[eclipse/xtext-xtend#897] fixed problem with constructors and nested …

…types

Signed-off-by: Christian Dietrich <christian.dietrich@itemis.de>

org.eclipse.xtend.core.tests/src/org/eclipse/xtend/core/tests/validation/AmbiguityGH897Test.xtend

@@ -0,0 +1,55 @@
+/*******************************************************************************
+ * Copyright (c) 2019 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtend.core.tests.validation
+
+import org.junit.Test
+
+/**
+ * @author Sebastian Zarnekow - Initial contribution and API
+ */
+class AmbiguityGH897Test extends AmbiguityValidationTest {
+
+	@Test
+	def void testAmbiguousConstructorCall_01() {
+		'''
+			class SampleImpl implements Sample {
+				def x() {
+					new Demo(null)
+				}
+			}
+			interface Sample {
+				class Demo {
+					new(String s) {}
+					new(Integer s) {}
+				}
+			}
+		'''.assertAmbiguous('''
+			Ambiguous constructor call.
+			The constructors
+				Demo(String) and
+				Demo(Integer)
+			both match.''')
+	}
+
+	@Test
+	def void testUnambiguousConstructorCall_01() {
+		'''
+			interface Sample {
+				class Demo {
+					
+				}
+				static class SampleImpl implements Sample {
+					def x() {
+						new Demo
+					}
+				}
+			}
+		'''.assertUnambiguous
+	}
+
+}

org.eclipse.xtend.core.tests/xtend-gen/org/eclipse/xtend/core/tests/validation/AmbiguityGH897Test.java

@@ -0,0 +1,98 @@
+/**
+ * Copyright (c) 2019 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.xtend.core.tests.validation;
+
+import org.eclipse.xtend.core.tests.validation.AmbiguityValidationTest;
+import org.eclipse.xtend2.lib.StringConcatenation;
+import org.junit.Test;
+
+/**
+ * @author Sebastian Zarnekow - Initial contribution and API
+ */
+@SuppressWarnings("all")
+public class AmbiguityGH897Test extends AmbiguityValidationTest {
+  @Test
+  public void testAmbiguousConstructorCall_01() {
+    StringConcatenation _builder = new StringConcatenation();
+    _builder.append("class SampleImpl implements Sample {");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("def x() {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("new Demo(null)");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("interface Sample {");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("class Demo {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("new(String s) {}");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("new(Integer s) {}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("}");
+    _builder.newLine();
+    StringConcatenation _builder_1 = new StringConcatenation();
+    _builder_1.append("Ambiguous constructor call.");
+    _builder_1.newLine();
+    _builder_1.append("The constructors");
+    _builder_1.newLine();
+    _builder_1.append("\t");
+    _builder_1.append("Demo(String) and");
+    _builder_1.newLine();
+    _builder_1.append("\t");
+    _builder_1.append("Demo(Integer)");
+    _builder_1.newLine();
+    _builder_1.append("both match.");
+    this.assertAmbiguous(_builder, _builder_1.toString());
+  }
+
+  @Test
+  public void testUnambiguousConstructorCall_01() {
+    StringConcatenation _builder = new StringConcatenation();
+    _builder.append("interface Sample {");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("class Demo {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("static class SampleImpl implements Sample {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("def x() {");
+    _builder.newLine();
+    _builder.append("\t\t\t");
+    _builder.append("new Demo");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("}");
+    _builder.newLine();
+    this.assertUnambiguous(_builder);
+  }
+}