src/tests/testString.cc

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "mem/forward.h"
  11 #include "SquidString.h"
  12 #include "testString.h"
  13 #include "unitTestMain.h"
  14
  15 CPPUNIT_TEST_SUITE_REGISTRATION( testString );
  16
  17 /* init memory pools */
  18
  19 void
  20 testString::setUp()
  21 {
  22     Mem::Init();
  23 }
  24
  25 void
  26 testString::testCmpDefault()
  27 {
  28     String left, right;
  29     /* two default strings are equal */
  30     CPPUNIT_ASSERT(!left.cmp(right));
  31     CPPUNIT_ASSERT(!left.cmp(nullptr));
  32     CPPUNIT_ASSERT(!left.cmp(nullptr, 1));
  33 }
  34
  35 void
  36 testString::testCmpEmptyString()
  37 {
  38     String left("");
  39     String right;
  40     /* an empty string ("") is equal to a default string */
  41     CPPUNIT_ASSERT(!left.cmp(right));
  42     CPPUNIT_ASSERT(!left.cmp(nullptr));
  43     CPPUNIT_ASSERT(!left.cmp(nullptr, 1));
  44     /* reverse the order to catch corners */
  45     CPPUNIT_ASSERT(!right.cmp(left));
  46     CPPUNIT_ASSERT(!right.cmp(""));
  47     CPPUNIT_ASSERT(!right.cmp("", 1));
  48 }
  49
  50 void
  51 testString::testCmpNotEmptyDefault()
  52 {
  53     String left("foo");
  54     String right;
  55     /* empty string sorts before everything */
  56     CPPUNIT_ASSERT(left.cmp(right) > 0);
  57     CPPUNIT_ASSERT(left.cmp(nullptr) > 0);
  58     CPPUNIT_ASSERT(left.cmp(nullptr, 1) > 0);
  59     /* reverse for symmetry tests */
  60     CPPUNIT_ASSERT(right.cmp(left) < 0);
  61     CPPUNIT_ASSERT(right.cmp("foo") < 0);
  62     CPPUNIT_ASSERT(right.cmp("foo", 1) < 0);
  63 }
  64
  65 void testString::testSubstr()
  66 {
  67     String s("0123456789");
  68     String check=s.substr(3,5);
  69     String ref("34");
  70     CPPUNIT_ASSERT(check == ref);
  71 }
  72