compat/testPreCompiler.cc

   1 #define SQUID_UNIT_TEST 1
   2 #include "squid.h"
   3
   4 #if HAVE_ASSERT_H
   5 #include <assert.h>
   6 #endif
   7
   8 #include "testPreCompiler.h"
   9
  10 CPPUNIT_TEST_SUITE_REGISTRATION( testPreCompiler );
  11
  12 /**
  13  * Test several ways of defining pre-compiler directives.
  14  * Squid-3 uses #if FOO syntax for precompiler directives.
  15  * These tests ensure that the inputs will work as expected.
  16  */
  17 void
  18 testPreCompiler::testIfDef()
  19 {
  20     /* Defined to explicit value 1 should be true */
  21 #define ONE_FOO 1
  22 #if ONE_FOO
  23     bool oneTrue = true;
  24 #else
  25     bool oneTrue = false;
  26 #endif
  27 #if !ONE_FOO
  28     bool oneFalse = true;
  29 #else
  30     bool oneFalse = false;
  31 #endif
  32     CPPUNIT_ASSERT(oneTrue);
  33     CPPUNIT_ASSERT(!oneFalse);
  34
  35     /* Defined to explicit value 0 should be false */
  36 #define ZERO_FOO 0
  37 #if ZERO_FOO
  38     bool zeroTrue = true;
  39 #else
  40     bool zeroTrue = false;
  41 #endif
  42 #if !ZERO_FOO
  43     bool zeroFalse = true;
  44 #else
  45     bool zeroFalse = false;
  46 #endif
  47     CPPUNIT_ASSERT(zeroFalse);
  48     CPPUNIT_ASSERT(!zeroTrue);
  49
  50     /* Defined to exist without a value generates pre-compiler errors when used in #if . */
  51
  52     /* Not Defined to exist at all == false */
  53 #undef UNDEFINED_FOO
  54 #if UNDEFINED_FOO
  55     bool undefinedTrue = true;
  56 #else
  57     bool undefinedTrue = false;
  58 #endif
  59 #if !UNDEFINED_FOO
  60     bool undefinedFalse = true;
  61 #else
  62     bool undefinedFalse = false;
  63 #endif
  64     CPPUNIT_ASSERT(undefinedFalse);
  65     CPPUNIT_ASSERT(!undefinedTrue);
  66 }
  67
  68 /**
  69  * Test several ways of defining pre-compiler directives.
  70  * Squid-3 uses #if FOO syntax for precompiler directives.
  71  * These tests ensure that the inputs will work as expected
  72  * when undefined macros are used in && conditions
  73  */
  74 void
  75 testPreCompiler::testIfDefAnd()
  76 {
  77     /* Not Defined to exist at all == false - when used in a compound if */
  78 #undef UNDEFINED_FOO
  79 #define ONE_FOO 1
  80
  81 #if UNDEFINED_FOO && ONE_FOO
  82     bool undefinedAndTrueA = true;
  83 #else
  84     bool undefinedAndTrueA = false;
  85 #endif
  86 #if !UNDEFINED_FOO && ONE_FOO
  87     bool undefinedAndFalseA = true;
  88 #else
  89     bool undefinedAndFalseA = false;
  90 #endif
  91     CPPUNIT_ASSERT(undefinedAndFalseA);
  92     CPPUNIT_ASSERT(!undefinedAndTrueA);
  93
  94 #if ONE_FOO && UNDEFINED_FOO
  95     bool undefinedAndTrueB = true;
  96 #else
  97     bool undefinedAndTrueB = false;
  98 #endif
  99 #if ONE_FOO && !UNDEFINED_FOO
 100     bool undefinedAndFalseB = true;
 101 #else
 102     bool undefinedAndFalseB = false;
 103 #endif
 104     CPPUNIT_ASSERT(undefinedAndFalseB);
 105     CPPUNIT_ASSERT(!undefinedAndTrueB);
 106 }
 107
 108 /**
 109  * Test several ways of defining pre-compiler directives.
 110  * Squid-3 uses #if FOO syntax for precompiler directives.
 111  * These tests ensure that the inputs will work as expected
 112  * when undefined macros are used in || conditions
 113  */
 114 void
 115 testPreCompiler::testIfDefOr()
 116 {
 117     /* Not Defined to exist at all == false - when used in a compound if */
 118 #undef UNDEFINED_FOO
 119 #define ZERO_FOO 0
 120
 121 #if UNDEFINED_FOO || ZERO_FOO
 122     bool undefinedOrTrueA = true;
 123 #else
 124     bool undefinedOrTrueA = false;
 125 #endif
 126 #if !UNDEFINED_FOO || ZERO_FOO
 127     bool undefinedOrFalseA = true;
 128 #else
 129     bool undefinedOrFalseA = false;
 130 #endif
 131     CPPUNIT_ASSERT(undefinedOrFalseA);
 132     CPPUNIT_ASSERT(!undefinedOrTrueA);
 133
 134 #if ZERO_FOO || UNDEFINED_FOO
 135     bool undefinedOrTrueB = true;
 136 #else
 137     bool undefinedOrTrueB = false;
 138 #endif
 139 #if ZERO_FOO || !UNDEFINED_FOO
 140     bool undefinedOrFalseB = true;
 141 #else
 142     bool undefinedOrFalseB = false;
 143 #endif
 144     CPPUNIT_ASSERT(undefinedOrFalseB);
 145     CPPUNIT_ASSERT(!undefinedOrTrueB);
 146
 147 }
 148