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
38