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/*
* Copyright 2017 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gtest/gtest.h"
#include <memory>
#include "src/error-handler.h"
#include "src/wast-lexer.h"
#include "src/wast-parser.h"
using namespace wabt;
namespace {
std::string repeat(std::string s, size_t count) {
std::string result;
for (size_t i = 0; i < count; ++i) {
result += s;
}
return result;
}
std::string ParseInvalidModule(std::string text) {
auto lexer = WastLexer::CreateBufferLexer("test", text.c_str(), text.size());
const size_t source_line_max_length = 80;
ErrorHandlerBuffer error_handler(Location::Type::Text,
source_line_max_length);
std::unique_ptr<Module> module;
Result result = ParseWatModule(lexer.get(), &module, &error_handler);
EXPECT_EQ(Result::Error, result);
return error_handler.buffer();
}
} // end of anonymous namespace
TEST(WastParser, LongToken) {
std::string text;
text = "(module (data \"";
text += repeat("a", 0x5000);
text += "\" \"";
text += repeat("a", 0x10000);
text += "\"))";
std::string output = ParseInvalidModule(text);
const char expected[] =
R"(test:1:15: error: unexpected token ""aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...", expected an offset expr (e.g. (i32.const 123)).
(module (data "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)";
ASSERT_STREQ(expected, output.c_str());
}
TEST(WastParser, LongTokenSpace) {
std::string text;
text = "notparen";
text += repeat(" ", 0x10000);
text += "notmodule";
std::string output = ParseInvalidModule(text);
const char expected[] =
R"(test:1:1: error: unexpected token "notparen", expected a module field or a module.
notparen ...
^^^^^^^^
test:1:65545: error: unexpected token notmodule, expected EOF.
... notmodule
^^^^^^^^^
)";
ASSERT_STREQ(expected, output.c_str());
}
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