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//===- IndentedOstreamTest.cpp - Indented raw ostream 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 "mlir/Support/IndentedOstream.h"
#include "gmock/gmock.h"
using namespace mlir;
using ::testing::StrEq;
TEST(FormatTest, SingleLine) {
std::string str;
llvm::raw_string_ostream os(str);
raw_indented_ostream ros(os);
ros << 10;
ros.flush();
EXPECT_THAT(os.str(), StrEq("10"));
}
TEST(FormatTest, SimpleMultiLine) {
std::string str;
llvm::raw_string_ostream os(str);
raw_indented_ostream ros(os);
ros << "a";
ros << "b";
ros << "\n";
ros << "c";
ros << "\n";
ros.flush();
EXPECT_THAT(os.str(), StrEq("ab\nc\n"));
}
TEST(FormatTest, SimpleMultiLineIndent) {
std::string str;
llvm::raw_string_ostream os(str);
raw_indented_ostream ros(os);
ros.indent(2) << "a";
ros.indent(4) << "b";
ros << "\n";
ros << "c";
ros << "\n";
ros.flush();
EXPECT_THAT(os.str(), StrEq(" a b\n c\n"));
}
TEST(FormatTest, SingleRegion) {
std::string str;
llvm::raw_string_ostream os(str);
raw_indented_ostream ros(os);
ros << "before\n";
{
raw_indented_ostream::DelimitedScope scope(ros);
ros << "inside " << 10;
ros << "\n two\n";
{
raw_indented_ostream::DelimitedScope scope(ros, "{\n", "\n}\n");
ros << "inner inner";
}
}
ros << "after";
ros.flush();
const auto *expected =
R"(before
inside 10
two
{
inner inner
}
after)";
EXPECT_THAT(os.str(), StrEq(expected));
// Repeat the above with inline form.
str.clear();
ros << "before\n";
ros.scope().os << "inside " << 10 << "\n two\n";
ros.scope().os.scope("{\n", "\n}\n").os << "inner inner";
ros << "after";
ros.flush();
EXPECT_THAT(os.str(), StrEq(expected));
}
TEST(FormatTest, Reindent) {
std::string str;
llvm::raw_string_ostream os(str);
raw_indented_ostream ros(os);
// String to print with some additional empty lines at the start and lines
// with just spaces.
const auto *desc = R"(
First line
second line
)";
ros.printReindented(desc);
ros.flush();
const auto *expected =
R"(First line
second line
)";
EXPECT_THAT(os.str(), StrEq(expected));
}
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