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      1 /*
      2  * Copyright 2011 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "Test.h"
      9 
     10 #include "SkCommandLineFlags.h"
     11 #include "SkError.h"
     12 #include "SkString.h"
     13 #include "SkTArray.h"
     14 #include "SkTime.h"
     15 
     16 #if SK_SUPPORT_GPU
     17 #include "GrContext.h"
     18 #include "gl/SkNativeGLContext.h"
     19 #else
     20 class GrContext;
     21 #endif
     22 
     23 DEFINE_string2(tmpDir, t, NULL, "tmp directory for tests to use.");
     24 
     25 using namespace skiatest;
     26 
     27 Reporter::Reporter() : fTestCount(0) {
     28 }
     29 
     30 void Reporter::startTest(Test* test) {
     31     this->onStart(test);
     32 }
     33 
     34 void Reporter::reportFailed(const SkString& desc) {
     35     this->onReportFailed(desc);
     36 }
     37 
     38 void Reporter::endTest(Test* test) {
     39     this->onEnd(test);
     40 }
     41 
     42 ///////////////////////////////////////////////////////////////////////////////
     43 
     44 Test::Test() : fReporter(NULL), fPassed(true) {}
     45 
     46 Test::~Test() {
     47     SkSafeUnref(fReporter);
     48 }
     49 
     50 void Test::setReporter(Reporter* r) {
     51     SkRefCnt_SafeAssign(fReporter, r);
     52 }
     53 
     54 const char* Test::getName() {
     55     if (fName.size() == 0) {
     56         this->onGetName(&fName);
     57     }
     58     return fName.c_str();
     59 }
     60 
     61 class LocalReporter : public Reporter {
     62 public:
     63     explicit LocalReporter(Reporter* reporterToMimic) : fReporter(reporterToMimic) {}
     64 
     65     int numFailures() const { return fFailures.count(); }
     66     const SkString& failure(int i) const { return fFailures[i]; }
     67 
     68 protected:
     69     virtual void onReportFailed(const SkString& desc) SK_OVERRIDE {
     70         fFailures.push_back(desc);
     71     }
     72 
     73     // Proxy down to fReporter.  We assume these calls are threadsafe.
     74     virtual bool allowExtendedTest() const SK_OVERRIDE {
     75         return fReporter->allowExtendedTest();
     76     }
     77 
     78     virtual bool allowThreaded() const SK_OVERRIDE {
     79         return fReporter->allowThreaded();
     80     }
     81 
     82     virtual void bumpTestCount() SK_OVERRIDE {
     83         fReporter->bumpTestCount();
     84     }
     85 
     86     virtual bool verbose() const SK_OVERRIDE {
     87         return fReporter->verbose();
     88     }
     89 
     90 private:
     91     Reporter* fReporter;  // Unowned.
     92     SkTArray<SkString> fFailures;
     93 };
     94 
     95 void Test::run() {
     96     // Clear the Skia error callback before running any test, to ensure that tests
     97     // don't have unintended side effects when running more than one.
     98     SkSetErrorCallback( NULL, NULL );
     99 
    100     // Tell (likely shared) fReporter that this test has started.
    101     fReporter->startTest(this);
    102 
    103     const SkMSec start = SkTime::GetMSecs();
    104     // Run the test into a LocalReporter so we know if it's passed or failed without interference
    105     // from other tests that might share fReporter.
    106     LocalReporter local(fReporter);
    107     this->onRun(&local);
    108     fPassed = local.numFailures() == 0;
    109     fElapsed = SkTime::GetMSecs() - start;
    110 
    111     // Now tell fReporter about any failures and wrap up.
    112     for (int i = 0; i < local.numFailures(); i++) {
    113       fReporter->reportFailed(local.failure(i));
    114     }
    115     fReporter->endTest(this);
    116 
    117 }
    118 
    119 SkString Test::GetTmpDir() {
    120     const char* tmpDir = FLAGS_tmpDir.isEmpty() ? NULL : FLAGS_tmpDir[0];
    121     return SkString(tmpDir);
    122 }
    123