JVM/JS tests for GWT class itself

Author: niloc132

gwt-core-gwt2-tests/src/test/java/org/gwtproject/core/CoreSuite.java

@@ -17,19 +17,15 @@
 
 import com.google.gwt.junit.tools.GWTTestSuite;
 import junit.framework.Test;
-import org.gwtproject.core.client.JavaScriptObjectTest;
-import org.gwtproject.core.client.JsArrayMixedTest;
-import org.gwtproject.core.client.JsArrayTest;
-import org.gwtproject.core.client.JsonUtilsTest;
-import org.gwtproject.core.client.SchedulerTest;
-import org.gwtproject.core.client.ScriptInjectorTest;
+import org.gwtproject.core.client.*;
 import org.gwtproject.core.client.impl.SchedulerImplTest;
 
 public class CoreSuite {
 
   public static Test suite() {
     GWTTestSuite suite = new GWTTestSuite("All core tests");
 
+    suite.addTestSuite(GWTTest.class);
     suite.addTestSuite(JavaScriptObjectTest.class);
     suite.addTestSuite(JsonUtilsTest.class);
     suite.addTestSuite(JsArrayTest.class);

gwt-core-gwt2-tests/src/test/java/org/gwtproject/core/client/GWTTest.java

@@ -0,0 +1,20 @@
+package org.gwtproject.core.client;
+
+import com.google.gwt.junit.client.GWTTestCase;
+
+public class GWTTest extends GWTTestCase {
+  @Override
+  public String getModuleName() {
+    return "org.gwtproject.core.Core";
+  }
+
+  public void testIsScript() {
+    assertTrue(GWT.isScript());
+    assertTrue(org.gwtproject.core.shared.GWT.isScript());
+  }
+
+  public void testIsClient() {
+    assertTrue(GWT.isClient());
+    assertTrue(org.gwtproject.core.shared.GWT.isClient());
+  }
+}

gwt-core-j2cl-tests/src/test/java/org/gwtproject/core/client/GWTTest.java

@@ -0,0 +1,22 @@
+package org.gwtproject.core.client;
+
+import static org.junit.Assert.assertTrue;
+
+import com.google.j2cl.junit.apt.J2clTestInput;
+import org.junit.Test;
+
+@J2clTestInput(GWTTest.class)
+public class GWTTest {
+
+  @Test
+  public void testIsScript() {
+    assertTrue(GWT.isScript());
+    assertTrue(org.gwtproject.core.shared.GWT.isScript());
+  }
+
+  @Test
+  public void testIsClient() {
+    assertTrue(GWT.isClient());
+    assertTrue(org.gwtproject.core.shared.GWT.isClient());
+  }
+}

gwt-core/pom.xml

@@ -66,10 +66,30 @@
             <artifactId>elemental2-dom</artifactId>
             <version>${elemental2.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.0.0-M4</version>
+                <executions>
+                    <execution>
+                        <id>test</id>
+                        <goals>
+                            <goal>test</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>net.ltgt.gwt.maven</groupId>
                 <artifactId>gwt-maven-plugin</artifactId>

gwt-core/src/test/java/org/gwtproject/core/shared/GWTTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2019 The GWT 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 org.gwtproject.core.shared;
+
+import static org.junit.Assert.assertFalse;
+
+import org.junit.Test;
+
+public class GWTTest {
+    @Test
+    public void testIsScript() {
+        assertFalse(GWT.isScript());
+        assertFalse(org.gwtproject.core.shared.GWT.isScript());
+    }
+
+    @Test
+    public void testIsClient() {
+        assertFalse(GWT.isClient());
+        assertFalse(org.gwtproject.core.shared.GWT.isClient());
+    }
+
+    @Test
+    public void testIsProdMode() {
+        assertFalse(GWT.isProdMode());
+        assertFalse(org.gwtproject.core.shared.GWT.isProdMode());
+    }
+}