[fixed] Col Offset/Pull/Push of zero. Fixes react-bootstrap#406

test/ColSpec.jsx

@@ -0,0 +1,43 @@
+/*global describe, it, assert */
+
+var React          = require('react');
+var ReactTestUtils = require('react/lib/ReactTestUtils');
+var Col            = require('../lib/Col');
+
+describe('Col', function () {
+  it('Should set Offset of zero', function () {
+    var instance = ReactTestUtils.renderIntoDocument(
+      <Col xsOffset={0} smOffset={0} mdOffset={0} lgOffset={0} />
+    );
+
+    var instanceClassName = instance.getDOMNode().className;
+    assert.ok(instanceClassName.match(/\bcol-xs-offset-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-sm-offset-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-md-offset-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-lg-offset-0\b/));
+  });
+
+  it('Should set Pull of zero', function () {
+    var instance = ReactTestUtils.renderIntoDocument(
+      <Col xsPull={0} smPull={0} mdPull={0} lgPull={0} />
+    );
+
+    var instanceClassName = instance.getDOMNode().className;
+    assert.ok(instanceClassName.match(/\bcol-xs-pull-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-sm-pull-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-md-pull-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-lg-pull-0\b/));
+  });
+
+  it('Should set Push of zero', function () {
+    var instance = ReactTestUtils.renderIntoDocument(
+      <Col xsPush={0} smPush={0} mdPush={0} lgPush={0} />
+    );
+
+    var instanceClassName = instance.getDOMNode().className;
+    assert.ok(instanceClassName.match(/\bcol-xs-push-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-sm-push-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-md-push-0\b/));
+    assert.ok(instanceClassName.match(/\bcol-lg-push-0\b/));
+  });
+});