unittests/Support/formatted_raw_ostream_test.cpp

   1 //===- llvm/unittest/Support/formatted_raw_ostream_test.cpp ---------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/ADT/SmallString.h"
  10 #include "llvm/Support/FormattedStream.h"
  11 #include "llvm/Support/raw_ostream.h"
  12 #include "gtest/gtest.h"
  13
  14 using namespace llvm;
  15
  16 namespace {
  17
  18 TEST(formatted_raw_ostreamTest, Test_Tell) {
  19   // Check offset when underlying stream has buffer contents.
  20   SmallString<128> A;
  21   raw_svector_ostream B(A);
  22   formatted_raw_ostream C(B);
  23   char tmp[100] = "";
  24
  25   for (unsigned i = 0; i != 3; ++i) {
  26     C.write(tmp, 100);
  27
  28     EXPECT_EQ(100*(i+1), (unsigned) C.tell());
  29   }
  30 }
  31
  32 }