Adding an integration test for the compiler source and target synonyms

org.eclipse.m2e.tests/projects/compilersynonym/pom.xml

@@ -0,0 +1,22 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" 
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.eclipse.m2e.projects</groupId>
+  <artifactId>compilersynonym</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
+        <configuration>
+          <source>6</source>
+          <target>5</target>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

org.eclipse.m2e.tests/src/org/eclipse/m2e/tests/project/CompilerSynonymTest.java

@@ -0,0 +1,51 @@
+
+package org.eclipse.m2e.tests.project;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.IPath;
+
+import org.apache.maven.execution.MavenExecutionRequest;
+import org.apache.maven.execution.MavenSession;
+import org.apache.maven.plugin.MojoExecution;
+
+import org.eclipse.m2e.core.MavenPlugin;
+import org.eclipse.m2e.core.internal.MavenPluginActivator;
+import org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager;
+import org.eclipse.m2e.core.project.IMavenProjectFacade;
+import org.eclipse.m2e.core.project.MavenUpdateRequest;
+import org.eclipse.m2e.core.project.configurator.AbstractProjectConfigurator;
+import org.eclipse.m2e.core.project.configurator.ILifecycleMapping;
+import org.eclipse.m2e.core.project.configurator.MojoExecutionKey;
+import org.eclipse.m2e.tests.common.AbstractMavenProjectTestCase;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
+
+
+public class CompilerSynonymTest extends AbstractMavenProjectTestCase {
+
+  public void testSynonym() throws Exception {
+    IProject project = importProject("projects/compilersynonym/pom.xml");
+    assertNoErrors(project);
+    waitForJobsToComplete();
+
+    IJavaProject javaProject = JavaCore.create(project);
+    assertEquals("1.6", javaProject.getOption(JavaCore.COMPILER_SOURCE, true));
+    assertEquals("1.5", javaProject.getOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, true));
+
+
+  }
+
+  private void deserialize(IMavenProjectFacade facade) throws IllegalArgumentException, IllegalAccessException {
+    // pretend it was deserialized from workspace state
+    for(Field field : facade.getClass().getDeclaredFields()) {
+      if(Modifier.isTransient(field.getModifiers())) {
+        field.setAccessible(true);
+        field.set(facade, null);
+      }
+    }
+  }
+}