mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Geoff Romer
e3d3122f1d
Rationale: this convention avoids forcing closely-related code to be far apart in the namespace hierarchy, and vice versa. By the same token, it makes the namespace hierarchy more consistent with the directory hierarchy.
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "explorer/parse_and_execute/parse_and_execute.h"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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namespace Carbon {
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namespace {
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using ::testing::MatchesRegex;
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TEST(ParseAndExecuteTest, Recursion) {
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llvm::vfs::InMemoryFileSystem fs;
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llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> prelude =
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llvm::MemoryBuffer::getFile("explorer/data/prelude.carbon");
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ASSERT_FALSE(prelude.getError()) << prelude.getError().message();
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ASSERT_TRUE(fs.addFile("prelude.carbon", /*ModificationTime=*/0,
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std::move(*prelude)));
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std::string source = R"(
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package Test api;
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fn Main() -> i32 {
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return
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)";
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// A high depth that's expected to complete in a few seconds.
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static constexpr int Depth = 50000;
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for (int i = 0; i < Depth; ++i) {
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source += "if true then\n";
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}
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source += "1\n";
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for (int i = 0; i < Depth; ++i) {
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source += "else 0\n";
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}
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source += R"(
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;
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}
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)";
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ASSERT_TRUE(fs.addFile("test.carbon", /*ModificationTime=*/0,
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llvm::MemoryBuffer::getMemBuffer(source)));
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TraceStream trace_stream;
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auto err =
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ParseAndExecute(fs, "prelude.carbon", "test.carbon",
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/*parser_debug=*/false, &trace_stream, &llvm::nulls());
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ASSERT_FALSE(err.ok());
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// Don't expect any particular source location for the error.
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EXPECT_THAT(err.error().message(),
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MatchesRegex("RUNTIME ERROR:.* stack overflow: too many "
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"interpreter actions on stack"));
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}
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} // namespace
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} // namespace Carbon
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