Add SkString.contains()
Review URL: https://codereview.appspot.com/6130046

git-svn-id: http://skia.googlecode.com/svn/trunk@3781 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/StringTest.cpp b/tests/StringTest.cpp
index 52a038d..ebf7006 100644
--- a/tests/StringTest.cpp
+++ b/tests/StringTest.cpp
@@ -56,6 +56,19 @@
     REPORTER_ASSERT(reporter, a.equals("hello"));
     REPORTER_ASSERT(reporter, !a.equals("help"));
 
+    REPORTER_ASSERT(reporter,  a.startsWith("hell"));
+    REPORTER_ASSERT(reporter, !a.startsWith( "ell"));
+    REPORTER_ASSERT(reporter,  a.startsWith(""));
+    REPORTER_ASSERT(reporter,  a.endsWith("llo"));
+    REPORTER_ASSERT(reporter, !a.endsWith("ll" ));
+    REPORTER_ASSERT(reporter,  a.endsWith(""));
+    REPORTER_ASSERT(reporter,  a.contains("he"));
+    REPORTER_ASSERT(reporter,  a.contains("ll"));
+    REPORTER_ASSERT(reporter,  a.contains("lo"));
+    REPORTER_ASSERT(reporter,  a.contains("hello"));
+    REPORTER_ASSERT(reporter, !a.contains("hellohello"));
+    REPORTER_ASSERT(reporter,  a.contains(""));
+    
     SkString    e(a);
     SkString    f("hello");
     SkString    g("helloz", 5);