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32 * @file This file defines functions and macros for use in unit tests.
35 #ifndef __UNITTEST_UNITTEST_HH__
36 #define __UNITTEST_UNITTEST_HH__
41 * Function that actually handles checking whether an EXPECT_* passed. This
42 * should be used through the EXPECT macros below and not called directly.
43 * @param file The name of the file this check is in.
44 * @param line The line number this check is on.
45 * @param test Text specifying what check is being performed.
46 * @param result Whether the check passed.
48 void checkVal(const char *file, const unsigned line,
49 const char *test, const bool result);
52 * Print on pass is a switch that specifies whether to print a message even
53 * when a check passes. It's default value is whether or not "PRINT_ON_PASS"
54 * is set in the calling environment. What it's actually set to is ignored.
58 * Function for retrieving the current setting for print on pass.
59 * @return The current setting.
64 * Function for setting print on pass.
65 * @param newVal The new setting.
67 void printOnPass(bool newVal);
70 * Function that returns the current number of passed checks.
71 * @return Number of checks that have passed so far.
76 * Function that returns the current number of failed checks.
77 * @return Number of checks that have failed so far.
82 * Function to call at the end of a test that prints an overall result and a
83 * summary of how many checks passed and failed. main() should return the
84 * return value of this function which is the number of failed checks.
85 * @return Number of failed checks.
87 unsigned printResults();
89 /// Zero the number of passes and failures so far.
93 * Sets the current test case. Test cases are used to group checks together and
94 * describe what that group is doing. Setting a new case defines the start of
95 * a new group and the end of the previous one. The case string is used in
96 * place and not copied, so don't modify or invalidate it until a new case
98 * @param newCase The name of the new test case.
100 void setCase(const char *newCase);
102 } // namespace UnitTest
104 /// A macro which verifies that expr evaluates to true.
105 #define EXPECT_TRUE(expr) \
106 UnitTest::checkVal(__FILE__, __LINE__, "EXPECT_TRUE(" #expr ")", (expr))
107 /// A macro which verifies that expr evaluates to false.
108 #define EXPECT_FALSE(expr) \
109 UnitTest::checkVal(__FILE__, __LINE__, \
110 "EXPECT_FALSE(" #expr ")", (expr) == false)
111 /// A macro which verifies that lhs and rhs are equal to each other.
112 #define EXPECT_EQ(lhs, rhs) \
113 UnitTest::checkVal(__FILE__, __LINE__, \
114 "EXPECT_EQ(" #lhs ", " #rhs ")", (lhs) == (rhs));