Add tests and documentation for the annotation border style class

This patch adds:
- Unit tests for the annotation border style class
- Regression test (self-made) for the annotation border style class
- Documentation generation using JSDoc

test/unit/annotation_layer_spec.js

@@ -0,0 +1,84 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* globals expect, it, describe, Dict, AnnotationBorderStyle,
+           AnnotationBorderStyleType */
+
+'use strict';
+
+describe('Annotation layer', function() {
+  describe('AnnotationBorderStyle', function() {
+    it('should set and get a valid width', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setWidth(3);
+
+      expect(borderStyle.width).toEqual(3);
+    });
+
+    it('should not set and get an invalid width', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setWidth('three');
+
+      expect(borderStyle.width).toEqual(1);
+    });
+
+    it('should set and get a valid style', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      var dict = new Dict();
+      dict.name = 'D';
+      borderStyle.setStyle(dict);
+
+      expect(borderStyle.style).toEqual(AnnotationBorderStyleType.DASHED);
+    });
+
+    it('should not set and get an invalid style', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setStyle('Dashed');
+
+      expect(borderStyle.style).toEqual(AnnotationBorderStyleType.SOLID);
+    });
+
+    it('should set and get a valid dash array', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setDashArray([1, 2, 3]);
+
+      expect(borderStyle.dashArray).toEqual([1, 2, 3]);
+    });
+
+    it('should not set and get an invalid dash array', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setDashArray([0, 0]);
+
+      expect(borderStyle.dashArray).toEqual([3]);
+    });
+
+    it('should set and get a valid horizontal corner radius', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setHorizontalCornerRadius(3);
+
+      expect(borderStyle.horizontalCornerRadius).toEqual(3);
+    });
+
+    it('should not set and get an invalid horizontal corner radius',
+        function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setHorizontalCornerRadius('three');
+
+      expect(borderStyle.horizontalCornerRadius).toEqual(0);
+    });
+
+    it('should set and get a valid vertical corner radius', function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setVerticalCornerRadius(3);
+
+      expect(borderStyle.verticalCornerRadius).toEqual(3);
+    });
+
+    it('should not set and get an invalid horizontal corner radius',
+        function() {
+      var borderStyle = new AnnotationBorderStyle();
+      borderStyle.setVerticalCornerRadius('three');
+
+      expect(borderStyle.verticalCornerRadius).toEqual(0);
+    });
+  });
+});