Set up testing infrastructure ("make test")

bindings/java/tests/TestSamples.java

@@ -0,0 +1,39 @@
+package tests;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import org.junit.Before;
+import org.junit.After;
+import org.junit.Test;
+
+public class TestSamples {
+    private final ByteArrayOutputStream outContent =
+        new ByteArrayOutputStream();
+    private final PrintStream originalOut = System.out;
+
+    @Before
+    public void setUpStreams() {
+        outContent.reset();
+        System.setOut(new PrintStream(outContent));
+    }
+
+    @After
+    public void restoreStreams() {
+        System.setOut(originalOut);
+    }
+
+    @Test
+    public void testArm() {
+        samples.Sample_arm.test_arm();
+        assertEquals("testArm",
+            "Emulate ARM code\n" +
+                ">>> Tracing basic block at 0x10000, block size = 0x8\n" +
+                ">>> Tracing instruction at 0x10000, instruction size = 0x4\n" +
+                ">>> Emulation done. Below is the CPU context\n" +
+                ">>> R0 = 0x37\n" +
+                ">>> R1 = 0x3456\n",
+            outContent.toString());
+    }
+}