Fix quality flaw : add coverage on parent link

Author: benzonico

java-squid/src/test/java/org/sonar/java/resolve/SemanticModelTest.java

@@ -0,0 +1,54 @@
+/*
+ * SonarQube Java
+ * Copyright (C) 2012 SonarSource
+ * sonarqube@googlegroups.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.java.resolve;
+
+import com.google.common.base.Charsets;
+import com.sonar.sslr.api.typed.ActionParser;
+import org.junit.Test;
+import org.sonar.java.ast.parser.JavaParser;
+import org.sonar.plugins.java.api.tree.ClassTree;
+import org.sonar.plugins.java.api.tree.CompilationUnitTree;
+import org.sonar.plugins.java.api.tree.MethodTree;
+import org.sonar.plugins.java.api.tree.Tree;
+import org.sonar.plugins.java.api.tree.VariableTree;
+
+import java.io.File;
+import java.util.Collections;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+public class SemanticModelTest {
+
+  private static final ActionParser<Tree> PARSER = JavaParser.createParser(Charsets.UTF_8);
+
+  @Test
+  public void parent_link_should_be_computed() {
+    CompilationUnitTree cut = (CompilationUnitTree) PARSER.parse("class A { int field; void foo() {} }");
+    SemanticModel semanticModel = SemanticModel.createFor(cut, Collections.<File>emptyList());
+    ClassTree classTree = (ClassTree) cut.types().get(0);
+    VariableTree field = (VariableTree) classTree.members().get(0);
+    MethodTree method = (MethodTree) classTree.members().get(1);
+
+    assertThat(semanticModel.getParent(method)).isSameAs(classTree);
+    assertThat(semanticModel.getParent(field)).isSameAs(classTree);
+    assertThat(semanticModel.getParent(classTree)).isSameAs(cut);
+
+  }
+}