unittests/Support/formatted_raw_ostream_test.cpp

   1 //===- llvm/unittest/Support/formatted_raw_ostream_test.cpp ---------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/Support/FormattedStream.h"
  11 #include "llvm/ADT/SmallString.h"
  12 #include "llvm/Support/raw_ostream.h"
  13 #include "gtest/gtest.h"
  14
  15 using namespace llvm;
  16
  17 namespace {
  18
  19 TEST(formatted_raw_ostreamTest, Test_Tell) {
  20   // Check offset when underlying stream has buffer contents.
  21   SmallString<128> A;
  22   raw_svector_ostream B(A);
  23   formatted_raw_ostream C(B);
  24   char tmp[100] = "";
  25
  26   for (unsigned i = 0; i != 3; ++i) {
  27     C.write(tmp, 100);
  28
  29     EXPECT_EQ(100*(i+1), (unsigned) C.tell());
  30   }
  31 }
  32
  33 }