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      1 // Copyright 2008 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 #include <v8.h>
     29 #include "cctest.h"
     30 #include "debug.h"
     31 
     32 enum InitializationState {kUnset, kUnintialized, kInitialized};
     33 static InitializationState initialization_state_  = kUnset;
     34 static bool disable_automatic_dispose_ = false;
     35 
     36 CcTest* CcTest::last_ = NULL;
     37 bool CcTest::initialize_called_ = false;
     38 bool CcTest::isolate_used_ = false;
     39 v8::Isolate* CcTest::isolate_ = NULL;
     40 
     41 
     42 CcTest::CcTest(TestFunction* callback, const char* file, const char* name,
     43                const char* dependency, bool enabled, bool initialize)
     44     : callback_(callback), name_(name), dependency_(dependency),
     45       enabled_(enabled), initialize_(initialize), prev_(last_) {
     46   // Find the base name of this test (const_cast required on Windows).
     47   char *basename = strrchr(const_cast<char *>(file), '/');
     48   if (!basename) {
     49     basename = strrchr(const_cast<char *>(file), '\\');
     50   }
     51   if (!basename) {
     52     basename = v8::internal::StrDup(file);
     53   } else {
     54     basename = v8::internal::StrDup(basename + 1);
     55   }
     56   // Drop the extension, if there is one.
     57   char *extension = strrchr(basename, '.');
     58   if (extension) *extension = 0;
     59   // Install this test in the list of tests
     60   file_ = basename;
     61   prev_ = last_;
     62   last_ = this;
     63 }
     64 
     65 
     66 void CcTest::Run() {
     67   if (!initialize_) {
     68     CHECK(initialization_state_ != kInitialized);
     69     initialization_state_ = kUnintialized;
     70     CHECK(CcTest::isolate_ == NULL);
     71   } else {
     72     CHECK(initialization_state_ != kUnintialized);
     73     initialization_state_ = kInitialized;
     74     if (isolate_ == NULL) {
     75       isolate_ = v8::Isolate::New();
     76     }
     77     isolate_->Enter();
     78   }
     79   callback_();
     80   if (initialize_) {
     81     isolate_->Exit();
     82   }
     83 }
     84 
     85 
     86 v8::Local<v8::Context> CcTest::NewContext(CcTestExtensionFlags extensions,
     87                                           v8::Isolate* isolate) {
     88     const char* extension_names[kMaxExtensions];
     89     int extension_count = 0;
     90   #define CHECK_EXTENSION_FLAG(Name, Id) \
     91     if (extensions.Contains(Name##_ID)) extension_names[extension_count++] = Id;
     92     EXTENSION_LIST(CHECK_EXTENSION_FLAG)
     93   #undef CHECK_EXTENSION_FLAG
     94     v8::ExtensionConfiguration config(extension_count, extension_names);
     95     v8::Local<v8::Context> context = v8::Context::New(isolate, &config);
     96     CHECK(!context.IsEmpty());
     97     return context;
     98 }
     99 
    100 
    101 void CcTest::DisableAutomaticDispose() {
    102   CHECK_EQ(kUnintialized, initialization_state_);
    103   disable_automatic_dispose_ = true;
    104 }
    105 
    106 
    107 static void PrintTestList(CcTest* current) {
    108   if (current == NULL) return;
    109   PrintTestList(current->prev());
    110   if (current->dependency() != NULL) {
    111     printf("%s/%s<%s\n",
    112            current->file(), current->name(), current->dependency());
    113   } else {
    114     printf("%s/%s<\n", current->file(), current->name());
    115   }
    116 }
    117 
    118 
    119 class CcTestArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
    120   virtual void* Allocate(size_t length) { return malloc(length); }
    121   virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
    122   virtual void Free(void* data, size_t length) { free(data); }
    123   // TODO(dslomov): Remove when v8:2823 is fixed.
    124   virtual void Free(void* data) { UNREACHABLE(); }
    125 };
    126 
    127 
    128 static void SuggestTestHarness(int tests) {
    129   if (tests == 0) return;
    130   printf("Running multiple tests in sequence is deprecated and may cause "
    131          "bogus failure.  Consider using tools/run-tests.py instead.\n");
    132 }
    133 
    134 
    135 int main(int argc, char* argv[]) {
    136   v8::V8::InitializeICU();
    137   i::Isolate::SetCrashIfDefaultIsolateInitialized();
    138 
    139   v8::internal::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
    140 
    141   CcTestArrayBufferAllocator array_buffer_allocator;
    142   v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
    143 
    144   int tests_run = 0;
    145   bool print_run_count = true;
    146   for (int i = 1; i < argc; i++) {
    147     char* arg = argv[i];
    148     if (strcmp(arg, "--list") == 0) {
    149       PrintTestList(CcTest::last());
    150       print_run_count = false;
    151 
    152     } else {
    153       char* arg_copy = v8::internal::StrDup(arg);
    154       char* testname = strchr(arg_copy, '/');
    155       if (testname) {
    156         // Split the string in two by nulling the slash and then run
    157         // exact matches.
    158         *testname = 0;
    159         char* file = arg_copy;
    160         char* name = testname + 1;
    161         CcTest* test = CcTest::last();
    162         while (test != NULL) {
    163           if (test->enabled()
    164               && strcmp(test->file(), file) == 0
    165               && strcmp(test->name(), name) == 0) {
    166             SuggestTestHarness(tests_run++);
    167             test->Run();
    168           }
    169           test = test->prev();
    170         }
    171 
    172       } else {
    173         // Run all tests with the specified file or test name.
    174         char* file_or_name = arg_copy;
    175         CcTest* test = CcTest::last();
    176         while (test != NULL) {
    177           if (test->enabled()
    178               && (strcmp(test->file(), file_or_name) == 0
    179                   || strcmp(test->name(), file_or_name) == 0)) {
    180             SuggestTestHarness(tests_run++);
    181             test->Run();
    182           }
    183           test = test->prev();
    184         }
    185       }
    186       v8::internal::DeleteArray<char>(arg_copy);
    187     }
    188   }
    189   if (print_run_count && tests_run != 1)
    190     printf("Ran %i tests.\n", tests_run);
    191   if (!disable_automatic_dispose_) v8::V8::Dispose();
    192   return 0;
    193 }
    194 
    195 RegisterThreadedTest *RegisterThreadedTest::first_ = NULL;
    196 int RegisterThreadedTest::count_ = 0;
    197