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llvm-mirror/unittests/ObjectYAML/YAMLTest.cpp
Joachim Meyer d06a70e02e Add -Wno-error=unknown flag to clang-format.
Currently newer clang-format options cannot be included in .clang-format files, if not all users can be forced to use an updated version.
This patch tries to solve this by adding an option to clang-format, enabling to ignore unknown (newer) options.

Differential Revision: https://reviews.llvm.org/D86137
2020-09-19 10:17:57 +02:00

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1.5 KiB
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//===- YAMLTest.cpp - Tests for Object YAML -------------------------------===//
//
// 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 "llvm/ObjectYAML/YAML.h"
#include "llvm/Support/YAMLTraits.h"
#include "gtest/gtest.h"
using namespace llvm;
struct BinaryHolder {
yaml::BinaryRef Binary;
};
namespace llvm {
namespace yaml {
template <>
struct MappingTraits<BinaryHolder> {
static void mapping(IO &IO, BinaryHolder &BH) {
IO.mapRequired("Binary", BH.Binary);
}
};
} // end namespace yaml
} // end namespace llvm
TEST(ObjectYAML, BinaryRef) {
BinaryHolder BH;
SmallVector<char, 32> Buf;
llvm::raw_svector_ostream OS(Buf);
yaml::Output YOut(OS);
YOut << BH;
EXPECT_NE(OS.str().find("''"), StringRef::npos);
}
TEST(ObjectYAML, UnknownOption) {
StringRef InputYAML = "InvalidKey: InvalidValue\n"
"Binary: AAAA\n";
BinaryHolder BH;
yaml::Input Input(InputYAML);
// test 1: default in trying to parse invalid key is an error case.
Input >> BH;
EXPECT_EQ(Input.error().value(), 22);
// test 2: only warn about invalid key if actively set.
yaml::Input Input2(InputYAML);
BinaryHolder BH2;
Input2.setAllowUnknownKeys(true);
Input2 >> BH2;
EXPECT_EQ(BH2.Binary, yaml::BinaryRef("AAAA"));
EXPECT_EQ(Input2.error().value(), 0);
}