X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=unittests%2FSupport%2Fraw_pwrite_stream_test.cpp;h=a62f6bacb07035b57d2d91a165280bd04e5e5034;hb=6948897e478cbd66626159776a8017b3c18579b9;hp=bcbb29b86bde55baff52a6314347108b44354668;hpb=c3b0732900953dc4d8f68ce41da35f4760933bb3;p=android-x86%2Fexternal-llvm.git

diff --git a/unittests/Support/raw_pwrite_stream_test.cpp b/unittests/Support/raw_pwrite_stream_test.cpp
index bcbb29b86bd..a62f6bacb07 100644
--- a/unittests/Support/raw_pwrite_stream_test.cpp
+++ b/unittests/Support/raw_pwrite_stream_test.cpp
@@ -9,6 +9,7 @@
 
 #include "gtest/gtest.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/Support/FileSystem.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
@@ -16,10 +17,48 @@ using namespace llvm;
 namespace {
 
 TEST(raw_pwrite_ostreamTest, TestSVector) {
-  SmallString<64> Buffer;
+  SmallVector<char, 0> Buffer;
   raw_svector_ostream OS(Buffer);
+  OS << "abcd";
   StringRef Test = "test";
   OS.pwrite(Test.data(), Test.size(), 0);
   EXPECT_EQ(Test, OS.str());
+
+#ifdef GTEST_HAS_DEATH_TEST
+#ifndef NDEBUG
+  EXPECT_DEATH(OS.pwrite("12345", 5, 0),
+               "We don't support extending the stream");
+#endif
+#endif
+}
+
+TEST(raw_pwrite_ostreamTest, TestFD) {
+  SmallString<64> Path;
+  int FD;
+  sys::fs::createTemporaryFile("foo", "bar", FD, Path);
+  raw_fd_ostream OS(FD, true);
+  OS << "abcd";
+  StringRef Test = "test";
+  OS.pwrite(Test.data(), Test.size(), 0);
+  OS.pwrite(Test.data(), Test.size(), 0);
+
+#ifdef GTEST_HAS_DEATH_TEST
+#ifndef NDEBUG
+  EXPECT_DEATH(OS.pwrite("12345", 5, 0),
+               "We don't support extending the stream");
+#endif
+#endif
+}
+
+#ifdef LLVM_ON_UNIX
+TEST(raw_pwrite_ostreamTest, TestDevNull) {
+  int FD;
+  sys::fs::openFileForWrite("/dev/null", FD, sys::fs::F_None);
+  raw_fd_ostream OS(FD, true);
+  OS << "abcd";
+  StringRef Test = "test";
+  OS.pwrite(Test.data(), Test.size(), 0);
+  OS.pwrite(Test.data(), Test.size(), 0);
 }
+#endif
 }