Create Next Gen Parameter Test Framework for JUnit4

base/test/android/junit/src/org/chromium/base/test/params/ExampleParameterizedTest.java

Index: base/test/android/junit/src/org/chromium/base/test/params/ExampleParameterizedTest.java
diff --git a/base/test/android/junit/src/org/chromium/base/test/params/ExampleParameterizedTest.java b/base/test/android/junit/src/org/chromium/base/test/params/ExampleParameterizedTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9745975c692cc08124d3fa3da5e220be9990cbfc
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+++ b/base/test/android/junit/src/org/chromium/base/test/params/ExampleParameterizedTest.java
@@ -0,0 +1,78 @@
+// Copyright 2017 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.params;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.params.ParameterAnnotations.ClassParameter;
+import org.chromium.base.test.params.ParameterAnnotations.MethodParameter;
+import org.chromium.base.test.params.ParameterAnnotations.UseMethodParameter;
+import org.chromium.base.test.params.ParameterAnnotations.UseRunnerDelegate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Example test that uses ParamRunner
+ */
+@RunWith(ParameterizedRunner.class)
+@UseRunnerDelegate(BlockJUnit4RunnerDelegate.class)
+public class ExampleParameterizedTest {
+    @ClassParameter
+    private static List<ParameterSet> sClassParams = new ArrayList<>();
+
+    static {
+        sClassParams.add(new ParameterSet().value("hello", "world").name("HelloWorld"));
+        sClassParams.add(new ParameterSet().value("Xxxx", "Yyyy").name("XxxxYyyy"));
+        sClassParams.add(new ParameterSet().value("aa", "yy").name("AaYy"));
+    }
+
+    @MethodParameter("A")
+    private static List<ParameterSet> sMethodParamA = new ArrayList<>();
+
+    static {
+        sMethodParamA.add(new ParameterSet().value(1, 2).name("OneTwo"));
+        sMethodParamA.add(new ParameterSet().value(2, 3).name("TwoThree"));
+        sMethodParamA.add(new ParameterSet().value(3, 4).name("ThreeFour"));
+    }
+
+    @MethodParameter("B")
+    private static List<ParameterSet> sMethodParamB = new ArrayList<>();
+
+    static {
+        sMethodParamB.add(new ParameterSet().value("a", "b").name("Ab"));
+        sMethodParamB.add(new ParameterSet().value("b", "c").name("Bc"));
+        sMethodParamB.add(new ParameterSet().value("c", "d").name("Cd"));
+        sMethodParamB.add(new ParameterSet().value("d", "e").name("De"));
+    }
+
+    private String mStringA;
+    private String mStringB;
+
+    public ExampleParameterizedTest(String a, String b) {
+        mStringA = a;
+        mStringB = b;
+    }
+
+    @Test
+    public void testSimple() {
+        Assert.assertEquals(
+                "A and B string length aren't equal", mStringA.length(), mStringB.length());
+    }
+
+    @Test
+    @UseMethodParameter("A")
+    public void testWithOnlyA(int intA, int intB) {
+        Assert.assertTrue(intA + 1 == intB);
+    }
+
+    @Test
+    @UseMethodParameter("B")
+    public void testWithOnlyB(String a, String b) {
+        Assert.assertTrue(a != b);
+    }
+}