Fix getPointColor().

[graphlib_java.git] / Test.java

diff --git a/Test.java b/Test.java
index d3e4e62..9737b9c 100644 (file)
--- a/Test.java
+++ b/Test.java
@@ -1,6 +1,7 @@
 class Test{
     public static void main(String[] args) {
-        DrawingWindow w1 = new DrawingWindow("Test!", 400, 400);
+        DrawingWindow w1 = new DrawingWindow("Test!", 400, 300);
+
         w1.setColor("lawngreen");
         for (int i = 0; i < 12; i++) {
             int p = 10 * i + 10;
@@ -22,6 +23,31 @@ class Test{
             w1.fillTriangle(p, 150, p + i, 150 + i/2, p, 150 + i);
         }
 
+        // Try out of bounds drawings
+        w1.setColor("blue");
+        w1.drawLine(-10, w1.height - 10, w1.width + 10, w1.height - 10);
+        w1.drawLine(w1.width - 10, -10, w1.width - 10, w1.height + 10);
+        w1.setColor("red");
+        for (int x = -10; x <= w1.width + 10; x++) {
+            int y = w1.height - 20;
+            w1.drawPoint(x, y);
+            int c = w1.getPointColor(x, y);
+            if (c != (x < 0 || x >= w1.width ? 0 : 0x00ff0000))
+                throw new AssertionError("Error with getPointColor(): " +
+                                         "(" + x + ", " + y + "): " +
+                                         String.format("%#010x", c));
+        }
+        for (int y = -10; y <= w1.height + 10; y++) {
+            int x = w1.width - 20;
+            w1.drawPoint(x, y);
+            w1.getPointColor(x, y);
+            int c = w1.getPointColor(x, y);
+            if (c != (y < 0 || y >= w1.height ? 0 : 0x00ff0000))
+                throw new AssertionError("Error with getPointColor(): " +
+                                         "(" + x + ", " + y + "): " +
+                                         String.format("%#010x", c));
+        }
+
         DrawingWindow w2 = new DrawingWindow("Test!", 800, 600);
         w2.setBgColor("red");
         w2.setColor("blue");
@@ -47,6 +73,7 @@ class Test{
 
         System.out.println("Click anywhere on w1...");
 
+        w1.setColor("black");
         while (w1.waitMousePress(5 * 1000)) {
             int x = w1.getMouseX();
             int y = w1.getMouseY();