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//===- 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/DebugInfo.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(DIDescriptorTest, getFlag) {
// Some valid flags.
EXPECT_EQ(DIDescriptor::FlagPublic, DIDescriptor::getFlag("DIFlagPublic"));
EXPECT_EQ(DIDescriptor::FlagProtected,
DIDescriptor::getFlag("DIFlagProtected"));
EXPECT_EQ(DIDescriptor::FlagPrivate, DIDescriptor::getFlag("DIFlagPrivate"));
EXPECT_EQ(DIDescriptor::FlagVector, DIDescriptor::getFlag("DIFlagVector"));
EXPECT_EQ(DIDescriptor::FlagRValueReference,
DIDescriptor::getFlag("DIFlagRValueReference"));
// FlagAccessibility shouldn't work.
EXPECT_EQ(0u, DIDescriptor::getFlag("DIFlagAccessibility"));
// Some other invalid strings.
EXPECT_EQ(0u, DIDescriptor::getFlag("FlagVector"));
EXPECT_EQ(0u, DIDescriptor::getFlag("Vector"));
EXPECT_EQ(0u, DIDescriptor::getFlag("other things"));
EXPECT_EQ(0u, DIDescriptor::getFlag("DIFlagOther"));
}
TEST(DIDescriptorTest, getFlagString) {
// Some valid flags.
EXPECT_EQ(StringRef("DIFlagPublic"),
DIDescriptor::getFlagString(DIDescriptor::FlagPublic));
EXPECT_EQ(StringRef("DIFlagProtected"),
DIDescriptor::getFlagString(DIDescriptor::FlagProtected));
EXPECT_EQ(StringRef("DIFlagPrivate"),
DIDescriptor::getFlagString(DIDescriptor::FlagPrivate));
EXPECT_EQ(StringRef("DIFlagVector"),
DIDescriptor::getFlagString(DIDescriptor::FlagVector));
EXPECT_EQ(StringRef("DIFlagRValueReference"),
DIDescriptor::getFlagString(DIDescriptor::FlagRValueReference));
// FlagAccessibility actually equals FlagPublic.
EXPECT_EQ(StringRef("DIFlagPublic"),
DIDescriptor::getFlagString(DIDescriptor::FlagAccessibility));
// Some other invalid flags.
EXPECT_EQ(StringRef(), DIDescriptor::getFlagString(DIDescriptor::FlagPublic |
DIDescriptor::FlagVector));
EXPECT_EQ(StringRef(),
DIDescriptor::getFlagString(DIDescriptor::FlagFwdDecl |
DIDescriptor::FlagArtificial));
EXPECT_EQ(StringRef(), DIDescriptor::getFlagString(0xffff));
}
TEST(DIDescriptorTest, splitFlags) {
// Some valid flags.
#define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER) \
{ \
SmallVector<unsigned, 8> V; \
EXPECT_EQ(REMAINDER, DIDescriptor::splitFlags(FLAGS, V)); \
EXPECT_TRUE(makeArrayRef(V).equals(VECTOR)); \
}
CHECK_SPLIT(DIDescriptor::FlagPublic, {DIDescriptor::FlagPublic}, 0u);
CHECK_SPLIT(DIDescriptor::FlagProtected, {DIDescriptor::FlagProtected}, 0u);
CHECK_SPLIT(DIDescriptor::FlagPrivate, {DIDescriptor::FlagPrivate}, 0u);
CHECK_SPLIT(DIDescriptor::FlagVector, {DIDescriptor::FlagVector}, 0u);
CHECK_SPLIT(DIDescriptor::FlagRValueReference, {DIDescriptor::FlagRValueReference}, 0u);
unsigned Flags[] = {DIDescriptor::FlagFwdDecl, DIDescriptor::FlagVector};
CHECK_SPLIT(DIDescriptor::FlagFwdDecl | DIDescriptor::FlagVector, Flags, 0u);
CHECK_SPLIT(0x100000u, {}, 0x100000u);
CHECK_SPLIT(0x100000u | DIDescriptor::FlagVector, {DIDescriptor::FlagVector},
0x100000u);
#undef CHECK_SPLIT
}
} // end namespace
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