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Richard SmithandJon Ross-Perkins
ea60e4f491
This will be more correct if a user file is named prelude.carbon, and reduces the explorer runtime by about 10% by removing a string comparison from the check for whether trace output is enabled. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
48 lines
1.3 KiB
C++
48 lines
1.3 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::Testing {
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namespace {
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using ::testing::Eq;
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using ::testing::MatchesRegex;
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TEST(ParseAndExecuteTest, Recursion) {
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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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TraceStream trace_stream;
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auto err =
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ParseAndExecute("explorer/data/prelude.carbon", "test.carbon", source,
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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::Testing
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