implement pinch to zoom

2026-08-30 16:15:14 +02:00
parent ea50704f8a
commit 7eb02f07dc
160 changed files with 15806 additions and 61 deletions
@@ -0,0 +1,80 @@
+
+/* test dependencies */
+
+var clone = require('..');
+var expect = require('expect.js');
+
+/* tests */
+
+describe('clone', function(){
+
+  it('date', function(){
+    var obj = new Date;
+    var cloned = clone(obj);
+    expect(cloned.getTime()).to.be(obj.getTime());
+    expect(cloned).not.to.be(obj);
+  });
+
+  it('regexp', function(){
+    var obj = /hello/i;
+    var cloned = clone(obj);
+    expect(cloned.toString()).to.be(obj.toString());
+    expect(cloned).not.to.be(obj);
+  });
+
+  it('array', function(){
+    var obj = [1, 2, 3, '4'];
+    var cloned = clone(obj);
+    expect(cloned).to.eql(obj);
+    expect(cloned).not.to.be(obj);
+  });
+
+  it('object', function(){
+    var obj = {
+      a: 1,
+      b: 2,
+      c: 3
+    };
+    var cloned = clone(obj);
+    expect(cloned).to.eql(obj);
+    expect(cloned).not.to.be(obj);
+  });
+
+  it('object combined', function(){
+    var date = new Date;
+    var obj = {
+      a: {
+        b: [1, 2, date, { hello: 'world' }]
+      }
+    };
+    var cloned = clone(obj);
+    expect(cloned).to.eql(obj);
+    expect(cloned.a).not.to.be(obj.a);
+    expect(cloned.a.b).not.to.be(obj.a.b);
+    expect(cloned.a.b[2]).not.to.be(obj.a.b[2]);
+    expect(cloned.a.b[2].getTime()).to.be(obj.a.b[2].getTime());
+    expect(cloned.a.b[3]).to.eql(obj.a.b[3]);
+    expect(cloned.a.b[3]).not.to.be(obj.a.b[3]);
+  });
+
+  it('object with functions', function() {
+    var func   = function () { return 'original'; };
+    var host   = { fluent: func };
+    var cloned = clone(host);
+
+    // cloned function matches original
+
+    expect(cloned.fluent).to.be(func);
+
+    // change cloned function (no longer matches original)
+
+    cloned.fluent = function () { return 'updated'; };
+    expect(cloned.fluent).not.to.be(func);
+    expect(cloned.fluent()).to.be('updated');
+
+    // original function is still in place
+
+    expect(func()).to.be('original');
+  });
+
+});