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carbon-lang/executable_semantics/syntax/parse_test.cpp
T
Geoff Romer ec2f8e64e2 Support parsing Carbon files from strings. (#954)
Also, pass file names as string_view for greater convenience.
2021-11-23 10:44:39 -08:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "executable_semantics/syntax/parse.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <string>
#include <variant>
#include "executable_semantics/common/arena.h"
namespace Carbon {
namespace {
static constexpr std::string_view FileContents = R"(
package ExecutableSemanticsTest api;
fn Foo() {}
)";
TEST(ParseTest, ParseFromString) {
Arena arena;
std::variant<AST, SyntaxErrorCode> parse_result =
ParseFromString(&arena, "file.carbon", FileContents, /*trace=*/false);
ASSERT_TRUE(std::holds_alternative<AST>(parse_result));
EXPECT_EQ(std::get<AST>(parse_result).declarations.size(), 1);
}
} // namespace
} // namespace Carbon