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28 | |
29 | |
30 | #include <QtCore/QCoreApplication> |
31 | #include <QtTest/QtTest> |
32 | |
33 | /* This test must be explicitly enabled since there are no compile tests for valgrind.h */ |
34 | #ifdef QT_BUG236484 |
35 | #include <valgrind/valgrind.h> |
36 | #endif |
37 | |
38 | class tst_BenchlibCallgrind: public QObject |
39 | { |
40 | Q_OBJECT |
41 | |
42 | private slots: |
43 | #ifdef QT_BUG236484 |
44 | void failInChildProcess(); |
45 | #endif |
46 | |
47 | void twoHundredMillionInstructions(); |
48 | }; |
49 | |
50 | #ifdef QT_BUG236484 |
51 | void tst_BenchlibCallgrind::failInChildProcess() |
52 | { |
53 | static double f = 1.0; |
54 | QBENCHMARK { |
55 | for (int i = 0; i < 1000000; ++i) { |
56 | f *= 1.1; |
57 | if (RUNNING_ON_VALGRIND) QFAIL("Running under valgrind!" ); |
58 | } |
59 | } |
60 | } |
61 | #endif |
62 | |
63 | void tst_BenchlibCallgrind::twoHundredMillionInstructions() |
64 | { |
65 | #if !defined(__GNUC__) || !defined(__i386) |
66 | QSKIP("This test is only defined for gcc and x86." ); |
67 | #else |
68 | QBENCHMARK { |
69 | __asm__ __volatile__( |
70 | "mov $100000000,%%eax \n" |
71 | "1: \n" |
72 | "dec %%eax \n" |
73 | "jnz 1b \n" |
74 | : /* no output */ |
75 | : /* no input */ |
76 | : /* clobber */ "eax" |
77 | ); |
78 | } |
79 | #endif |
80 | } |
81 | |
82 | int main(int argc, char *argv[]) |
83 | { |
84 | std::vector<const char*> args(argv, argv + argc); |
85 | args.push_back(x: "-callgrind" ); |
86 | argc = args.size(); |
87 | argv = const_cast<char**>(&args[0]); |
88 | |
89 | QTEST_MAIN_IMPL(tst_BenchlibCallgrind) |
90 | } |
91 | |
92 | #include "tst_benchlibcallgrind.moc" |
93 | |