Add Testing to uikit.

Summary: I'm going to make some changes, but first, I want to get testing setup.

Reviewed By: rnystrom

Differential Revision: D4022585

fbshipit-source-id: a48516faad0bcb1a9cf5610ab21da5ee099c6f16

uikit/CSSLayout/BUCK

@@ -9,10 +9,29 @@ include_defs('//CSSLAYOUT_DEFS')
 
 apple_library(
   name = 'CSSLayout',
+  tests = [':CSSLayoutTests'],
   srcs = glob(['*.m']),
   exported_headers = glob(['*.h']),
+  frameworks = [
+    '$SDKROOT/System/Library/Frameworks/Foundation.framework',
+    '$SDKROOT/System/Library/Frameworks/UIKit.framework',
+  ],
   deps = [
     csslayout_dep(':CSSLayout'),
   ],
   visibility = ['PUBLIC'],
 )
+
+apple_test(
+  name = 'CSSLayoutTests',
+  info_plist = 'Tests/Info.plist',
+  srcs = glob(['Tests/**/*.m']),
+  frameworks = [
+    '$SDKROOT/System/Library/Frameworks/CoreGraphics.framework',
+    '$PLATFORM_DIR/Developer/Library/Frameworks/XCTest.framework',
+  ],
+  deps = [
+    ':CSSLayout',
+  ],
+  visibility = ['PUBLIC'],
+)

uikit/CSSLayout/Tests/CSSLayoutTests.m

@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <XCTest/XCTest.h>
+
+#import "UIView+CSSLayout.h"
+
+@interface CSSLayoutTests : XCTestCase
+@end
+
+@implementation CSSLayoutTests
+
+- (void)testSmoke
+{
+  UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
+  [view css_setUsesFlexbox:YES];
+  XCTAssertTrue([view css_usesFlexbox]);
+}
+
+@end

uikit/CSSLayout/Tests/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>