1 files changed, 136 insertions, 0 deletions
diff --git a/src/Q9/MovingRobotTest.java b/src/Q9/MovingRobotTest.java
new file mode 100644
index 0000000..68feddd
--- /dev/null
+++ b/src/Q9/MovingRobotTest.java
@@ -0,0 +1,136 @@
+package ca.mokhan.test;
+
+import Q9.*;
+import java.io.*;
+import java.text.*;
+import java.util.*;
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+public class MovingRobotTest extends TestCase {
+  private MovingRobot subject;
+
+  public MovingRobotTest(String testName) {
+    super(testName);
+    this.subject = new MovingRobot(0, 0);
+  }
+
+  public static Test suite() {
+    return new TestSuite(MovingRobotTest.class);
+  }
+
+  public void test_generateNextMove() {
+    for (int i = 0; i < 100; i++) {
+      int move = subject.generateNextMove();
+      assertTrue(move > 0);
+      assertTrue(move < 9);
+    }
+  }
+
+  public void test_validateNextMove_whenAtZeroZero() {
+    this.subject = new MovingRobot(0, 0);
+    assertFalse(subject.validateNextMove(Robot.UP));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_UP_CORNER));
+    assertTrue(subject.validateNextMove(Robot.RIGHT));
+    assertTrue(subject.validateNextMove(Robot.RIGHT_DOWN_CORNER));
+    assertTrue(subject.validateNextMove(Robot.DOWN));
+    assertFalse(subject.validateNextMove(Robot.LEFT_DOWN_CORNER));
+    assertFalse(subject.validateNextMove(Robot.LEFT));
+    assertFalse(subject.validateNextMove(Robot.LEFT_UP_CORNER));
+  }
+
+  public void test_validateNextMove_whenAtZeroOne() {
+    this.subject = new MovingRobot(0, 1);
+
+    assertTrue(subject.validateNextMove(Robot.UP));
+    assertTrue(subject.validateNextMove(Robot.RIGHT_UP_CORNER));
+    assertTrue(subject.validateNextMove(Robot.RIGHT));
+    assertTrue(subject.validateNextMove(Robot.RIGHT_DOWN_CORNER));
+    assertTrue(subject.validateNextMove(Robot.DOWN));
+    assertFalse(subject.validateNextMove(Robot.LEFT_DOWN_CORNER));
+    assertFalse(subject.validateNextMove(Robot.LEFT));
+    assertFalse(subject.validateNextMove(Robot.LEFT_UP_CORNER));
+  }
+
+  public void test_validateNextMove_whenAtNineZero() {
+    this.subject = new MovingRobot(9, 0);
+
+    assertFalse(subject.validateNextMove(Robot.UP));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_UP_CORNER));
+    assertFalse(subject.validateNextMove(Robot.RIGHT));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_DOWN_CORNER));
+    assertTrue(subject.validateNextMove(Robot.DOWN));
+    assertTrue(subject.validateNextMove(Robot.LEFT_DOWN_CORNER));
+    assertTrue(subject.validateNextMove(Robot.LEFT));
+    assertFalse(subject.validateNextMove(Robot.LEFT_UP_CORNER));
+  }
+
+  public void test_validateNextMove_whenAtNineNine() {
+    this.subject = new MovingRobot(9, 9);
+    assertTrue(subject.validateNextMove(Robot.UP));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_UP_CORNER));
+    assertFalse(subject.validateNextMove(Robot.RIGHT));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_DOWN_CORNER));
+    assertFalse(subject.validateNextMove(Robot.DOWN));
+    assertFalse(subject.validateNextMove(Robot.LEFT_DOWN_CORNER));
+    assertTrue(subject.validateNextMove(Robot.LEFT));
+    assertTrue(subject.validateNextMove(Robot.LEFT_UP_CORNER));
+  }
+
+  public void test_validateNextMove_whenAtZeroNine() {
+    this.subject = new MovingRobot(0, 9);
+    assertTrue(subject.validateNextMove(Robot.UP));
+    assertTrue(subject.validateNextMove(Robot.RIGHT_UP_CORNER));
+    assertTrue(subject.validateNextMove(Robot.RIGHT));
+    assertFalse(subject.validateNextMove(Robot.RIGHT_DOWN_CORNER));
+    assertFalse(subject.validateNextMove(Robot.DOWN));
+    assertFalse(subject.validateNextMove(Robot.LEFT_DOWN_CORNER));
+    assertFalse(subject.validateNextMove(Robot.LEFT));
+    assertFalse(subject.validateNextMove(Robot.LEFT_UP_CORNER));
+  }
+
+  public void test_move_whenAtZeroZero() {
+    subject = new MovingRobot(0, 0);
+
+    for (int i = 0; i < 9; i++) {
+      subject.move(Robot.RIGHT);
+      assertEquals(i + 1, subject.getX());
+      assertEquals(0, subject.getY());
+    }
+
+    for (int i = 0; i < 9; i++) {
+      subject.move(Robot.DOWN);
+      assertEquals(9, subject.getX());
+      assertEquals(i + 1, subject.getY());
+    }
+
+    for (int i = 9; i > 0; i--) {
+      subject.move(Robot.LEFT);
+      assertEquals(i - 1, subject.getX());
+      assertEquals(9, subject.getY());
+    }
+
+    for (int i = 9; i > 0; i--) {
+      subject.move(Robot.UP);
+      assertEquals(0, subject.getX());
+      assertEquals(i - 1, subject.getY());
+    }
+
+    subject.move(Robot.UP);
+    assertEquals(0, subject.getX());
+    assertEquals(0, subject.getY());
+
+    subject.move(Robot.LEFT_UP_CORNER);
+    assertEquals(0, subject.getX());
+    assertEquals(0, subject.getY());
+
+    subject.move(Robot.LEFT);
+    assertEquals(0, subject.getX());
+    assertEquals(0, subject.getY());
+
+    subject.move(Robot.LEFT_DOWN_CORNER);
+    assertEquals(0, subject.getX());
+    assertEquals(0, subject.getY());
+  }
+}