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 "compat/cppunit.h"
  11 #include "mem/forward.h"
  12 #include "SquidString.h"
  13 #include "unitTestMain.h"
  14
  15 /*
  16  * test the store framework
  17  */
  18
  19 class TestString : public CPPUNIT_NS::TestFixture
  20 {
  21     CPPUNIT_TEST_SUITE(TestString);
  22     CPPUNIT_TEST(testCmpDefault);
  23     CPPUNIT_TEST(testCmpEmptyString);
  24     CPPUNIT_TEST(testCmpNotEmptyDefault);
  25     CPPUNIT_TEST(testSubstr);
  26
  27     CPPUNIT_TEST_SUITE_END();
  28
  29 protected:
  30     void testCmpDefault();
  31     void testCmpEmptyString();
  32     void testCmpNotEmptyDefault();
  33     void testSubstr();
  34 };
  35 CPPUNIT_TEST_SUITE_REGISTRATION(TestString);
  36
  37 void
  38 TestString::testCmpDefault()
  39 {
  40     String left, right;
  41     /* two default strings are equal */
  42     CPPUNIT_ASSERT(!left.cmp(right));
  43     CPPUNIT_ASSERT(!left.cmp(nullptr));
  44     CPPUNIT_ASSERT(!left.cmp(nullptr, 1));
  45 }
  46
  47 void
  48 TestString::testCmpEmptyString()
  49 {
  50     String left("");
  51     String right;
  52     /* an empty string ("") is equal to a default string */
  53     CPPUNIT_ASSERT(!left.cmp(right));
  54     CPPUNIT_ASSERT(!left.cmp(nullptr));
  55     CPPUNIT_ASSERT(!left.cmp(nullptr, 1));
  56     /* reverse the order to catch corners */
  57     CPPUNIT_ASSERT(!right.cmp(left));
  58     CPPUNIT_ASSERT(!right.cmp(""));
  59     CPPUNIT_ASSERT(!right.cmp("", 1));
  60 }
  61
  62 void
  63 TestString::testCmpNotEmptyDefault()
  64 {
  65     String left("foo");
  66     String right;
  67     /* empty string sorts before everything */
  68     CPPUNIT_ASSERT(left.cmp(right) > 0);
  69     CPPUNIT_ASSERT(left.cmp(nullptr) > 0);
  70     CPPUNIT_ASSERT(left.cmp(nullptr, 1) > 0);
  71     /* reverse for symmetry tests */
  72     CPPUNIT_ASSERT(right.cmp(left) < 0);
  73     CPPUNIT_ASSERT(right.cmp("foo") < 0);
  74     CPPUNIT_ASSERT(right.cmp("foo", 1) < 0);
  75 }
  76
  77 void TestString::testSubstr()
  78 {
  79     String s("0123456789");
  80     String check=s.substr(3,5);
  81     String ref("34");
  82     CPPUNIT_ASSERT(check == ref);
  83 }
  84
  85 /// customizes our test setup
  86 class MyTestProgram: public TestProgram
  87 {
  88 public:
  89     /* TestProgram API */
  90     void startup() override { Mem::Init(); }
  91 };
  92
  93 int
  94 main(int argc, char *argv[])
  95 {
  96     return MyTestProgram().run(argc, argv);
  97 }
  98