llvm-6502/unittests/Support/formatted_raw_ostream_test.cpp
Daniel Dunbar 10097bd023 formatted_raw_ostream: Fix a serious bug in tell().
- The current_pos function is supposed to return all the written bytes, not the
   current position of the underlying stream.
 - This caused tell() to be broken whenever the underlying stream had buffered
   content.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163948 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14 23:15:56 +00:00

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//===- llvm/unittest/Support/formatted_raw_ostream_test.cpp ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/FormattedStream.h"
using namespace llvm;
namespace {
TEST(formatted_raw_ostreamTest, Test_Tell) {
// Check offset when underlying stream has buffer contents.
SmallString<128> A;
raw_svector_ostream B(A);
formatted_raw_ostream C(B);
char tmp[100] = "";
for (unsigned i = 0; i != 3; ++i) {
C.write(tmp, 100);
EXPECT_EQ(100*(i+1), (unsigned) C.tell());
}
}
}