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llvm-project/clang/unittests/Format/FormatTestRawStrings.cpp

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//===- unittest/Format/FormatTestRawStrings.cpp - Formatting unit tests ---===//
//
// 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 "clang/Format/Format.h"
#include "../Tooling/ReplacementTest.h"
#include "FormatTestUtils.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MemoryBuffer.h"
#include "gtest/gtest.h"
#define DEBUG_TYPE "format-test"
using clang::tooling::ReplacementTest;
using clang::tooling::toReplacements;
namespace clang {
namespace format {
namespace {
class FormatTestRawStrings : public ::testing::Test {
protected:
enum StatusCheck { SC_ExpectComplete, SC_ExpectIncomplete, SC_DoNotCheck };
std::string format(llvm::StringRef Code,
const FormatStyle &Style = getLLVMStyle(),
StatusCheck CheckComplete = SC_ExpectComplete) {
LLVM_DEBUG(llvm::errs() << "---\n");
LLVM_DEBUG(llvm::errs() << Code << "\n\n");
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
FormattingAttemptStatus Status;
tooling::Replacements Replaces =
reformat(Style, Code, Ranges, "<stdin>", &Status);
if (CheckComplete != SC_DoNotCheck) {
bool ExpectedCompleteFormat = CheckComplete == SC_ExpectComplete;
EXPECT_EQ(ExpectedCompleteFormat, Status.FormatComplete)
<< Code << "\n\n";
}
ReplacementCount = Replaces.size();
auto Result = applyAllReplacements(Code, Replaces);
EXPECT_TRUE(static_cast<bool>(Result));
LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
return *Result;
}
FormatStyle getStyleWithColumns(FormatStyle Style, unsigned ColumnLimit) {
Style.ColumnLimit = ColumnLimit;
return Style;
}
FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) {
return getStyleWithColumns(getLLVMStyle(), ColumnLimit);
}
int ReplacementCount;
FormatStyle getRawStringPbStyleWithColumns(unsigned ColumnLimit) {
FormatStyle Style = getLLVMStyle();
Style.ColumnLimit = ColumnLimit;
Style.RawStringFormats = {
{
/*Language=*/FormatStyle::LK_TextProto,
/*Delimiters=*/{"pb"},
/*EnclosingFunctions=*/{},
/*CanonicalDelimiter=*/"",
/*BasedOnStyle=*/"google",
},
};
return Style;
}
FormatStyle getRawStringLLVMCppStyleBasedOn(std::string BasedOnStyle) {
FormatStyle Style = getLLVMStyle();
Style.RawStringFormats = {
{
/*Language=*/FormatStyle::LK_Cpp,
/*Delimiters=*/{"cpp"},
/*EnclosingFunctions=*/{},
/*CanonicalDelimiter=*/"",
BasedOnStyle,
},
};
return Style;
}
FormatStyle getRawStringGoogleCppStyleBasedOn(std::string BasedOnStyle) {
FormatStyle Style = getGoogleStyle(FormatStyle::LK_Cpp);
Style.RawStringFormats = {
{
/*Language=*/FormatStyle::LK_Cpp,
/*Delimiters=*/{"cpp"},
/*EnclosingFunctions=*/{},
/*CanonicalDelimiter=*/"",
BasedOnStyle,
},
};
return Style;
}
// Gcc 4.8 doesn't support raw string literals in macros, which breaks some
// build bots. We use this function instead.
void expect_eq(const std::string Expected, const std::string Actual) {
EXPECT_EQ(Expected, Actual);
}
};
TEST_F(FormatTestRawStrings, ReformatsAccordingToBaseStyle) {
// llvm style puts '*' on the right.
// google style puts '*' on the left.
// Use the llvm style if the raw string style has no BasedOnStyle.
expect_eq(R"test(int *i = R"cpp(int *p = nullptr;)cpp")test",
format(R"test(int * i = R"cpp(int * p = nullptr;)cpp")test",
getRawStringLLVMCppStyleBasedOn("")));
// Use the google style if the raw string style has BasedOnStyle=google.
expect_eq(R"test(int *i = R"cpp(int* p = nullptr;)cpp")test",
format(R"test(int * i = R"cpp(int * p = nullptr;)cpp")test",
getRawStringLLVMCppStyleBasedOn("google")));
// Use the llvm style if the raw string style has no BasedOnStyle=llvm.
expect_eq(R"test(int* i = R"cpp(int *p = nullptr;)cpp")test",
format(R"test(int * i = R"cpp(int * p = nullptr;)cpp")test",
getRawStringGoogleCppStyleBasedOn("llvm")));
}
TEST_F(FormatTestRawStrings, UsesConfigurationOverBaseStyle) {
// llvm style puts '*' on the right.
// google style puts '*' on the left.
// Uses the configured google style inside raw strings even if BasedOnStyle in
// the raw string format is llvm.
FormatStyle Style = getGoogleStyle(FormatStyle::LK_Cpp);
EXPECT_EQ(0, parseConfiguration("---\n"
"Language: Cpp\n"
"BasedOnStyle: Google",
&Style)
.value());
Style.RawStringFormats = {{
FormatStyle::LK_Cpp,
{"cpp"},
{},
/*CanonicalDelimiter=*/"",
/*BasedOnStyle=*/"llvm",
}};
expect_eq(R"test(int* i = R"cpp(int* j = 0;)cpp";)test",
format(R"test(int * i = R"cpp(int * j = 0;)cpp";)test", Style));
}
TEST_F(FormatTestRawStrings, MatchesDelimitersCaseSensitively) {
// Don't touch the 'PB' raw string, format the 'pb' raw string.
expect_eq(R"test(
s = R"PB(item:1)PB";
t = R"pb(item: 1)pb";)test",
format(R"test(
s = R"PB(item:1)PB";
t = R"pb(item:1)pb";)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, RespectsClangFormatOff) {
expect_eq(R"test(
// clang-format off
s = R"pb(item: 1)pb";
// clang-format on
t = R"pb(item: 1)pb";)test",
format(R"test(
// clang-format off
s = R"pb(item: 1)pb";
// clang-format on
t = R"pb(item: 1)pb";)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, ReformatsShortRawStringsOnSingleLine) {
expect_eq(R"test(P p = TP(R"pb()pb");)test",
format(R"test(P p = TP(R"pb( )pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(P p = TP(R"pb(item_1: 1)pb");)test",
format(R"test(P p = TP(R"pb(item_1:1)pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(P p = TP(R"pb(item_1: 1)pb");)test",
format(R"test(P p = TP(R"pb( item_1 : 1 )pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(P p = TP(R"pb(item_1: 1 item_2: 2)pb");)test",
format(R"test(P p = TP(R"pb(item_1:1 item_2:2)pb");)test",
getRawStringPbStyleWithColumns(40)));
// Merge two short lines into one.
expect_eq(R"test(
std::string s = R"pb(
item_1: 1 item_2: 2
)pb";
)test",
format(R"test(
std::string s = R"pb(
item_1:1
item_2:2
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, BreaksShortRawStringsWhenNeeded) {
// The raw string contains multiple submessage entries, so break for
// readability.
expect_eq(R"test(
P p = TP(R"pb(item_1 < 1 >
item_2: { 2 })pb");)test",
format(
R"test(
P p = TP(R"pb(item_1<1> item_2:{2})pb");)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, BreaksRawStringsExceedingColumnLimit) {
expect_eq(R"test(
P p = TPPPPPPPPPPPPPPP(
R"pb(item_1: 1, item_2: 2)pb");)test",
format(R"test(
P p = TPPPPPPPPPPPPPPP(R"pb(item_1: 1, item_2: 2)pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
P p =
TPPPPPPPPPPPPPPP(
R"pb(item_1: 1,
item_2: 2,
item_3: 3)pb");)test",
format(R"test(
P p = TPPPPPPPPPPPPPPP(R"pb(item_1: 1, item_2: 2, item_3: 3)pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
P p = TP(R"pb(item_1 < 1 >
item_2: < 2 >
item_3 {})pb");)test",
format(R"test(
P p = TP(R"pb(item_1<1> item_2:<2> item_3{ })pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(
R"test(
P p = TP(R"pb(item_1: 1,
item_2: 2,
item_3: 3,
item_4: 4)pb");)test",
format(
R"test(
P p = TP(R"pb(item_1: 1, item_2: 2, item_3: 3, item_4: 4)pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
P p = TPPPPPPPPPPPPPPP(
R"pb(item_1 < 1 >,
item_2: { 2 },
item_3: < 3 >,
item_4: { 4 })pb");)test",
format(R"test(
P p = TPPPPPPPPPPPPPPP(R"pb(item_1<1>, item_2: {2}, item_3: <3>, item_4:{4})pb");)test",
getRawStringPbStyleWithColumns(40)));
// Breaks before a short raw string exceeding the column limit.
expect_eq(R"test(
FFFFFFFFFFFFFFFFFFFFFFFFFFF(
R"pb(key: 1)pb");
P p = TPPPPPPPPPPPPPPPPPPPP(
R"pb(key: 2)pb");
auto TPPPPPPPPPPPPPPPPPPPP =
R"pb(key: 3)pb";
P p = TPPPPPPPPPPPPPPPPPPPP(
R"pb(i: 1, j: 2)pb");
int f(string s) {
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF(
R"pb(key: 1)pb");
P p = TPPPPPPPPPPPPPPPPPPPP(
R"pb(key: 2)pb");
auto TPPPPPPPPPPPPPPPPPPPP =
R"pb(key: 3)pb";
if (s.empty())
P p = TPPPPPPPPPPPPPPPPPPPP(
R"pb(i: 1, j: 2)pb");
}
)test",
format(R"test(
FFFFFFFFFFFFFFFFFFFFFFFFFFF(R"pb(key:1)pb");
P p = TPPPPPPPPPPPPPPPPPPPP(R"pb(key:2)pb");
auto TPPPPPPPPPPPPPPPPPPPP = R"pb(key:3)pb";
P p = TPPPPPPPPPPPPPPPPPPPP(R"pb(i: 1, j:2)pb");
int f(string s) {
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF(R"pb(key:1)pb");
P p = TPPPPPPPPPPPPPPPPPPPP(R"pb(key:2)pb");
auto TPPPPPPPPPPPPPPPPPPPP = R"pb(key:3)pb";
if (s.empty())
P p = TPPPPPPPPPPPPPPPPPPPP(R"pb(i: 1, j:2)pb");
}
)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, FormatsRawStringArguments) {
expect_eq(R"test(
P p = TP(R"pb(key { 1 })pb", param_2);)test",
format(R"test(
P p = TP(R"pb(key{1})pb",param_2);)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
PPPPPPPPPPPPP(R"pb(keykeyk)pb",
param_2);)test",
format(R"test(
PPPPPPPPPPPPP(R"pb(keykeyk)pb", param_2);)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
P p = TP(
R"pb(item: { i: 1, s: 's' }
item: { i: 2, s: 't' })pb");)test",
format(R"test(
P p = TP(R"pb(item: {i: 1, s: 's'} item: {i: 2, s: 't'})pb");)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
FFFFFFFFFFFFFFFFFFF(
R"pb(key: "value")pb",
R"pb(key2: "value")pb");)test",
format(R"test(
FFFFFFFFFFFFFFFFFFF(R"pb(key: "value")pb", R"pb(key2: "value")pb");)test",
getRawStringPbStyleWithColumns(40)));
// Formats the first out of two arguments.
expect_eq(R"test(
FFFFFFFF(R"pb(key: 1)pb", argument2);
struct S {
const s =
f(R"pb(key: 1)pb", argument2);
void f() {
if (gol)
return g(R"pb(key: 1)pb",
132789237);
return g(R"pb(key: 1)pb", "172893");
}
};)test",
format(R"test(
FFFFFFFF(R"pb(key:1)pb", argument2);
struct S {
const s = f(R"pb(key:1)pb", argument2);
void f() {
if (gol)
return g(R"pb(key:1)pb", 132789237);
return g(R"pb(key:1)pb", "172893");
}
};)test",
getRawStringPbStyleWithColumns(40)));
// Formats the second out of two arguments.
expect_eq(R"test(
FFFFFFFF(argument1, R"pb(key: 2)pb");
struct S {
const s =
f(argument1, R"pb(key: 2)pb");
void f() {
if (gol)
return g(12784137,
R"pb(key: 2)pb");
return g(17283122, R"pb(key: 2)pb");
}
};)test",
format(R"test(
FFFFFFFF(argument1, R"pb(key:2)pb");
struct S {
const s = f(argument1, R"pb(key:2)pb");
void f() {
if (gol)
return g(12784137, R"pb(key:2)pb");
return g(17283122, R"pb(key:2)pb");
}
};)test",
getRawStringPbStyleWithColumns(40)));
// Formats two short raw string arguments.
expect_eq(R"test(
FFFFF(R"pb(key: 1)pb", R"pb(key: 2)pb");)test",
format(R"test(
FFFFF(R"pb(key:1)pb", R"pb(key:2)pb");)test",
getRawStringPbStyleWithColumns(40)));
// TODO(krasimir): The original source code fits on one line, so the
// non-optimizing formatter is chosen. But after the formatting in protos is
// made, the code doesn't fit on one line anymore and further formatting
// splits it.
//
// Should we disable raw string formatting for the non-optimizing formatter?
expect_eq(R"test(
FFFFFFF(R"pb(key: 1)pb", R"pb(key: 2)pb");)test",
format(R"test(
FFFFFFF(R"pb(key:1)pb", R"pb(key:2)pb");)test",
getRawStringPbStyleWithColumns(40)));
// Formats two short raw string arguments, puts second on newline.
expect_eq(R"test(
FFFFFFFF(R"pb(key: 1)pb",
R"pb(key: 2)pb");)test",
format(R"test(
FFFFFFFF(R"pb(key:1)pb", R"pb(key:2)pb");)test",
getRawStringPbStyleWithColumns(40)));
// Formats both arguments.
expect_eq(R"test(
FFFFFFFF(R"pb(key: 1)pb",
R"pb(key: 2)pb");
struct S {
const s = f(R"pb(key: 1)pb",
R"pb(key: 2)pb");
void f() {
if (gol)
return g(R"pb(key: 1)pb",
R"pb(key: 2)pb");
return g(R"pb(k1)pb", R"pb(k2)pb");
}
};)test",
format(R"test(
FFFFFFFF(R"pb(key:1)pb", R"pb(key:2)pb");
struct S {
const s = f(R"pb(key:1)pb", R"pb(key:2)pb");
void f() {
if (gol)
return g(R"pb(key:1)pb", R"pb(key:2)pb");
return g(R"pb( k1 )pb", R"pb( k2 )pb");
}
};)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, RawStringStartingWithNewlines) {
expect_eq(R"test(
std::string s = R"pb(
item_1: 1
)pb";
)test",
format(R"test(
std::string s = R"pb(
item_1:1
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
std::string s = R"pb(
item_1: 1
)pb";
)test",
format(R"test(
std::string s = R"pb(
item_1:1
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
std::string s = R"pb(
item_1: 1
)pb";
)test",
format(R"test(
std::string s = R"pb(
item_1:1
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
std::string s = R"pb(
item_1: 1,
item_2: 2
)pb";
)test",
format(R"test(
std::string s = R"pb(
item_1:1, item_2:2
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
std::string s = R"pb(
book {
title: "Alice's Adventures"
author: "Lewis Caroll"
}
book {
title: "Peter Pan"
author: "J. M. Barrie"
}
)pb";
)test",
format(R"test(
std::string s = R"pb(
book { title: "Alice's Adventures" author: "Lewis Caroll" }
book { title: "Peter Pan" author: "J. M. Barrie" }
)pb";
)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, BreaksBeforeRawStrings) {
expect_eq(R"test(
ASSERT_TRUE(
ParseFromString(R"pb(item_1: 1)pb"),
ptr);)test",
format(R"test(
ASSERT_TRUE(ParseFromString(R"pb(item_1: 1)pb"), ptr);)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
ASSERT_TRUE(toolong::ParseFromString(
R"pb(item_1: 1)pb"),
ptr);)test",
format(R"test(
ASSERT_TRUE(toolong::ParseFromString(R"pb(item_1: 1)pb"), ptr);)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
ASSERT_TRUE(ParseFromString(
R"pb(item_1: 1,
item_2: 2)pb"),
ptr);)test",
format(R"test(
ASSERT_TRUE(ParseFromString(R"pb(item_1: 1, item_2: 2)pb"), ptr);)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
ASSERT_TRUE(
ParseFromString(
R"pb(item_1: 1 item_2: 2)pb"),
ptr);)test",
format(R"test(
ASSERT_TRUE(ParseFromString(R"pb(item_1: 1 item_2: 2)pb"), ptr);)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, RawStringsInOperands) {
// Formats the raw string first operand of a binary operator expression.
expect_eq(R"test(auto S = R"pb(item_1: 1)pb" + rest;)test",
format(R"test(auto S = R"pb(item_1:1)pb" + rest;)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = R"pb(item_1: 1, item_2: 2)pb" +
rest;)test",
format(R"test(
auto S = R"pb(item_1:1,item_2:2)pb"+rest;)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S =
R"pb(item_1: 1 item_2: 2)pb" + rest;)test",
format(R"test(
auto S = R"pb(item_1:1 item_2:2)pb"+rest;)test",
getRawStringPbStyleWithColumns(40)));
// `rest` fits on the line after )pb", but forced on newline since the raw
// string literal is multiline.
expect_eq(R"test(
auto S = R"pb(item_1: 1,
item_2: 2,
item_3: 3)pb" +
rest;)test",
format(R"test(
auto S = R"pb(item_1:1,item_2:2,item_3:3)pb"+rest;)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = R"pb(item_1: 1,
item_2: 2,
item_3: 3)pb" +
longlongrest;)test",
format(R"test(
auto S = R"pb(item_1:1,item_2:2,item_3:3)pb"+longlongrest;)test",
getRawStringPbStyleWithColumns(40)));
// Formats the raw string second operand of a binary operator expression.
expect_eq(R"test(auto S = first + R"pb(item_1: 1)pb";)test",
format(R"test(auto S = first + R"pb(item_1:1)pb";)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = first + R"pb(item_1: 1,
item_2: 2)pb";)test",
format(R"test(
auto S = first+R"pb(item_1:1,item_2:2)pb";)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = first + R"pb(item_1: 1
item_2: 2)pb";)test",
format(R"test(
auto S = first+R"pb(item_1:1 item_2:2)pb";)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = R"pb(item_1: 1,
item_2: 2,
item_3: 3)pb" +
rest;)test",
format(R"test(
auto S = R"pb(item_1:1,item_2:2,item_3:3)pb"+rest;)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = R"pb(item_1: 1,
item_2: 2,
item_3: 3)pb" +
longlongrest;)test",
format(R"test(
auto S = R"pb(item_1:1,item_2:2,item_3:3)pb"+longlongrest;)test",
getRawStringPbStyleWithColumns(40)));
// Formats the raw string operands in expressions.
expect_eq(R"test(
auto S = R"pb(item_1: 1)pb" +
R"pb(item_2: 2)pb";
)test",
format(R"test(
auto S=R"pb(item_1:1)pb"+R"pb(item_2:2)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = R"pb(item_1: 1)pb" +
R"pb(item_2: 2)pb" +
R"pb(item_3: 3)pb";
)test",
format(R"test(
auto S=R"pb(item_1:1)pb"+R"pb(item_2:2)pb"+R"pb(item_3:3)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S = (count < 3)
? R"pb(item_1: 1)pb"
: R"pb(item_2: 2)pb";
)test",
format(R"test(
auto S=(count<3)?R"pb(item_1:1)pb":R"pb(item_2:2)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S =
(count < 3)
? R"pb(item_1: 1, item_2: 2)pb"
: R"pb(item_3: 3)pb";
)test",
format(R"test(
auto S=(count<3)?R"pb(item_1:1,item_2:2)pb":R"pb(item_3:3)pb";
)test",
getRawStringPbStyleWithColumns(40)));
expect_eq(R"test(
auto S =
(count < 3)
? R"pb(item_1: 1)pb"
: R"pb(item_2: 2, item_3: 3)pb";
)test",
format(R"test(
auto S=(count<3)?R"pb(item_1:1)pb":R"pb(item_2:2,item_3:3)pb";
)test",
getRawStringPbStyleWithColumns(40)));
}
TEST_F(FormatTestRawStrings, PrefixAndSuffixAlignment) {
// Keep the suffix at the end of line if not on newline.
expect_eq(R"test(
int s() {
auto S = PTP(
R"pb(
item_1: 1,
item_2: 2)pb");
})test",
format(R"test(
int s() {
auto S = PTP(
R"pb(
item_1: 1,
item_2: 2)pb");
})test",
getRawStringPbStyleWithColumns(20)));
// Align the suffix with the surrounding indent if the prefix is not on
// a line of its own.
expect_eq(R"test(
int s() {
auto S = PTP(R"pb(
item_1: 1,
item_2: 2
)pb");
})test",
format(R"test(
int s() {
auto S = PTP(R"pb(
item_1: 1,
item_2: 2
)pb");
})test",
getRawStringPbStyleWithColumns(20)));
// Align the prefix with the suffix if both the prefix and suffix are on a
// line of their own.
expect_eq(R"test(
int s() {
auto S = PTP(
R"pb(
item_1: 1,
item_2: 2,
)pb");
})test",
format(R"test(
int s() {
auto S = PTP(
R"pb(
item_1: 1,
item_2: 2,
)pb");
})test",
getRawStringPbStyleWithColumns(20)));
}
TEST_F(FormatTestRawStrings, EstimatesPenalty) {
// The penalty for characters exceeding the column limit in the raw string
// forces 'hh' to be put on a newline.
expect_eq(R"test(
ff(gggggg,
hh(R"pb(key {
i1: k1
i2: k2
})pb"));
)test",
format(R"test(
ff(gggggg, hh(R"pb(key {
i1: k1
i2: k2
})pb"));
)test",
getRawStringPbStyleWithColumns(20)));
}
TEST_F(FormatTestRawStrings, DontFormatNonRawStrings) {
expect_eq(R"test(a = R"pb(key:value)";)test",
format(R"test(a = R"pb(key:value)";)test",
getRawStringPbStyleWithColumns(20)));
}
TEST_F(FormatTestRawStrings, FormatsRawStringsWithEnclosingFunctionName) {
FormatStyle Style = getRawStringPbStyleWithColumns(40);
Style.RawStringFormats[0].EnclosingFunctions.push_back("PARSE_TEXT_PROTO");
Style.RawStringFormats[0].EnclosingFunctions.push_back("ParseTextProto");
expect_eq(R"test(a = PARSE_TEXT_PROTO(R"(key: value)");)test",
format(R"test(a = PARSE_TEXT_PROTO(R"(key:value)");)test", Style));
expect_eq(R"test(
a = PARSE_TEXT_PROTO /**/ (
/**/ R"(key: value)");)test",
format(R"test(
a = PARSE_TEXT_PROTO/**/(/**/R"(key:value)");)test",
Style));
expect_eq(R"test(
a = ParseTextProto<ProtoType>(
R"(key: value)");)test",
format(R"test(
a = ParseTextProto<ProtoType>(R"(key:value)");)test",
Style));
}
TEST_F(FormatTestRawStrings, UpdatesToCanonicalDelimiters) {
FormatStyle Style = getRawStringPbStyleWithColumns(25);
Style.RawStringFormats[0].CanonicalDelimiter = "proto";
expect_eq(R"test(a = R"proto(key: value)proto";)test",
format(R"test(a = R"pb(key:value)pb";)test", Style));
// Don't update to canonical delimiter if it occurs as a raw string suffix in
// the raw string content.
expect_eq(R"test(a = R"pb(key: ")proto")pb";)test",
format(R"test(a = R"pb(key:")proto")pb";)test", Style));
}
TEST_F(FormatTestRawStrings, PenalizesPrefixExcessChars) {
FormatStyle Style = getRawStringPbStyleWithColumns(60);
// The '(' in R"pb is at column 60, no break.
expect_eq(R"test(
xxxxxxxaaaaax wwwwwww = _Verxrrrrrrrr(PARSE_TEXT_PROTO(R"pb(
Category: aaaaaaaaaaaaaaaaaaaaaaaaaa
)pb"));
)test",
format(R"test(
xxxxxxxaaaaax wwwwwww = _Verxrrrrrrrr(PARSE_TEXT_PROTO(R"pb(
Category: aaaaaaaaaaaaaaaaaaaaaaaaaa
)pb"));
)test",
Style));
// The '(' in R"pb is at column 61, break.
expect_eq(R"test(
xxxxxxxaaaaax wwwwwww =
_Verxrrrrrrrrr(PARSE_TEXT_PROTO(R"pb(
Category: aaaaaaaaaaaaaaaaaaaaaaaaaa
)pb"));
)test",
format(R"test(
xxxxxxxaaaaax wwwwwww = _Verxrrrrrrrrr(PARSE_TEXT_PROTO(R"pb(
Category: aaaaaaaaaaaaaaaaaaaaaaaaaa
)pb"));
)test",
Style));
}
TEST_F(FormatTestRawStrings, KeepsRBraceFolloedByMoreLBracesOnSameLine) {
FormatStyle Style = getRawStringPbStyleWithColumns(80);
expect_eq(
R"test(
int f() {
if (1) {
TTTTTTTTTTTTTTTTTTTTT s = PARSE_TEXT_PROTO(R"pb(
ttttttttt {
ppppppppppppp {
[cccccccccc.pppppppppppppp.TTTTTTTTTTTTTTTTTTTT] { field_1: "123_1" }
[cccccccccc.pppppppppppppp.TTTTTTTTTTTTTTTTTTTT] { field_2: "123_2" }
}
}
)pb");
}
}
)test",
format(
R"test(
int f() {
if (1) {
TTTTTTTTTTTTTTTTTTTTT s = PARSE_TEXT_PROTO(R"pb(
ttttttttt {
ppppppppppppp {
[cccccccccc.pppppppppppppp.TTTTTTTTTTTTTTTTTTTT] { field_1: "123_1" }
[cccccccccc.pppppppppppppp.TTTTTTTTTTTTTTTTTTTT] { field_2: "123_2" }}}
)pb");
}
}
)test",
Style));
}
TEST_F(FormatTestRawStrings,
DoNotFormatUnrecognizedDelimitersInRecognizedFunctions) {
FormatStyle Style = getRawStringPbStyleWithColumns(60);
Style.RawStringFormats[0].EnclosingFunctions.push_back("EqualsProto");
// EqualsProto is a recognized function, but the Raw delimiter is
// unrecognized. Do not touch the string in this case, since it might be
// special.
expect_eq(R"test(
void f() {
aaaaaaaaa(bbbbbbbbb, EqualsProto(R"Raw(
item {
key: value
}
)Raw"));
})test",
format(R"test(
void f() {
aaaaaaaaa(bbbbbbbbb, EqualsProto(R"Raw(
item {
key: value
}
)Raw"));
})test",
Style));
}
TEST_F(FormatTestRawStrings,
BreaksBeforeNextParamAfterMultilineRawStringParam) {
FormatStyle Style = getRawStringPbStyleWithColumns(60);
expect_eq(R"test(
int f() {
int a = g(x, R"pb(
key: 1 #
key: 2
)pb",
3, 4);
}
)test",
format(R"test(
int f() {
int a = g(x, R"pb(
key: 1 #
key: 2
)pb", 3, 4);
}
)test",
Style));
// Breaks after a parent of a multiline param.
expect_eq(R"test(
int f() {
int a = g(x, h(R"pb(
key: 1 #
key: 2
)pb"),
3, 4);
}
)test",
format(R"test(
int f() {
int a = g(x, h(R"pb(
key: 1 #
key: 2
)pb"), 3, 4);
}
)test",
Style));
expect_eq(R"test(
int f() {
int a = g(x,
h(R"pb(
key: 1 #
key: 2
)pb",
2),
3, 4);
}
)test",
format(R"test(
int f() {
int a = g(x, h(R"pb(
key: 1 #
key: 2
)pb", 2), 3, 4);
}
)test",
Style));
// Breaks if formatting introduces a multiline raw string.
expect_eq(R"test(
int f() {
int a = g(x, R"pb(key1: value111111111
key2: value2222222222)pb",
3, 4);
}
)test",
format(R"test(
int f() {
int a = g(x, R"pb(key1: value111111111 key2: value2222222222)pb", 3, 4);
}
)test",
Style));
// Does not force a break after an original multiline param that is
// reformatterd as on single line.
expect_eq(R"test(
int f() {
int a = g(R"pb(key: 1)pb", 2);
})test",
format(R"test(
int f() {
int a = g(R"pb(key:
1)pb", 2);
})test",
Style));
}
TEST_F(FormatTestRawStrings, IndentsLastParamAfterNewline) {
FormatStyle Style = getRawStringPbStyleWithColumns(60);
expect_eq(R"test(
fffffffffffffffffffff("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
R"pb(
b: c
)pb");)test",
format(R"test(
fffffffffffffffffffff("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
R"pb(
b: c
)pb");)test",
Style));
}
} // end namespace
} // end namespace format
} // end namespace clang
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