More tests for BString

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1487 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/support/bstring/StringRemoveTest.cpp

@@ -0,0 +1,107 @@
+#include "StringRemoveTest.h"
+#include "cppunit/TestCaller.h"
+#include <String.h>
+#include <stdio.h>
+
+StringRemoveTest::StringRemoveTest(std::string name) :
+		BTestCase(name)
+{
+}
+
+ 
+
+StringRemoveTest::~StringRemoveTest()
+{
+}
+
+
+void 
+StringRemoveTest::PerformTest(void)
+{
+	BString *string1, *string2;
+	
+	//Truncate(int32 newLength, bool lazy);
+	//lazy = true
+	NextSubTest();
+	string1 = new BString("This is a long string");
+	string1->Truncate(14, true);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "This is a long") == 0);
+	CPPUNIT_ASSERT(string1->Length() == 14);
+	delete string1;
+	
+	//lazy = false
+	NextSubTest();
+	string1 = new BString("This is a long string");
+	string1->Truncate(14, false);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "This is a long") == 0);
+	CPPUNIT_ASSERT(string1->Length() == 14);
+	delete string1;
+	
+	//new length is < 0
+	//commented out as it crashes r5 implementation
+	//NextSubTest();
+	//string1 = new BString("This is a long string");
+	//string1->Truncate(-3);
+	//CPPUNIT_ASSERT(strcmp(string1->String(), "This is a long string") == 0);
+	//CPPUNIT_ASSERT(string1->Length() == 21);
+	//delete string1;	
+	
+	//new length is > old length
+	NextSubTest();
+	string1 = new BString("This is a long string");
+	string1->Truncate(45);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "This is a long string") == 0);
+	CPPUNIT_ASSERT(string1->Length() == 21);
+	delete string1;
+	
+	//String was empty
+	NextSubTest();
+	string1 = new BString;
+	string1->Truncate(0);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "") == 0);
+	CPPUNIT_ASSERT(string1->Length() == 0);
+	delete string1;
+	
+	//Remove(int32 from, int32 length)
+	NextSubTest();
+	string1 = new BString("a String");
+	string1->Remove(2, 2);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "a ring") == 0);
+	delete string1;
+	
+	//String was empty
+	NextSubTest();
+	string1 = new BString;
+	string1->Remove(2, 1);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "") == 0);
+	delete string1;
+	
+	//from is beyond the end of the string
+	NextSubTest();
+	string1 = new BString("a String");
+	string1->Remove(20, 2);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "a String") == 0);
+	delete string1;
+	
+	//from + length is > Length()
+	NextSubTest();
+	string1 = new BString("a String");
+	string1->Remove(4, 30);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "a String") == 0);
+	delete string1;
+	
+	NextSubTest();
+	string1 = new BString("a String");
+	string1->Remove(-3, 5);
+	CPPUNIT_ASSERT(strcmp(string1->String(), "ing") == 0);
+	delete string1;
+}
+
+
+CppUnit::Test *StringRemoveTest::suite(void)
+{	
+	typedef CppUnit::TestCaller<StringRemoveTest>
+		StringRemoveTestCaller;
+		
+	return(new StringRemoveTestCaller("BString::Remove Test", &StringRemoveTest::PerformTest));
+}