3 files changed, 58 insertions, 0 deletions
diff --git a/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/BUILD b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/BUILD
new file mode 100644
index 0000000000..90e71f97ac
--- /dev/null
+++ b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/BUILD
@@ -0,0 +1,16 @@
+load("tools/build_rules/java_rules_skylark", "java_test")
+
+java_test(
+    name = "pass",
+    srcs = ["TestHello.java"],
+    deps = [
+        "//examples/java-skylark/src/main/java/com/example/myproject:hello-lib",
+        "//third_party:junit4",
+    ],
+)
+
+java_test(
+    name = "fail",
+    srcs = ["Fail.java"],
+    main_class = "com.example.myproject.Fail",
+)
diff --git a/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/Fail.java b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/Fail.java
new file mode 100644
index 0000000000..079e1e9f04
--- /dev/null
+++ b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/Fail.java
@@ -0,0 +1,7 @@
+package com.example.myproject;
+
+class Fail {
+  public static void main(String []args) {
+    System.exit(1);
+  }
+}
diff --git a/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/TestHello.java b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/TestHello.java
new file mode 100644
index 0000000000..d50e6e503f
--- /dev/null
+++ b/base_workspace/examples/java-skylark/src/test/java/com/example/myproject/TestHello.java
@@ -0,0 +1,35 @@
+package com.example.myproject;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Tests different numbers of arguments to main().
+ *
+ * <p>With an empty args array, {@link Greeter} should print "Hello world". If there are one or more
+ * args, {@link Greeter} should print "Hello &lt;arg[0]&gt;".</p>
+ */
+public class TestHello {
+
+  @Test
+  public void testNoArgument() throws Exception {
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    Greeter.out = new PrintStream(out);
+    Greeter.main();
+    assertEquals("Hello world\n", new String(out.toByteArray(), StandardCharsets.UTF_8));
+  }
+
+  @Test
+  public void testWithArgument() throws Exception {
+    ByteArrayOutputStream out = new ByteArrayOutputStream();
+    Greeter.out = new PrintStream(out);
+    Greeter.main("toto");
+    assertEquals("Hello toto\n", new String(out.toByteArray(), StandardCharsets.UTF_8));
+  }
+
+}