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//===-- ConstStringTest.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/ConstString.h"
#include "llvm/Support/FormatVariadic.h"
#include "gtest/gtest.h"
using namespace lldb_private;
TEST(ConstStringTest, format_provider) {
EXPECT_EQ("foo", llvm::formatv("{0}", ConstString("foo")).str());
}
TEST(ConstStringTest, MangledCounterpart) {
ConstString foo("foo");
ConstString counterpart;
EXPECT_FALSE(foo.GetMangledCounterpart(counterpart));
EXPECT_EQ("", counterpart.GetStringRef());
ConstString bar;
bar.SetStringWithMangledCounterpart("bar", foo);
EXPECT_EQ("bar", bar.GetStringRef());
EXPECT_TRUE(bar.GetMangledCounterpart(counterpart));
EXPECT_EQ("foo", counterpart.GetStringRef());
EXPECT_TRUE(foo.GetMangledCounterpart(counterpart));
EXPECT_EQ("bar", counterpart.GetStringRef());
}
TEST(ConstStringTest, FromMidOfBufferStringRef) {
// StringRef's into bigger buffer: no null termination
const char *buffer = "foobarbaz";
llvm::StringRef foo_ref(buffer, 3);
llvm::StringRef bar_ref(buffer + 3, 3);
ConstString foo(foo_ref);
ConstString bar;
bar.SetStringWithMangledCounterpart(bar_ref, foo);
EXPECT_EQ("bar", bar.GetStringRef());
ConstString counterpart;
EXPECT_TRUE(bar.GetMangledCounterpart(counterpart));
EXPECT_EQ("foo", counterpart.GetStringRef());
EXPECT_TRUE(foo.GetMangledCounterpart(counterpart));
EXPECT_EQ("bar", counterpart.GetStringRef());
}
TEST(ConstStringTest, NullAndEmptyStates) {
ConstString foo("foo");
EXPECT_FALSE(!foo);
EXPECT_FALSE(foo.IsEmpty());
EXPECT_FALSE(foo.IsNull());
ConstString empty("");
EXPECT_TRUE(!empty);
EXPECT_TRUE(empty.IsEmpty());
EXPECT_FALSE(empty.IsNull());
ConstString null;
EXPECT_TRUE(!null);
EXPECT_TRUE(null.IsEmpty());
EXPECT_TRUE(null.IsNull());
}
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