llvm-project/llvm/unittests/IR/DebugInfoTest.cpp

84 lines
3.3 KiB
C++

//===- llvm/unittest/IR/DebugInfo.cpp - DebugInfo tests -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/DebugInfoMetadata.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(DINodeTest, getFlag) {
// Some valid flags.
EXPECT_EQ(DINode::FlagPublic, DINode::getFlag("DIFlagPublic"));
EXPECT_EQ(DINode::FlagProtected, DINode::getFlag("DIFlagProtected"));
EXPECT_EQ(DINode::FlagPrivate, DINode::getFlag("DIFlagPrivate"));
EXPECT_EQ(DINode::FlagVector, DINode::getFlag("DIFlagVector"));
EXPECT_EQ(DINode::FlagRValueReference,
DINode::getFlag("DIFlagRValueReference"));
// FlagAccessibility shouldn't work.
EXPECT_EQ(0u, DINode::getFlag("DIFlagAccessibility"));
// Some other invalid strings.
EXPECT_EQ(0u, DINode::getFlag("FlagVector"));
EXPECT_EQ(0u, DINode::getFlag("Vector"));
EXPECT_EQ(0u, DINode::getFlag("other things"));
EXPECT_EQ(0u, DINode::getFlag("DIFlagOther"));
}
TEST(DINodeTest, getFlagString) {
// Some valid flags.
EXPECT_EQ(StringRef("DIFlagPublic"),
DINode::getFlagString(DINode::FlagPublic));
EXPECT_EQ(StringRef("DIFlagProtected"),
DINode::getFlagString(DINode::FlagProtected));
EXPECT_EQ(StringRef("DIFlagPrivate"),
DINode::getFlagString(DINode::FlagPrivate));
EXPECT_EQ(StringRef("DIFlagVector"),
DINode::getFlagString(DINode::FlagVector));
EXPECT_EQ(StringRef("DIFlagRValueReference"),
DINode::getFlagString(DINode::FlagRValueReference));
// FlagAccessibility actually equals FlagPublic.
EXPECT_EQ(StringRef("DIFlagPublic"),
DINode::getFlagString(DINode::FlagAccessibility));
// Some other invalid flags.
EXPECT_EQ(StringRef(),
DINode::getFlagString(DINode::FlagPublic | DINode::FlagVector));
EXPECT_EQ(StringRef(), DINode::getFlagString(DINode::FlagFwdDecl |
DINode::FlagArtificial));
EXPECT_EQ(StringRef(),
DINode::getFlagString(static_cast<DINode::DIFlags>(0xffff)));
}
TEST(DINodeTest, splitFlags) {
// Some valid flags.
#define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER) \
{ \
SmallVector<DINode::DIFlags, 8> V; \
EXPECT_EQ(REMAINDER, DINode::splitFlags(FLAGS, V)); \
EXPECT_TRUE(makeArrayRef(V).equals(VECTOR)); \
}
CHECK_SPLIT(DINode::FlagPublic, {DINode::FlagPublic}, DINode::FlagZero);
CHECK_SPLIT(DINode::FlagProtected, {DINode::FlagProtected}, DINode::FlagZero);
CHECK_SPLIT(DINode::FlagPrivate, {DINode::FlagPrivate}, DINode::FlagZero);
CHECK_SPLIT(DINode::FlagVector, {DINode::FlagVector}, DINode::FlagZero);
CHECK_SPLIT(DINode::FlagRValueReference, {DINode::FlagRValueReference},
DINode::FlagZero);
DINode::DIFlags Flags[] = {DINode::FlagFwdDecl, DINode::FlagVector};
CHECK_SPLIT(DINode::FlagFwdDecl | DINode::FlagVector, Flags,
DINode::FlagZero);
CHECK_SPLIT(DINode::FlagZero, {}, DINode::FlagZero);
#undef CHECK_SPLIT
}
} // end namespace