Switching from Ivy+Ant to Maven.

1 files changed, 129 insertions, 0 deletions

diff --git a/src/test/java/com/p4square/grow/model/PointTest.java b/src/test/java/com/p4square/grow/model/PointTest.java
new file mode 100644
index 0000000..a4e7cc0
--- /dev/null
+++ b/src/test/java/com/p4square/grow/model/PointTest.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2013 Jesse Morgan
+ */
+
+package com.p4square.grow.model;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Tests for the Point class.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public class PointTest {
+    private static final double DELTA = 1e-15;
+
+    public static void main(String... args) {
+        org.junit.runner.JUnitCore.main(PointTest.class.getName());
+    }
+
+    /**
+     * Verify that the constructor works properly.
+     */
+    @Test
+    public void testHappyCase() {
+        Point p = new Point(1, 2);
+        assertEquals(1, p.getX(), DELTA);
+        assertEquals(2, p.getY(), DELTA);
+    }
+
+    /**
+     * Verify distance is computed correctly.
+     */
+    @Test
+    public void testDistance() {
+        Point p1, p2;
+
+        // Simple line
+        p1 = new Point(2, 1);
+        p2 = new Point(-2, 1);
+        assertEquals(4, p1.distance(p2), DELTA);
+        assertEquals(4, p2.distance(p1), DELTA);
+
+        // Across origin
+        p1 = new Point(5, 1);
+        p2 = new Point(-3, -2);
+        assertEquals(Math.sqrt(73), p1.distance(p2), DELTA);
+        assertEquals(Math.sqrt(73), p2.distance(p1), DELTA);
+    }
+
+    /**
+     * Verify toString returns the expected string.
+     */
+    @Test
+    public void testToString() {
+        Point p = new Point(-1.12345, 2.3);
+        assertEquals("-1.12,2.30", p.toString());
+    }
+
+    /**
+     * Verify that valueOf correctly parses a variety of strings.
+     */
+    @Test
+    public void testValueOfHappyCase() {
+        Point p;
+
+        p = Point.valueOf("1,2");
+        assertEquals(1, p.getX(), DELTA);
+        assertEquals(2, p.getY(), DELTA);
+
+        p = Point.valueOf("1.5,2.0");
+        assertEquals(1.5, p.getX(), DELTA);
+        assertEquals(2.0, p.getY(), DELTA);
+
+        p = Point.valueOf("-1.5,2.0");
+        assertEquals(-1.5, p.getX(), DELTA);
+        assertEquals(2.0, p.getY(), DELTA);
+
+        p = Point.valueOf("1.5,-2.0");
+        assertEquals(1.5, p.getX(), DELTA);
+        assertEquals(-2.0, p.getY(), DELTA);
+
+        p = Point.valueOf("-1.5,-2.0");
+        assertEquals(-1.5, p.getX(), DELTA);
+        assertEquals(-2.0, p.getY(), DELTA);
+    }
+
+    /**
+     * Verify that valueOf fails on null string.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testValueOfNull() {
+        Point.valueOf(null);
+    }
+
+    /**
+     * Verify that valueOf fails on empty string.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testValueOfEmptyString() {
+        Point.valueOf("");
+    }
+
+    /**
+     * Verify that valueOf fails on missing comma.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testValueOfMissingComma() {
+        Point.valueOf("123");
+    }
+
+    /**
+     * Verify that valueOf fails on missing x.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testValueOfMissingX() {
+        Point.valueOf(",12");
+    }
+
+    /**
+     * Verify that valueOf fails on missing y.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testValueOfMissingY() {
+        Point.valueOf("12,");
+    }
+}