Add tests for testCompile and j2objcTestLinkage to multiProject1.

multiProject1 system test also checks that duplicate transitive dependencies function correctly.

systemTests/multiProject1/base/build.gradle

@@ -25,8 +25,11 @@ dependencies {
     // Intentionally testing e2e use of a built-in j2objc library, Guava.
     compile 'com.google.guava:guava:17.0'
     testCompile 'junit:junit:4.12'
+    testCompile project(':testLib')
 }
 
 j2objcConfig {
+    autoConfigureDeps true
+
     finalConfigure()
 }

systemTests/multiProject1/base/src/test/java/com/example/CubeTest.java

@@ -28,6 +28,6 @@ public void testToString() {
 
     @Test
     public void testExerciseGuava() {
-        Assert.assertEquals("a b c", new Cube(7).exerciseGuava());
+        Assert.assertEquals(CubeTester.exerciseGuavaInTests(" "), new Cube(7).exerciseGuava());
     }
 }

systemTests/multiProject1/extended/build.gradle

@@ -29,6 +29,7 @@ dependencies {
     // translates and links it in to the compiled library. No further configuration is required.
     compile 'com.google.code.gson:gson:2.3.1'
     testCompile 'junit:junit:4.12'
+    testCompile project(':testLib')
 }
 
 j2objcConfig {

systemTests/multiProject1/extended/src/test/java/com/example/ExtendedCubeTest.java

@@ -28,6 +28,6 @@ public void testToString() {
 
     @Test
     public void testExerciseGuava() {
-        Assert.assertEquals("a;b;c", new ExtendedCube(7).exerciseGuava());
+        Assert.assertEquals(CubeTester.exerciseGuavaInTests(";"), new ExtendedCube(7).exerciseGuava());
     }
 }

systemTests/multiProject1/settings.gradle

@@ -13,4 +13,4 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-include ':base', ':extended'
+include ':testLib', ':base', ':extended'

systemTests/multiProject1/testLib/build.gradle

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2015 the authors of j2objc-gradle (see AUTHORS file)
+ *
+ * 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.
+ */
+
+apply plugin: 'java'
+apply plugin: 'com.github.j2objccontrib.j2objcgradle'
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    // Intentionally testing e2e use of a built-in j2objc library, Guava.
+    compile 'com.google.guava:guava:17.0'
+    testCompile 'junit:junit:4.12'
+}
+
+j2objcConfig {
+    autoConfigureDeps true
+
+    finalConfigure()
+}

systemTests/multiProject1/testLib/src/main/java/com/example/CubeTester.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2015 the authors of j2objc-gradle (see AUTHORS file)
+ *
+ * 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.example;
+
+import com.google.common.base.Joiner;
+
+public class CubeTester {
+
+    public static String exerciseGuavaInTests(String space) {
+        return Joiner.on(space).join('a', 'b', 'c');
+    }
+}

systemTests/multiProject1/testLib/src/test/java/com/example/CubeTesterTest.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2015 the authors of j2objc-gradle (see AUTHORS file)
+ *
+ * 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.example;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CubeTesterTest {
+
+    @Test
+    public void testExerciseGuavaInTests() {
+        Assert.assertEquals("a_b_c", CubeTester.exerciseGuavaInTests("_"));
+    }
+}

systemTests/run-all.sh

@@ -37,9 +37,10 @@ function runTest {
 # Simplest possible set-up.  A single project with no dependencies.
 runTest simple1
 
-# Two gradle projects, `extended` depends on `base`.  They also both test
+# Two main gradle projects, `extended` depends on `base`.  They also both test
 # dependency on built-in j2objc libraries, like Guava, and build-closure
-# based translation of an external library, Gson.
+# based translation of an external library, Gson.  They also both depend
+# depend on a third test-only gradle project, `testLib`.
 runTest multiProject1
 
 # TODO: Re-enable building Guava when we figure out how to deal with Java 8.