fix(Col): account for 0 col properties (#378)

TheSharpieOne · eddywashere · commit fe48e9eca29e · 2017-03-30T17:17:07.000-07:00
fixes: #374
diff --git a/src/Col.js b/src/Col.js
@@ -78,9 +78,9 @@ const Col = (props) => {
 
       colClasses.push(mapToCssModules(classNames({
         [colClass]: columnProp.size || columnProp.size === '',
-        [`push${colSizeInterfix}${columnProp.push}`]: columnProp.push,
-        [`pull${colSizeInterfix}${columnProp.pull}`]: columnProp.pull,
-        [`offset${colSizeInterfix}${columnProp.offset}`]: columnProp.offset
+        [`push${colSizeInterfix}${columnProp.push}`]: columnProp.push || columnProp.push === 0,
+        [`pull${colSizeInterfix}${columnProp.pull}`]: columnProp.pull || columnProp.pull === 0,
+        [`offset${colSizeInterfix}${columnProp.offset}`]: columnProp.offset || columnProp.offset === 0
       })), cssModule);
     } else {
       colClass = getColumnSizeClass(isXs, colWidth, columnProp);
diff --git a/src/__tests__/Col.spec.js b/src/__tests__/Col.spec.js
@@ -70,6 +70,16 @@ describe('Col', () => {
     expect(wrapper.hasClass('offset-sm-2')).toBe(true);
   });
 
+  it('should pass col size specific classes via Objects including 0', () => {
+    const wrapper = shallow(<Col sm={{ size: 6, push: 0, pull: 0, offset: 0 }} />);
+
+    expect(wrapper.hasClass('col-sm-6')).toBe(true);
+    expect(wrapper.hasClass('col')).toBe(true);
+    expect(wrapper.hasClass('push-sm-0')).toBe(true);
+    expect(wrapper.hasClass('pull-sm-0')).toBe(true);
+    expect(wrapper.hasClass('offset-sm-0')).toBe(true);
+  });
+
   it('should pass col size when passing via object with size "auto"', () => {
     const wrapper = shallow(<Col
       sm={{ size: 'auto', push: 2, pull: 2, offset: 2 }}
