unittests/VMCore/DerivedTypesTest.cpp

   1 //===- llvm/unittest/VMCore/DerivedTypesTest.cpp - Types unit tests -------===//
   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 "gtest/gtest.h"
  11 #include "../lib/VMCore/LLVMContextImpl.h"
  12 #include "llvm/Type.h"
  13 #include "llvm/DerivedTypes.h"
  14 #include "llvm/LLVMContext.h"
  15 using namespace llvm;
  16
  17 namespace {
  18
  19 TEST(OpaqueTypeTest, RegisterWithContext) {
  20   LLVMContext C;
  21   LLVMContextImpl *pImpl = C.pImpl;
  22
  23   // 1 refers to the AlwaysOpaqueTy allocated in the Context's constructor and
  24   // destroyed in the destructor.
  25   EXPECT_EQ(1u, pImpl->OpaqueTypes.size());
  26   {
  27     PATypeHolder Type = OpaqueType::get(C);
  28     EXPECT_EQ(2u, pImpl->OpaqueTypes.size());
  29   }
  30   EXPECT_EQ(1u, pImpl->OpaqueTypes.size());
  31 }
  32
  33 }  // namespace