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node_modules/packery/test/unit/test-packer.js

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+/**
+ * Packer tests
+ */
+
+( function() {
+
+QUnit.module('Packer');
+
+var Packer = Packery.Packer;
+var Rect = Packery.Rect;
+
+QUnit.test( 'basics', function( assert ) {
+  assert.equal( typeof Packer === 'function', true, 'Packery is a function' );
+});
+
+QUnit.test( 'packing', function( assert ) {
+  var packr = new Packer( 30, 100 );
+
+  // 112
+  // 352
+  // 344
+  // xxx
+  // xxx
+
+  var rect1 = new Rect({ width: 20, height: 10 });
+  var rect2 = new Rect({ width: 10, height: 20 });
+  var rect3 = new Rect({ width: 10, height: 20 });
+  var rect4 = new Rect({ width: 20, height: 10 });
+  var rect5 = new Rect({ width: 10, height: 10 });
+
+  packr.pack( rect1 );
+  packr.pack( rect2 );
+  packr.pack( rect3 );
+  packr.pack( rect4 );
+  packr.pack( rect5 );
+
+  assert.equal( rect1.x, 0, 'rect1.x top left' );
+  assert.equal( rect1.y, 0, 'rect1.y top left' );
+  assert.equal( rect2.x, 20, 'rect2.x top right' );
+  assert.equal( rect2.y, 0, 'rect2.y top right' );
+  assert.equal( rect3.x, 0, 'rect3.x bottom left' );
+  assert.equal( rect3.y, 10, 'rect3.y bottom left' );
+  assert.equal( rect4.x, 10, 'rect4.x bottom right' );
+  assert.equal( rect4.y, 20, 'rect4.y bottom right' );
+  assert.equal( rect5.x, 10, 'rect5.x packed in center' );
+  assert.equal( rect5.y, 10, 'rect5.y packed in center' );
+
+  // bottom space is open
+  assert.equal( packr.spaces.length, 1, 'one space open' );
+  var space = packr.spaces[0];
+  assert.equal( space.width, 30, 'space.width' );
+  assert.equal( space.height, 70, 'space.height' );
+  assert.equal( space.x, 0, 'space.x' );
+  assert.equal( space.y, 30, 'space.y' );
+
+});
+QUnit.test( 'packing with a placed', function( assert ) {
+  var packr = new Packer( 30, 100 );
+
+  // 225
+  // 311
+  // 34x
+  // x4x
+  // xxx
+  // xxx
+
+  var rect1 = new Rect({
+    width: 20,
+    height: 10,
+    x: 10,
+    y: 10
+  });
+  var rect2 = new Rect({ width: 20, height: 10 });
+  var rect3 = new Rect({ width: 10, height: 20 });
+  var rect4 = new Rect({ width: 10, height: 20 });
+  var rect5 = new Rect({ width: 10, height: 10 });
+
+  packr.placed( rect1 );
+  packr.pack( rect2 );
+  packr.pack( rect3 );
+  packr.pack( rect4 );
+  packr.pack( rect5 );
+
+  assert.equal( rect2.x, 0, 'rect2.x top left' );
+  assert.equal( rect2.y, 0, 'rect2.y top left' );
+  assert.equal( rect3.x, 0, 'rect3.x left side' );
+  assert.equal( rect3.y, 10, 'rect3.y left side' );
+  assert.equal( rect4.x, 10, 'rect4.x bottom center' );
+  assert.equal( rect4.y, 20, 'rect4.y bottom center' );
+  assert.equal( rect5.x, 20, 'rect5.x packed in top right' );
+  assert.equal( rect5.y, 0, 'rect5.y packed in top right' );
+
+  assert.equal( packr.spaces.length, 3, '3 spaces left' );
+
+});
+
+QUnit.test( 'packing horizontal', function( assert ) {
+
+  function checkRect( rect, x, y ) {
+    assert.equal( rect.x, x, 'x: ' + x );
+    assert.equal( rect.y, y, 'y: ' + y );
+  }
+
+  var packr = new Packer( 100, 30, 'rightwardTopToBottom' );
+
+  // 133xx
+  // 154xx
+  // 224xx
+
+  var rect1 = new Rect({ width: 10, height: 20 });
+  var rect2 = new Rect({ width: 20, height: 10 });
+  var rect3 = new Rect({ width: 20, height: 10 });
+  var rect4 = new Rect({ width: 10, height: 20 });
+  var rect5 = new Rect({ width: 10, height: 10 });
+
+  packr.pack( rect1 );
+  packr.pack( rect2 );
+  packr.pack( rect3 );
+  packr.pack( rect4 );
+  packr.pack( rect5 );
+
+  checkRect( rect1, 0, 0 );
+  checkRect( rect2, 0, 20 );
+  checkRect( rect3, 10, 0 );
+  checkRect( rect4, 20, 10 );
+  checkRect( rect5, 10, 10 );
+
+  // bottom space is open
+  assert.equal( packr.spaces.length, 1, 'one space open' );
+  var space = packr.spaces[0];
+  assert.equal( space.width, 70, 'space.width' );
+  assert.equal( space.height, 30, 'space.height' );
+  checkRect( space, 30, 0 );
+
+});
+
+})();