test/test-code-buffer.cc

// Copyright 2016, VIXL authors
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#include "code-buffer-vixl.h"
#include "test-runner.h"

namespace vixl {

#define TEST(name) TEST_(CODE_BUFFER_##name)

TEST(align_grow) {
  CodeBuffer code_buffer(2);
  VIXL_CHECK(code_buffer.GetCapacity() == 2);
  VIXL_CHECK(code_buffer.GetRemainingBytes() == 2);

  code_buffer.Emit16(0);
  VIXL_CHECK(code_buffer.GetCapacity() == 2);
  VIXL_CHECK(code_buffer.GetRemainingBytes() == 0);

  // Check that the buffer can automatically grow when aligning the cursor.
  VIXL_CHECK(IsAligned<2>(code_buffer.GetCursorOffset()));
  code_buffer.Align();
  VIXL_CHECK(IsWordAligned(code_buffer.GetCursorOffset()));
  VIXL_CHECK(code_buffer.GetCapacity() > 2);

  code_buffer.SetClean();
}

}  // namespace vixl