[lang] Add test for cast to String.

close #995

Signed-off-by: Stéphane Galland <galland@arakhne.org>

tests/io.sarl.lang.tests/src/test/java/io/sarl/lang/tests/bugs/to00999/Bug995Test.java

@@ -0,0 +1,109 @@
+/*
+ * $Id$
+ *
+ * SARL is an general-purpose agent programming language.
+ * More details on http://www.sarl.io
+ *
+ * Copyright (C) 2014-2020 the original authors or authors.
+ *
+ * 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 io.sarl.lang.tests.bugs.to00999;
+
+import static io.sarl.tests.api.tools.TestEObjects.file;
+import static io.sarl.tests.api.tools.TestUtils.multilineString;
+import static io.sarl.tests.api.tools.TestValidator.validate;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.eclipse.xtext.common.types.TypesPackage;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+
+import io.sarl.lang.SARLVersion;
+import io.sarl.lang.sarl.SarlPackage;
+import io.sarl.lang.sarl.SarlScript;
+import io.sarl.tests.api.AbstractSarlTest;
+import io.sarl.tests.api.tools.TestValidator.Validator;
+
+/** Testing class for issue: Invalid cast on String.
+ *
+ * <p>https://github.com/sarl/sarl/issues/995
+ *
+ * @author $Author: sgalland$
+ * @version $Name$ $Revision$ $Date$
+ * @mavengroupid $GroupId$
+ * @mavenartifactid $ArtifactId$
+ * @see "https://github.com/sarl/sarl/issues/995"
+ */
+@DisplayName("Bug #995")
+@SuppressWarnings("all")
+@Tag("core")
+public class Bug995Test extends AbstractSarlTest {
+
+	private static final String SARL_CODE_01 = multilineString(
+			"package io.sarl.lang.tests.bug995",
+			"import java.util.Map",
+			"class Bug995Case {",
+			"  def f(config : Map<String, Object>) : String {", 
+			"    val name = config.get(\"name\") as String",
+			"    return name",
+			"  }",
+			"}");
+
+	private static final String JAVA_CODE_01 = multilineString(
+			"package io.sarl.lang.tests.bug995;",
+			"",
+			"import io.sarl.lang.annotation.SarlElementType;",
+			"import io.sarl.lang.annotation.SarlSpecification;",
+			"import io.sarl.lang.annotation.SyntheticMember;",
+			"import java.util.Map;",
+			"import org.eclipse.xtext.xbase.lib.Pure;",
+			"",
+			"@SarlSpecification(\"" + SARLVersion.SPECIFICATION_RELEASE_VERSION_STRING + "\")", 
+			"@SarlElementType(" + SarlPackage.SARL_CLASS + ")", 
+			"@SuppressWarnings(\"all\")", 
+			"public class Bug995Case {",
+			"  @Pure",
+			"  public String f(final Map<String, Object> config) {",
+			"    Object _get = config.get(\"name\");",
+			"    final String name = (_get == null ? null : _get.toString());",
+			"    return name;",
+			"  }",
+			"  ", 
+			"  @SyntheticMember",
+			"  public Bug995Case() {",
+			"    super();",
+			"  }",
+			"}",
+			"");
+
+	@Test
+	@Tag("sarlParsing")
+	public void parsing01() throws Exception {
+		SarlScript mas = file(getParseHelper(), SARL_CODE_01);
+		final Validator validator = validate(getValidationHelper(), getInjector(), mas);
+		validator.assertNoErrors();
+	}
+
+	@Test
+	@Tag("compileToJava")
+	public void compile01() throws Exception {
+		getCompileHelper().compile(SARL_CODE_01, (it) -> {
+			final String actual = it.getGeneratedCode("io.sarl.lang.tests.bug995.Bug995Case");
+			assertEquals(JAVA_CODE_01, actual);
+		});
+	}
+
+}