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

   1 #include "StringAccessTest.h"
   2 #include "cppunit/TestCaller.h"
   3 #include <stdio.h>
   4 #include <String.h>
   5 #include <UTF8.h>
   6
   7 StringAccessTest::StringAccessTest(std::string name) :
   8                 BTestCase(name)
   9 {
  10 }
  11
  12
  13
  14 StringAccessTest::~StringAccessTest()
  15 {
  16 }
  17
  18
  19 void
  20 StringAccessTest::PerformTest(void)
  21 {
  22         //CountChars(), Length(), String()
  23         NextSubTest();
  24         BString string("Something" B_UTF8_ELLIPSIS);
  25         CPPUNIT_ASSERT(string.CountChars() == 10);
  26         CPPUNIT_ASSERT((unsigned)string.Length() == strlen(string.String()));
  27
  28         NextSubTest();
  29         BString string2("ABCD");
  30         CPPUNIT_ASSERT(string2.CountChars() == 4);
  31         CPPUNIT_ASSERT((unsigned)string2.Length() == strlen(string2.String()));
  32
  33         NextSubTest();
  34         static char s[64];
  35         strcpy(s, B_UTF8_ELLIPSIS);
  36         strcat(s, B_UTF8_SMILING_FACE);
  37         BString string3(s);
  38         CPPUNIT_ASSERT(string3.CountChars() == 2);
  39         CPPUNIT_ASSERT((unsigned)string3.Length() == strlen(string3.String()));
  40
  41         //An empty string
  42         NextSubTest();
  43         BString empty;
  44         CPPUNIT_ASSERT(strcmp(empty.String(), "") == 0);
  45         CPPUNIT_ASSERT(empty.Length() == 0);
  46         CPPUNIT_ASSERT(empty.CountChars() == 0);
  47
  48         //Truncate the string at end so we are left with an invalid
  49         //UTF8 character
  50         NextSubTest();
  51         BString invalid("some text with utf8 characters" B_UTF8_ELLIPSIS);
  52         invalid.Truncate(invalid.Length() -1);
  53         CPPUNIT_ASSERT(invalid.CountChars() == 31);
  54
  55         //LockBuffer(int32) and UnlockBuffer(int32)
  56         NextSubTest();
  57         BString locked("a string");
  58         char *ptrstr = locked.LockBuffer(20);
  59         CPPUNIT_ASSERT(strcmp(ptrstr, "a string") == 0);
  60         strcat(ptrstr, " to be locked");
  61         locked.UnlockBuffer();
  62         CPPUNIT_ASSERT(strcmp(ptrstr, "a string to be locked") == 0);
  63
  64         NextSubTest();
  65         BString locked2("some text");
  66         char *ptr = locked2.LockBuffer(3);
  67         CPPUNIT_ASSERT(strcmp(ptr, "some text") == 0);
  68         locked2.UnlockBuffer(4);
  69         CPPUNIT_ASSERT(strcmp(locked2.String(), "some") == 0);
  70         CPPUNIT_ASSERT(locked2.Length() == 4);
  71
  72         NextSubTest();
  73         BString emptylocked;
  74         ptr = emptylocked.LockBuffer(10);
  75         CPPUNIT_ASSERT(strcmp(ptr, "") == 0);
  76         strcat(ptr, "pippo");
  77         emptylocked.UnlockBuffer();
  78         CPPUNIT_ASSERT(strcmp(emptylocked.String(), "pippo") == 0);
  79
  80         // LockBuffer(0) and UnlockBuffer(-1) on a zero lenght string
  81 #ifndef TEST_R5
  82         NextSubTest();
  83         BString crashesR5;
  84         ptr = crashesR5.LockBuffer(0);
  85         crashesR5.UnlockBuffer(-1);
  86         CPPUNIT_ASSERT(strcmp(crashesR5.String(), "") == 0);
  87 #endif
  88 }
  89
  90
  91 CppUnit::Test *StringAccessTest::suite(void)
  92 {
  93         typedef CppUnit::TestCaller<StringAccessTest>
  94                 StringAccessTestCaller;
  95
  96         return(new StringAccessTestCaller("BString::Access Test", &StringAccessTest::PerformTest));
  97 }