height overrides top+bottom

src/Layout.js

@@ -484,6 +484,12 @@ var computeLayout = (function() {
             getPosition(child, trailing[mainAxis]);
         }
         if (leadingPos && trailingPos) {
+          if (isDimDefined(child, mainAxis)) {
+            child.layout[dim[mainAxis]] = fmaxf(
+              child.style[dim[mainAxis]],
+              getPaddingAndBorderAxis(node, mainAxis)
+            );
+          } else {
             child.layout[dim[mainAxis]] = fmaxf(0,
               node.layout[dim[mainAxis]] -
               child.layout[pos[mainAxis]] -
@@ -493,6 +499,7 @@ var computeLayout = (function() {
           }
         }
       }
+    }
 
     // <Loop D> Position elements in the cross axis
 

src/__tests__/Layout-test.js

@@ -972,6 +972,17 @@ describe('Layout', function() {
     );
   });
 
+  it('should layout with position absolute top, bottom and height', function() {
+    testLayout(
+      {style: {}, children: [
+        {style: {top: 5, bottom: 5, height: 900, position: 'absolute'}}
+      ]},
+      {width: 0, height: 0, top: 0, left: 0, children: [
+        {width: 0, height: 900, top: 5, left: 0}
+      ]}
+    );
+  });
+
   xit('should layout text with alignItems: stretch', function() {
     testLayout(
       {style: {width: 80, padding: 7, alignItems: 'stretch', measure: text('loooooooooong with space')}},