Removed instances of fprintf in run_vm_tests and replaced them with OS::Print/PrintErr.

runtime/bin/run_vm_tests.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdio.h>
 
 #include "bin/dartutils.h"
 #include "bin/file.h"
 #include "bin/platform.h"
 #include "platform/assert.h"
@@ skipping 17 matching lines @@
 // tests.
 static const char* const kNone = "No Test or Benchmarks";
 static const char* const kList = "List all Tests and Benchmarks";
 static const char* const kAllBenchmarks = "All Benchmarks";
 static const char* run_filter = kNone;
 
 static int run_matches = 0;
 
 
 void TestCase::Run() {
-  fprintf(stdout, "Running test: %s\n", name());
+  OS::Print("Running test: %s\n", name());
   (*run_)();
-  fprintf(stdout, "Done: %s\n", name());
+  OS::Print("Done: %s\n", name());
 }
 
 
 void RawTestCase::Run() {
-  fprintf(stdout, "Running test: %s\n", name());
+  OS::Print("Running test: %s\n", name());
   (*run_)();
-  fprintf(stdout, "Done: %s\n", name());
+  OS::Print("Done: %s\n", name());
 }
 
 
 void TestCaseBase::RunTest() {
   if (strcmp(run_filter, this->name()) == 0) {
     this->Run();
     run_matches++;
   } else if (run_filter == kList) {
-    fprintf(stdout, "%s\n", this->name());
+    OS::Print("%s\n", this->name());
     run_matches++;
   }
 }
 
 
 void Benchmark::RunBenchmark() {
   if ((run_filter == kAllBenchmarks) ||
       (strcmp(run_filter, this->name()) == 0)) {
     this->Run();
     OS::Print("%s(%s): %" Pd64 "\n", this->name(), this->score_kind(),
               this->score());
     run_matches++;
   } else if (run_filter == kList) {
-    fprintf(stdout, "%s\n", this->name());
+    OS::Print("%s\n", this->name());
     run_matches++;
   }
 }
 
 
 static void PrintUsage() {
-  fprintf(stderr,
-          "run_vm_tests [--list | --benchmarks | "
-          "<test name> | <benchmark name>]\n");
-  fprintf(stderr, "run_vm_tests [vm-flags ...] <test name>\n");
-  fprintf(stderr, "run_vm_tests [vm-flags ...] <benchmark name>\n");
+  OS::PrintErr(
+      "run_vm_tests [--list | --benchmarks | "
+      "<test name> | <benchmark name>]\n");
+  OS::PrintErr("run_vm_tests [vm-flags ...] <test name>\n");
+  OS::PrintErr("run_vm_tests [vm-flags ...] <benchmark name>\n");
 }
 
 
 static int Main(int argc, const char** argv) {
   // Flags being passed to the Dart VM.
   int dart_argc = 0;
   const char** dart_argv = NULL;
 
   if (argc < 2) {
     // Bad parameter count.
@@ skipping 34 matching lines @@
   TestCaseBase::RunAll();
   // Apply the filter to all registered benchmarks.
   Benchmark::RunAll(argv[0]);
 
   err_msg = Dart::Cleanup();
   ASSERT(err_msg == NULL);
 
   TestCaseBase::RunAllRaw();
   // Print a warning message if no tests or benchmarks were matched.
   if (run_matches == 0) {
-    fprintf(stderr, "No tests matched: %s\n", run_filter);
+    OS::PrintErr("No tests matched: %s\n", run_filter);
     return 1;
   }
   if (DynamicAssertionHelper::failed()) {
     return 255;
   }
   return 0;
 }
 
 }  // namespace dart
 
 
 int main(int argc, const char** argv) {
   dart::bin::Platform::Exit(dart::Main(argc, argv));
 }