complete Box3 unit tests, add Box2 unit tests.

src/core/Box2.js

@@ -155,17 +155,6 @@ THREE.Box2.prototype = {
 		return false;
 	},
 
-	isIntersection: function ( box ) {
-		// using 6 splitting planes to rule out intersections.
-		if( 
-			( this.max.x < box.min.x ) || ( box.min.x > this.max.x ) ||
-			( this.max.y < box.min.y ) || ( box.min.y > this.max.y )
-			) {
-			return false;
-		}
-		return true;
-	},
-
 	getParameter: function ( point ) {
 		// This can potentially have a divide by zero if the box
 		// has a size dimension of 0.
@@ -185,6 +174,17 @@ THREE.Box2.prototype = {
 		return this.clampPoint( point ).subSelf( point ).length();
 	},
 
+	isIntersection: function ( box ) {
+		// using 6 splitting planes to rule out intersections.
+		if( 
+			( this.max.x < box.min.x ) || ( box.min.x > this.max.x ) ||
+			( this.max.y < box.min.y ) || ( box.min.y > this.max.y )
+			) {
+			return false;
+		}
+		return true;
+	},
+
 	intersect: function ( box ) {
 
 		this.min.maxSelf( box.min );

src/core/Box3.js

@@ -168,18 +168,6 @@ THREE.Box3.prototype = {
 		return false;
 	},
 
-	isIntersection: function ( box ) {
-		// using 6 splitting planes to rule out intersections.
-		if( 
-			( this.max.x < box.min.x ) || ( box.min.x > this.max.x ) ||
-			( this.max.y < box.min.y ) || ( box.min.y > this.max.y ) ||
-			( this.max.z < box.min.z ) || ( box.min.z > this.max.z )
-			) {
-			return false;
-		}
-		return true;
-	},
-
 	getParameter: function ( point ) {
 		// This can potentially have a divide by zero if the box
 		// has a size dimension of 0.
@@ -200,6 +188,18 @@ THREE.Box3.prototype = {
 		return this.clampPoint( point ).subSelf( point ).length();
 	},
 
+	isIntersection: function ( box ) {
+		// using 6 splitting planes to rule out intersections.
+		if( 
+			( this.max.x < box.min.x ) || ( box.min.x > this.max.x ) ||
+			( this.max.y < box.min.y ) || ( box.min.y > this.max.y ) ||
+			( this.max.z < box.min.z ) || ( box.min.z > this.max.z )
+			) {
+			return false;
+		}
+		return true;
+	},
+
 	intersect: function ( box ) {
 
 		this.min.maxSelf( box.min );

test/core/Box2.js

@@ -0,0 +1,273 @@
+/**
+ * @author bhouston / http://exocortex.com
+ */
+
+var x = 2;
+var y = 3;
+var z = 4;
+var w = 5;
+
+var negInf = new THREE.Vector3( -Infinity, -Infinity );
+var posInf = new THREE.Vector3( Infinity, Infinity );
+
+var zero = new THREE.Vector3();
+var one = new THREE.Vector3( 1, 1 );
+
+module( "Box2" );
+
+test( "constructor", function() {
+	var a = new THREE.Box2();
+	ok( a.min.equals( posInf ), "Passed!" );
+	ok( a.max.equals( negInf ), "Passed!" );
+
+	a = new THREE.Box2( zero );
+	ok( a.min.equals( zero ), "Passed!" );
+	ok( a.max.equals( zero ), "Passed!" );
+
+	a = new THREE.Box2( zero, one );
+	ok( a.min.equals( zero ), "Passed!" );
+	ok( a.max.equals( one ), "Passed!" );
+});
+
+test( "copy", function() {
+	var a = new THREE.Box2( zero, one );
+	var b = new THREE.Box2().copy( a );
+	ok( b.min.equals( zero ), "Passed!" );
+	ok( b.max.equals( one ), "Passed!" );
+
+	// ensure that it is a true copy
+	a.min = zero;
+	a.max = one;
+	ok( b.min.equals( zero ), "Passed!" );
+	ok( b.max.equals( one ), "Passed!" );
+});
+
+test( "set", function() {
+	var a = new THREE.Box2();
+
+	a.set( zero, one )
+	ok( a.min.equals( zero ), "Passed!" );
+	ok( a.max.equals( one ), "Passed!" );
+});
+
+test( "empty/makeEmpty", function() {
+	var a = new THREE.Box2();
+
+	ok( a.empty(), "Passed!" );
+
+	var a = new THREE.Box2( zero, one );
+	ok( ! a.empty(), "Passed!" );
+
+	a.makeEmpty();
+	ok( a.empty(), "Passed!" );
+});
+
+test( "volume", function() {
+	var a = new THREE.Box2( zero, one );
+	ok( a.volume() == 1, "Passed!" );
+});
+
+test( "center", function() {
+	var a = new THREE.Box2( zero );
+
+	ok( a.center().equals( zero ), "Passed!" );
+
+	a = new THREE.Box2( zero, one );
+	var midpoint = one.clone().multiplyScalar( 0.5 );
+	ok( a.center().equals( midpoint ), "Passed!" );
+});
+
+test( "size", function() {
+	var a = new THREE.Box2( zero );
+
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a = new THREE.Box2( zero, one );
+	ok( a.size().equals( one ), "Passed!" );
+});
+
+test( "expandByPoint", function() {
+	var a = new THREE.Box2( zero );
+
+	a.expandByPoint( zero );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByPoint( one );
+	ok( a.size().equals( one ), "Passed!" );
+
+	a.expandByPoint( one.clone().negate() );
+	ok( a.size().equals( one.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "expandByVector", function() {
+	var a = new THREE.Box2( zero );
+
+	a.expandByVector( zero );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByVector( one );
+	ok( a.size().equals( one.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "expandByScalar", function() {
+	var a = new THREE.Box2( zero );
+
+	a.expandByScalar( 0 );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByScalar( 1 );
+	ok( a.size().equals( oneone.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "containsPoint", function() {
+	var a = new THREE.Box2( zero );
+
+	ok( a.containsPoint( zero ), "Passed!" );
+	ok( ! a.containsPoint( one ), "Passed!" );
+
+	a.expandByScalar( 1 );
+	ok( a.containsPoint( zero ), "Passed!" );
+	ok( a.containsPoint( one ), "Passed!" );
+	ok( a.containsPoint( one.clone().negate() ), "Passed!" );
+});
+
+test( "containsBox", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.containsBox( a ), "Passed!" );
+	ok( ! a.containsBox( b ), "Passed!" );
+	ok( ! a.containsBox( c ), "Passed!" );
+
+	ok( b.containsBox( a ), "Passed!" );
+	ok( c.containsBox( a ), "Passed!" );
+	ok( ! b.containsBox( c ), "Passed!" );
+});
+
+test( "getParameter", function() {
+	var a = new THREE.Box2( zero, one );
+	var b = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.getParameter( new THREE.Vector2( 0, 0 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+	ok( a.getParameter( new THREE.Vector2( 1, 1 ) ).equals( new THREE.Vector2( 1, 1 ) ), "Passed!" );
+
+	ok( b.getParameter( new THREE.Vector2( -1, -1 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+	ok( b.getParameter( new THREE.Vector2( 0, 0 ) ).equals( new THREE.Vector2( 0.5, 0.5 ) ), "Passed!" );
+	ok( b.getParameter( new THREE.Vector2( 1, 1 ) ).equals( new THREE.Vector2( 1, 1 ) ), "Passed!" );
+});
+
+test( "clampPoint", function() {
+	var a = new THREE.Box2( zero, one );
+	var b = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.clampPoint( new THREE.Vector2( 0, 0 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+	ok( a.clampPoint( new THREE.Vector2( 1, 1 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+	ok( a.clampPoint( new THREE.Vector2( -1, -1 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+
+	ok( b.clampPoint( new THREE.Vector2( 2, 2 ) ).equals( new THREE.Vector2( 1, 1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector2( 1, 1 ) ).equals( new THREE.Vector2( 1, 1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector2( 0, 0 ) ).equals( new THREE.Vector2( 0, 0 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector2( -1, -1 ) ).equals( new THREE.Vector2( -1, -1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector2( -2, -2 ) ).equals( new THREE.Vector2( -1, -1 ) ), "Passed!" );
+});
+
+test( "distanceToPoint", function() {
+	var a = new THREE.Box2( zero, one );
+	var b = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.distanceToPoint( new THREE.Vector2( 0, 0 ) ) == 0, "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector2( 1, 1 ) ) == Math.sqrt( 2 ), "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector2( -1, -1 ) ) == Math.sqrt( 2 ), "Passed!" );
+
+	ok( b.distanceToPoint( new THREE.Vector2( 2, 2 ) ) == Math.sqrt( 2 ), "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( 1, 1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( 0, 0 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( -1, -1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( -2, -2 ) ) == Math.sqrt( 2 ), "Passed!" );
+});
+
+test( "distanceToPoint", function() {
+	var a = new THREE.Box2( zero, one );
+	var b = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.distanceToPoint( new THREE.Vector2( 0, 0 ) ) == 0, "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector2( 1, 1 ) ) == Math.sqrt( 2 ), "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector2( -1, -1 ) ) == Math.sqrt( 2 ), "Passed!" );
+
+	ok( b.distanceToPoint( new THREE.Vector2( 2, 2 ) ) == Math.sqrt( 2 ), "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( 1, 1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( 0, 0 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( -1, -1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector2( -2, -2 ) ) == Math.sqrt( 2 ), "Passed!" );
+});
+
+test( "isIntersection", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.isIntersection( a ), "Passed!" );
+	ok( a.isIntersection( b ), "Passed!" );
+	ok( a.isIntersection( c ), "Passed!" );
+
+	ok( b.isIntersection( a ), "Passed!" );
+	ok( c.isIntersection( a ), "Passed!" );
+	ok( b.isIntersection( c ), "Passed!" );
+
+	b.translate( one.clone().translate( new THREE.Vector2( 2, 2 ) ));
+	ok( ! a.isIntersection( b ), "Passed!" );
+	ok( ! b.isIntersection( a ), "Passed!" );
+	ok( ! c.isIntersection( a ), "Passed!" );
+	ok( ! b.isIntersection( c ), "Passed!" );
+});
+
+test( "intersect", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.clone().intersect( a ).equals( a ), "Passed!" );
+	ok( a.clone().intersect( b ).equals( a ), "Passed!" );
+	ok( b.clone().intersect( b ).equals( b ), "Passed!" );
+	ok( a.clone().intersect( c ).equals( a ), "Passed!" );
+	ok( b.clone().intersect( c ).equals( b ), "Passed!" );
+	ok( c.clone().intersect( c ).equals( c ), "Passed!" );
+});
+
+test( "union", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+
+	ok( a.clone().union( a ).equals( a ), "Passed!" );
+	ok( a.clone().union( b ).equals( b ), "Passed!" );
+	ok( a.clone().union( c ).equals( c ), "Passed!" );
+	ok( b.clone().union( c ).equals( c ), "Passed!" );
+});
+
+test( "translate", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+	var d = new THREE.Box2( one.clone().negate(), zero );
+
+	ok( a.clone().translate( one ).equals( new THREE.Box2( one, one ) ), "Passed!" );
+	ok( a.clone().translate( one ).translate( one.clone().negate() ).equals( a ), "Passed!" );
+	ok( d.clone().translate( one ).equals( b ), "Passed!" );
+	ok( b.clone().translate( one.clone().negate() ).equals( d ), "Passed!" );
+});
+
+test( "scale", function() {
+	var a = new THREE.Box2( zero );
+	var b = new THREE.Box2( zero, one );
+	var c = new THREE.Box2( one.clone().negate(), one );
+	var d = new THREE.Box2( one.clone().negate(), zero );
+
+	ok( b.clone().scale( 0 ).equals( a ), "Passed!" );
+	ok( b.clone().scale( 2 ).equals( new THREE.Box2( zero, new THREE.Vector2( 2, 2 ) ) ), "Passed!" );
+	ok( d.clone().scale( 2 ).equals( new THREE.Box2( new THREE.Vector2( 2, 2 ).negate(), zero ) ), "Passed!" );
+});

test/core/Box3.js

@@ -50,3 +50,224 @@ test( "set", function() {
 	ok( a.max.equals( one ), "Passed!" );
 });
 
+test( "empty/makeEmpty", function() {
+	var a = new THREE.Box3();
+
+	ok( a.empty(), "Passed!" );
+
+	var a = new THREE.Box3( zero, one );
+	ok( ! a.empty(), "Passed!" );
+
+	a.makeEmpty();
+	ok( a.empty(), "Passed!" );
+});
+
+test( "volume", function() {
+	var a = new THREE.Box3( zero, one );
+	ok( a.volume() == 1, "Passed!" );
+});
+
+test( "center", function() {
+	var a = new THREE.Box3( zero );
+
+	ok( a.center().equals( zero ), "Passed!" );
+
+	a = new THREE.Box3( zero, one );
+	var midpoint = one.clone().multiplyScalar( 0.5 );
+	ok( a.center().equals( midpoint ), "Passed!" );
+});
+
+test( "size", function() {
+	var a = new THREE.Box3( zero );
+
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a = new THREE.Box3( zero, one );
+	ok( a.size().equals( one ), "Passed!" );
+});
+
+test( "expandByPoint", function() {
+	var a = new THREE.Box3( zero );
+
+	a.expandByPoint( zero );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByPoint( one );
+	ok( a.size().equals( one ), "Passed!" );
+
+	a.expandByPoint( one.clone().negate() );
+	ok( a.size().equals( one.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "expandByVector", function() {
+	var a = new THREE.Box3( zero );
+
+	a.expandByVector( zero );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByVector( one );
+	ok( a.size().equals( one.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "expandByScalar", function() {
+	var a = new THREE.Box3( zero );
+
+	a.expandByScalar( 0 );
+	ok( a.size().equals( zero ), "Passed!" );
+
+	a.expandByScalar( 1 );
+	ok( a.size().equals( oneone.clone().multiplyScalar( 2 ) ), "Passed!" );
+	ok( a.center().equals( zero ), "Passed!" );
+});
+
+test( "containsPoint", function() {
+	var a = new THREE.Box3( zero );
+
+	ok( a.containsPoint( zero ), "Passed!" );
+	ok( ! a.containsPoint( one ), "Passed!" );
+
+	a.expandByScalar( 1 );
+	ok( a.containsPoint( zero ), "Passed!" );
+	ok( a.containsPoint( one ), "Passed!" );
+	ok( a.containsPoint( one.clone().negate() ), "Passed!" );
+});
+
+test( "containsBox", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.containsBox( a ), "Passed!" );
+	ok( ! a.containsBox( b ), "Passed!" );
+	ok( ! a.containsBox( c ), "Passed!" );
+
+	ok( b.containsBox( a ), "Passed!" );
+	ok( c.containsBox( a ), "Passed!" );
+	ok( ! b.containsBox( c ), "Passed!" );
+});
+
+test( "getParameter", function() {
+	var a = new THREE.Box3( zero, one );
+	var b = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.getParameter( new THREE.Vector3( 0, 0, 0 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+	ok( a.getParameter( new THREE.Vector3( 1, 1, 1 ) ).equals( new THREE.Vector3( 1, 1, 1 ) ), "Passed!" );
+
+	ok( b.getParameter( new THREE.Vector3( -1, -1, -1 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+	ok( b.getParameter( new THREE.Vector3( 0, 0, 0 ) ).equals( new THREE.Vector3( 0.5, 0.5, 0.5 ) ), "Passed!" );
+	ok( b.getParameter( new THREE.Vector3( 1, 1, 1 ) ).equals( new THREE.Vector3( 1, 1, 1 ) ), "Passed!" );
+});
+
+test( "clampPoint", function() {
+	var a = new THREE.Box3( zero, one );
+	var b = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.clampPoint( new THREE.Vector3( 0, 0, 0 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+	ok( a.clampPoint( new THREE.Vector3( 1, 1, 1 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+	ok( a.clampPoint( new THREE.Vector3( -1, -1, -1 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+
+	ok( b.clampPoint( new THREE.Vector3( 2, 2, 2 ) ).equals( new THREE.Vector3( 1, 1, 1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector3( 1, 1, 1 ) ).equals( new THREE.Vector3( 1, 1, 1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector3( 0, 0, 0 ) ).equals( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector3( -1, -1, -1 ) ).equals( new THREE.Vector3( -1, -1, -1 ) ), "Passed!" );
+	ok( b.clampPoint( new THREE.Vector3( -2, -2, -2 ) ).equals( new THREE.Vector3( -1, -1, -1 ) ), "Passed!" );
+});
+
+test( "distanceToPoint", function() {
+	var a = new THREE.Box3( zero, one );
+	var b = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.distanceToPoint( new THREE.Vector3( 0, 0, 0 ) ) == 0, "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector3( 1, 1, 1 ) ) == Math.sqrt( 3 ), "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector3( -1, -1, -1 ) ) == Math.sqrt( 3 ), "Passed!" );
+
+	ok( b.distanceToPoint( new THREE.Vector3( 2, 2, 2 ) ) == Math.sqrt( 3 ), "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( 1, 1, 1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( 0, 0, 0 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( -1, -1, -1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( -2, -2, -2 ) ) == Math.sqrt( 3 ), "Passed!" );
+});
+
+test( "distanceToPoint", function() {
+	var a = new THREE.Box3( zero, one );
+	var b = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.distanceToPoint( new THREE.Vector3( 0, 0, 0 ) ) == 0, "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector3( 1, 1, 1 ) ) == Math.sqrt( 3 ), "Passed!" );
+	ok( a.distanceToPoint( new THREE.Vector3( -1, -1, -1 ) ) == Math.sqrt( 3 ), "Passed!" );
+
+	ok( b.distanceToPoint( new THREE.Vector3( 2, 2, 2 ) ) == Math.sqrt( 3 ), "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( 1, 1, 1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( 0, 0, 0 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( -1, -1, -1 ) ) == 0, "Passed!" );
+	ok( b.distanceToPoint( new THREE.Vector3( -2, -2, -2 ) ) == Math.sqrt( 3 ), "Passed!" );
+});
+
+test( "isIntersection", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.isIntersection( a ), "Passed!" );
+	ok( a.isIntersection( b ), "Passed!" );
+	ok( a.isIntersection( c ), "Passed!" );
+
+	ok( b.isIntersection( a ), "Passed!" );
+	ok( c.isIntersection( a ), "Passed!" );
+	ok( b.isIntersection( c ), "Passed!" );
+
+	b.translate( one.clone().translate( new THREE.Vector3( 2, 2, 2 ) ));
+	ok( ! a.isIntersection( b ), "Passed!" );
+	ok( ! b.isIntersection( a ), "Passed!" );
+	ok( ! c.isIntersection( a ), "Passed!" );
+	ok( ! b.isIntersection( c ), "Passed!" );
+});
+
+test( "intersect", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.clone().intersect( a ).equals( a ), "Passed!" );
+	ok( a.clone().intersect( b ).equals( a ), "Passed!" );
+	ok( b.clone().intersect( b ).equals( b ), "Passed!" );
+	ok( a.clone().intersect( c ).equals( a ), "Passed!" );
+	ok( b.clone().intersect( c ).equals( b ), "Passed!" );
+	ok( c.clone().intersect( c ).equals( c ), "Passed!" );
+});
+
+test( "union", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+
+	ok( a.clone().union( a ).equals( a ), "Passed!" );
+	ok( a.clone().union( b ).equals( b ), "Passed!" );
+	ok( a.clone().union( c ).equals( c ), "Passed!" );
+	ok( b.clone().union( c ).equals( c ), "Passed!" );
+});
+
+test( "translate", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+	var d = new THREE.Box3( one.clone().negate(), zero );
+
+	ok( a.clone().translate( one ).equals( new THREE.Box3( one, one ) ), "Passed!" );
+	ok( a.clone().translate( one ).translate( one.clone().negate() ).equals( a ), "Passed!" );
+	ok( d.clone().translate( one ).equals( b ), "Passed!" );
+	ok( b.clone().translate( one.clone().negate() ).equals( d ), "Passed!" );
+});
+
+test( "scale", function() {
+	var a = new THREE.Box3( zero );
+	var b = new THREE.Box3( zero, one );
+	var c = new THREE.Box3( one.clone().negate(), one );
+	var d = new THREE.Box3( one.clone().negate(), zero );
+
+	ok( b.clone().scale( 0 ).equals( a ), "Passed!" );
+	ok( b.clone().scale( 2 ).equals( new THREE.Box3( zero, new THREE.Vector3( 2, 2, 2 ) ) ), "Passed!" );
+	ok( d.clone().scale( 2 ).equals( new THREE.Box3( new THREE.Vector3( 2, 2, 2 ).negate(), zero ) ), "Passed!" );
+});

test/testsuite.html

@@ -12,6 +12,7 @@
   <script src="core/Vector2.js"></script>
   <script src="core/Vector3.js"></script>
   <script src="core/Vector4.js"></script>
+  <script src="core/Box2.js"></script>
   <script src="core/Box3.js"></script>
 </body>
 </html>