From a7d326493592bdca33bc490e67fdc30becc0c3ee Mon Sep 17 00:00:00 2001
From: Daniel Hodder <danielhodder@gmail.com>
Date: Thu, 15 Dec 2016 16:26:23 +1300
Subject: [PATCH] Added minimal support for EJC

---
 pom.xml                                              |  6 ++++++
 .../java/com/google/testing/compile/Compiler.java    |  3 +--
 .../com/google/testing/compile/CompilerTest.java     | 12 ++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index d5423c1d..9cb681e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -84,6 +84,12 @@
       <artifactId>auto-value</artifactId>
       <version>${auto-value.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.eclipse.jdt.core.compiler</groupId>
+      <artifactId>ecj</artifactId>
+      <version>4.4.2</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <plugins>
diff --git a/src/main/java/com/google/testing/compile/Compiler.java b/src/main/java/com/google/testing/compile/Compiler.java
index 152a356c..41de2186 100644
--- a/src/main/java/com/google/testing/compile/Compiler.java
+++ b/src/main/java/com/google/testing/compile/Compiler.java
@@ -22,7 +22,6 @@
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
 import com.google.testing.compile.Compilation.Status;
 import java.util.Locale;
 import javax.annotation.processing.Processor;
@@ -119,7 +118,7 @@ public final Compilation compile(Iterable<? extends JavaFileObject> files) {
                 fileManager,
                 diagnosticCollector,
                 options(),
-                ImmutableSet.<String>of(),
+                null,
                 files);
     task.setProcessors(processors());
     boolean succeeded = task.call();
diff --git a/src/test/java/com/google/testing/compile/CompilerTest.java b/src/test/java/com/google/testing/compile/CompilerTest.java
index 381ce182..e7b8a7ec 100644
--- a/src/test/java/com/google/testing/compile/CompilerTest.java
+++ b/src/test/java/com/google/testing/compile/CompilerTest.java
@@ -15,13 +15,18 @@
  */
 package com.google.testing.compile;
 
+import static com.google.testing.compile.Compiler.compiler;
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.testing.compile.Compiler.javac;
+import static com.google.testing.compile.CompilationSubject.assertThat;
 
 import com.google.common.collect.ImmutableList;
+
 import java.util.Arrays;
 import javax.annotation.processing.Processor;
 import javax.tools.JavaFileObject;
+
+import org.eclipse.jdt.internal.compiler.tool.EclipseCompiler;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -88,4 +93,11 @@ public void multipleProcesors_asIterable() {
     assertThat(noopProcessor2.invoked).isTrue();
     assertThat(noopProcessor3.invoked).isFalse();
   }
+  
+  @Test
+  public void compilingWithEjcWorks() {
+	Compilation compilation = compiler(new EclipseCompiler()).compile(HELLO_WORLD);
+	  
+	assertThat(compilation).succeeded();
+  }
 }