unittests/IR/TypesTest.cpp

   1 //===- llvm/unittest/IR/TypesTest.cpp - Type unit tests -------------------===//
   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/IR/DerivedTypes.h"
  10 #include "llvm/IR/LLVMContext.h"
  11 #include "gtest/gtest.h"
  12 using namespace llvm;
  13
  14 namespace {
  15
  16 TEST(TypesTest, StructType) {
  17   LLVMContext C;
  18
  19   // PR13522
  20   StructType *Struct = StructType::create(C, "FooBar");
  21   EXPECT_EQ("FooBar", Struct->getName());
  22   Struct->setName(Struct->getName().substr(0, 3));
  23   EXPECT_EQ("Foo", Struct->getName());
  24   Struct->setName("");
  25   EXPECT_TRUE(Struct->getName().empty());
  26   EXPECT_FALSE(Struct->hasName());
  27 }
  28
  29 TEST(TypesTest, LayoutIdenticalEmptyStructs) {
  30   LLVMContext C;
  31
  32   StructType *Foo = StructType::create(C, "Foo");
  33   StructType *Bar = StructType::create(C, "Bar");
  34   EXPECT_TRUE(Foo->isLayoutIdentical(Bar));
  35 }
  36
  37 }  // end anonymous namespace