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//===- Protocol.cpp - LSP JSON protocol 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 "mlir/Tools/lsp-server-support/Protocol.h"
#include "gtest/gtest.h"
using namespace mlir;
using namespace mlir::lsp;
using namespace testing;
namespace {
TEST(ProtocolTest, DiagnosticTagPresent) {
Diagnostic diagnostic;
diagnostic.tags.push_back(DiagnosticTag::Unnecessary);
llvm::json::Value json = toJSON(diagnostic);
const llvm::json::Object *o = json.getAsObject();
const llvm::json::Array *v = o->get("tags")->getAsArray();
EXPECT_EQ(*v, llvm::json::Array{1});
Diagnostic parsed;
llvm::json::Path::Root root = llvm::json::Path::Root();
bool success = fromJSON(json, parsed, llvm::json::Path(root));
EXPECT_TRUE(success);
ASSERT_EQ(parsed.tags.size(), (size_t)1);
EXPECT_EQ(parsed.tags.at(0), DiagnosticTag::Unnecessary);
}
TEST(ProtocolTest, DiagnosticTagNotPresent) {
Diagnostic diagnostic;
llvm::json::Value json = toJSON(diagnostic);
const llvm::json::Object *o = json.getAsObject();
const llvm::json::Value *v = o->get("tags");
EXPECT_EQ(v, nullptr);
Diagnostic parsed;
llvm::json::Path::Root root = llvm::json::Path::Root();
bool success = fromJSON(json, parsed, llvm::json::Path(root));
EXPECT_TRUE(success);
EXPECT_TRUE(parsed.tags.empty());
}
} // namespace
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