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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
//===-- ConstStringTest.cpp -------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Utility/ConstString.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "gtest/gtest.h"
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using namespace lldb_private;
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TEST(ConstStringTest, format_provider) {
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EXPECT_EQ("foo", llvm::formatv("{0}", ConstString("foo")).str());
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}
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TEST(ConstStringTest, MangledCounterpart) {
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ConstString uvw("uvw");
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ConstString counterpart;
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EXPECT_FALSE(uvw.GetMangledCounterpart(counterpart));
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EXPECT_EQ("", counterpart.GetStringRef());
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ConstString xyz;
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xyz.SetStringWithMangledCounterpart("xyz", uvw);
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EXPECT_EQ("xyz", xyz.GetStringRef());
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EXPECT_TRUE(xyz.GetMangledCounterpart(counterpart));
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EXPECT_EQ("uvw", counterpart.GetStringRef());
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EXPECT_TRUE(uvw.GetMangledCounterpart(counterpart));
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EXPECT_EQ("xyz", counterpart.GetStringRef());
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}
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TEST(ConstStringTest, UpdateMangledCounterpart) {
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{ // Add counterpart
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ConstString some1;
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some1.SetStringWithMangledCounterpart("some", ConstString(""));
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}
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{ // Overwrite empty string
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ConstString some2;
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some2.SetStringWithMangledCounterpart("some", ConstString("one"));
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}
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{ // Overwrite with identical value
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ConstString some2;
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some2.SetStringWithMangledCounterpart("some", ConstString("one"));
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}
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{ // Check counterpart is set
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ConstString counterpart;
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EXPECT_TRUE(ConstString("some").GetMangledCounterpart(counterpart));
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EXPECT_EQ("one", counterpart.GetStringRef());
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}
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}
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TEST(ConstStringTest, FromMidOfBufferStringRef) {
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// StringRef's into bigger buffer: no null termination
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const char *buffer = "abcdefghi";
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llvm::StringRef foo_ref(buffer, 3);
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llvm::StringRef bar_ref(buffer + 3, 3);
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ConstString foo(foo_ref);
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ConstString bar;
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bar.SetStringWithMangledCounterpart(bar_ref, foo);
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EXPECT_EQ("def", bar.GetStringRef());
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ConstString counterpart;
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EXPECT_TRUE(bar.GetMangledCounterpart(counterpart));
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EXPECT_EQ("abc", counterpart.GetStringRef());
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EXPECT_TRUE(foo.GetMangledCounterpart(counterpart));
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EXPECT_EQ("def", counterpart.GetStringRef());
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}
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TEST(ConstStringTest, NullAndEmptyStates) {
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ConstString foo("foo");
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EXPECT_FALSE(!foo);
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EXPECT_FALSE(foo.IsEmpty());
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EXPECT_FALSE(foo.IsNull());
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ConstString empty("");
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EXPECT_TRUE(!empty);
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EXPECT_TRUE(empty.IsEmpty());
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EXPECT_FALSE(empty.IsNull());
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ConstString null;
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EXPECT_TRUE(!null);
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EXPECT_TRUE(null.IsEmpty());
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EXPECT_TRUE(null.IsNull());
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}
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