Implement Android resource reference folding

#KT-15451 Fixed

idea/idea-android/tests/org/jetbrains/kotlin/android/folding/AbstractAndroidFoldingTest.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.kotlin.android.folding
+
+import com.android.SdkConstants
+import org.jetbrains.kotlin.android.KotlinAndroidTestCase
+
+
+abstract class AbstractAndroidResourceFoldingTest : KotlinAndroidTestCase() {
+
+    fun doTest(path: String) {
+        myFixture.copyFileToProject("values.xml", "res/values/values.xml")
+        myFixture.copyFileToProject("R.java", "gen/com/myapp/R.java")
+        myFixture.testFoldingWithCollapseStatus(path, "${myFixture.tempDirPath}/src/main.kt")
+    }
+
+    override fun createManifest() {
+        myFixture.copyFileToProject("idea/testData/android/AndroidManifest.xml", SdkConstants.FN_ANDROID_MANIFEST_XML)
+    }
+
+    override fun getTestDataPath() = "idea/testData/android/folding"
+}

idea/idea-android/tests/org/jetbrains/kotlin/android/folding/AndroidResourceFoldingTestGenerated.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.kotlin.android.folding;
+
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
+import org.jetbrains.kotlin.test.KotlinTestUtils;
+import org.jetbrains.kotlin.test.TargetBackend;
+import org.jetbrains.kotlin.test.TestMetadata;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
+@SuppressWarnings("all")
+@TestMetadata("idea/testData/android/folding")
+@TestDataPath("$PROJECT_ROOT")
+@RunWith(JUnit3RunnerWithInners.class)
+public class AndroidResourceFoldingTestGenerated extends AbstractAndroidResourceFoldingTest {
+    public void testAllFilesPresentInFolding() throws Exception {
+        KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("idea/testData/android/folding"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.ANY, true);
+    }
+
+    @TestMetadata("dimensions.kt")
+    public void testDimensions() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/android/folding/dimensions.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("getString.kt")
+    public void testGetString() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/android/folding/getString.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("plurals.kt")
+    public void testPlurals() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/android/folding/plurals.kt");
+        doTest(fileName);
+    }
+}