throws Exception {}
+}