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teak-llvm/lldb/unittests/Utility/StringListTest.cpp
Raphael Isemann 808142876c [lldb][NFC] Fix all formatting errors in .cpp file headers 
Summary:
A *.cpp file header in LLDB (and in LLDB) should like this:
```
//===-- TestUtilities.cpp -------------------------------------------------===//
```
However in LLDB most of our source files have arbitrary changes to this format and
these changes are spreading through LLDB as folks usually just use the existing
source files as templates for their new files (most notably the unnecessary
editor language indicator `-*- C++ -*-` is spreading and in every review
someone is pointing out that this is wrong, resulting in people pointing out that this
is done in the same way in other files).

This patch removes most of these inconsistencies including the editor language indicators,
all the different missing/additional '-' characters, files that center the file name, missing
trailing `===//` (mostly caused by clang-format breaking the line).

Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere

Reviewed By: JDevlieghere

Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D73258
2020-01-24 08:52:55 +01:00

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//===-- StringListTest.cpp ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/StringList.h"
#include "lldb/Utility/StreamString.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace lldb_private;
TEST(StringListTest, DefaultConstructor) {
StringList s;
EXPECT_EQ(0U, s.GetSize());
}
TEST(StringListTest, Assignment) {
StringList orig;
orig.AppendString("foo");
orig.AppendString("bar");
StringList s = orig;
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
ASSERT_EQ(2U, orig.GetSize());
EXPECT_STREQ("foo", orig.GetStringAtIndex(0));
EXPECT_STREQ("bar", orig.GetStringAtIndex(1));
}
TEST(StringListTest, AppendStringStdString) {
StringList s;
s.AppendString("foo");
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s.AppendString("bar");
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, AppendStringCString) {
StringList s;
s.AppendString("foo", strlen("foo"));
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s.AppendString("bar", strlen("bar"));
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, AppendStringMove) {
StringList s;
std::string foo = "foo";
std::string bar = "bar";
s.AppendString(std::move(foo));
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s.AppendString(std::move(bar));
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, ShiftStdString) {
StringList s;
std::string foo = "foo";
std::string bar = "bar";
s << foo;
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s << bar;
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, ShiftCString) {
StringList s;
s << "foo";
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s << "bar";
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, ShiftMove) {
StringList s;
std::string foo = "foo";
std::string bar = "bar";
s << std::move(foo);
ASSERT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s << std::move(bar);
ASSERT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, AppendListCStringArrayEmpty) {
StringList s;
s.AppendList(nullptr, 0);
EXPECT_EQ(0U, s.GetSize());
}
TEST(StringListTest, AppendListCStringArray) {
StringList s;
const char *items[3] = {"foo", "", "bar"};
s.AppendList(items, 3);
EXPECT_EQ(3U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("", s.GetStringAtIndex(1));
EXPECT_STREQ("bar", s.GetStringAtIndex(2));
}
TEST(StringListTest, AppendList) {
StringList other;
other.AppendString("foo");
other.AppendString("");
other.AppendString("bar");
StringList empty;
StringList s;
s.AppendList(other);
EXPECT_EQ(3U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("", s.GetStringAtIndex(1));
EXPECT_STREQ("bar", s.GetStringAtIndex(2));
EXPECT_EQ(3U, other.GetSize());
EXPECT_STREQ("foo", other.GetStringAtIndex(0));
EXPECT_STREQ("", other.GetStringAtIndex(1));
EXPECT_STREQ("bar", other.GetStringAtIndex(2));
s.AppendList(empty);
s.AppendList(other);
EXPECT_EQ(6U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("", s.GetStringAtIndex(1));
EXPECT_STREQ("bar", s.GetStringAtIndex(2));
EXPECT_STREQ("foo", s.GetStringAtIndex(3));
EXPECT_STREQ("", s.GetStringAtIndex(4));
EXPECT_STREQ("bar", s.GetStringAtIndex(5));
EXPECT_EQ(3U, other.GetSize());
EXPECT_STREQ("foo", other.GetStringAtIndex(0));
EXPECT_STREQ("", other.GetStringAtIndex(1));
EXPECT_STREQ("bar", other.GetStringAtIndex(2));
}
TEST(StringListTest, GetSize) {
StringList s;
s.AppendString("foo");
EXPECT_EQ(1U, s.GetSize());
s.AppendString("foo");
EXPECT_EQ(2U, s.GetSize());
s.AppendString("foobar");
EXPECT_EQ(3U, s.GetSize());
}
TEST(StringListTest, SetSize) {
StringList s;
s.SetSize(3);
EXPECT_EQ(3U, s.GetSize());
EXPECT_STREQ("", s.GetStringAtIndex(0));
EXPECT_STREQ("", s.GetStringAtIndex(1));
EXPECT_STREQ("", s.GetStringAtIndex(2));
}
TEST(StringListTest, SplitIntoLines) {
StringList s;
s.SplitIntoLines("\nfoo\nbar\n\n");
EXPECT_EQ(4U, s.GetSize());
EXPECT_STREQ("", s.GetStringAtIndex(0));
EXPECT_STREQ("foo", s.GetStringAtIndex(1));
EXPECT_STREQ("bar", s.GetStringAtIndex(2));
EXPECT_STREQ("", s.GetStringAtIndex(3));
}
TEST(StringListTest, SplitIntoLinesSingleTrailingCR) {
StringList s;
s.SplitIntoLines("\r");
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("", s.GetStringAtIndex(0));
}
TEST(StringListTest, SplitIntoLinesEmpty) {
StringList s;
s.SplitIntoLines("");
EXPECT_EQ(0U, s.GetSize());
}
TEST(StringListTest, LongestCommonPrefixEmpty) {
StringList s;
std::string prefix = s.LongestCommonPrefix();
EXPECT_EQ("", prefix);
}
TEST(StringListTest, LongestCommonPrefix) {
StringList s;
s.AppendString("foo");
s.AppendString("foobar");
s.AppendString("foo");
s.AppendString("foozar");
std::string prefix = s.LongestCommonPrefix();
EXPECT_EQ("foo", prefix);
}
TEST(StringListTest, LongestCommonPrefixSingleElement) {
StringList s;
s.AppendString("foo");
std::string prefix = s.LongestCommonPrefix();
EXPECT_EQ("foo", prefix);
}
TEST(StringListTest, LongestCommonPrefixDuplicateElement) {
StringList s;
s.AppendString("foo");
s.AppendString("foo");
std::string prefix = s.LongestCommonPrefix();
EXPECT_EQ("foo", prefix);
}
TEST(StringListTest, LongestCommonPrefixNoPrefix) {
StringList s;
s.AppendString("foo");
s.AppendString("1foobar");
s.AppendString("2foo");
s.AppendString("3foozar");
std::string prefix = s.LongestCommonPrefix();
EXPECT_EQ("", prefix);
}
TEST(StringListTest, Clear) {
StringList s;
s.Clear();
EXPECT_EQ(0U, s.GetSize());
s.AppendString("foo");
s.Clear();
EXPECT_EQ(0U, s.GetSize());
s.AppendString("foo");
s.AppendString("foo");
s.Clear();
EXPECT_EQ(0U, s.GetSize());
}
TEST(StringListTest, PopBack) {
StringList s;
s.AppendString("foo");
s.AppendString("bar");
s.AppendString("boo");
s.PopBack();
EXPECT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
s.PopBack();
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s.PopBack();
EXPECT_EQ(0U, s.GetSize());
}
TEST(StringListTest, RemoveBlankLines) {
StringList s;
// Nothing to remove yet.
s.RemoveBlankLines();
EXPECT_EQ(0U, s.GetSize());
// Add some lines.
s.AppendString("");
s.AppendString("");
s.AppendString("\t");
s.AppendString("");
s.AppendString(" ");
s.AppendString("");
s.AppendString("");
s.AppendString("f");
s.AppendString("");
s.AppendString("");
// And remove all the empty ones again.
s.RemoveBlankLines();
EXPECT_EQ(3U, s.GetSize());
EXPECT_STREQ("\t", s.GetStringAtIndex(0));
EXPECT_STREQ(" ", s.GetStringAtIndex(1));
EXPECT_STREQ("f", s.GetStringAtIndex(2));
}
TEST(StringListTest, InsertStringAtIndexStart) {
StringList s;
s.InsertStringAtIndex(0, "bar");
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("bar", s.GetStringAtIndex(0));
s.InsertStringAtIndex(0, "foo");
EXPECT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, InsertStringAtIndexEnd) {
StringList s;
s.InsertStringAtIndex(0, "foo");
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
s.InsertStringAtIndex(1, "bar");
EXPECT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, InsertStringAtIndexOutOfBounds) {
StringList s;
s.InsertStringAtIndex(1, "foo");
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
// FIXME: Inserting at an OOB index will always just append to the list. This
// seems not very intuitive.
s.InsertStringAtIndex(3, "bar");
EXPECT_EQ(2U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
EXPECT_STREQ("bar", s.GetStringAtIndex(1));
}
TEST(StringListTest, InsertStringAtIndexStdString) {
StringList s;
std::string foo = "foo";
s.InsertStringAtIndex(0, foo);
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
}
TEST(StringListTest, InsertStringAtIndexMove) {
StringList s;
std::string foo = "foo";
s.InsertStringAtIndex(0, std::move(foo));
EXPECT_EQ(1U, s.GetSize());
EXPECT_STREQ("foo", s.GetStringAtIndex(0));
}
TEST(StringListTest, CopyListEmpty) {
StringList s;
EXPECT_EQ("", s.CopyList());
EXPECT_EQ("", s.CopyList("+"));
}
TEST(StringListTest, CopyListSingle) {
StringList s;
s.AppendString("ab");
EXPECT_EQ("ab", s.CopyList());
EXPECT_EQ("-ab", s.CopyList("-"));
}
TEST(StringListTest, CopyList) {
StringList s;
s.AppendString("ab");
s.AppendString("cd");
EXPECT_EQ("ab\ncd", s.CopyList());
EXPECT_EQ("-ab\n-cd", s.CopyList("-"));
}
TEST(StringListTest, Join) {
StringList s;
s.AppendString("ab");
s.AppendString("cd");
StreamString ss;
s.Join(" ", ss);
EXPECT_EQ("ab cd", ss.GetString());
}
TEST(StringListTest, JoinEmpty) {
StringList s;
StreamString ss;
s.Join(" ", ss);
EXPECT_EQ("", ss.GetString());
}
TEST(StringListTest, JoinSingle) {
StringList s;
s.AppendString("foo");
StreamString ss;
s.Join(" ", ss);
EXPECT_EQ("foo", ss.GetString());
}
TEST(StringListTest, JoinThree) {
StringList s;
s.AppendString("1");
s.AppendString("2");
s.AppendString("3");
StreamString ss;
s.Join(" ", ss);
EXPECT_EQ("1 2 3", ss.GetString());
}
TEST(StringListTest, JoinNonSpace) {
StringList s;
s.AppendString("1");
s.AppendString("2");
s.AppendString("3");
StreamString ss;
s.Join(".", ss);
EXPECT_EQ("1.2.3", ss.GetString());
}
TEST(StringListTest, JoinMultiCharSeparator) {
StringList s;
s.AppendString("1");
s.AppendString("2");
s.AppendString("3");
StreamString ss;
s.Join("--", ss);
EXPECT_EQ("1--2--3", ss.GetString());
}
TEST(StringListTest, GetMaxStringLengthEqualSize) {
StringList s;
s.AppendString("123");
s.AppendString("123");
EXPECT_EQ(3U, s.GetMaxStringLength());
}
TEST(StringListTest, GetMaxStringLengthIncreasingSize) {
StringList s;
s.AppendString("123");
s.AppendString("1234");
EXPECT_EQ(4U, s.GetMaxStringLength());
}
TEST(StringListTest, GetMaxStringLengthDecreasingSize) {
StringList s;
s.AppendString("1234");
s.AppendString("123");
EXPECT_EQ(4U, s.GetMaxStringLength());
}
TEST(StringListTest, GetMaxStringLengthMixed) {
StringList s;
s.AppendString("123");
s.AppendString("1");
s.AppendString("123");
s.AppendString("1234");
s.AppendString("123");
s.AppendString("1");
EXPECT_EQ(4U, s.GetMaxStringLength());
}
TEST(StringListTest, GetMaxStringLengthEmpty) {
StringList s;
EXPECT_EQ(0U, s.GetMaxStringLength());
}
TEST(StringListTest, ForRangeEmpty) {
StringList s;
for (const std::string &e : s)
FAIL() << "Shouldn't have hit an element in for range" << e;
}
TEST(StringListTest, ForRange) {
StringList s;
s.AppendString("a");
s.AppendString("b");
s.AppendString("c");
std::vector<std::string> recorded;
for (const std::string &e : s)
recorded.push_back(e);
EXPECT_THAT(recorded, testing::ElementsAre("a", "b", "c"));
}
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