Simon Rozman
8457226168
Our test program runs 15 minutes using our streams vs. 25 minutes using std::iostream derived streams. Streams were ported from Amebis AOsn project. Signed-off-by: Simon Rozman <simon@rozman.si>
112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
/*
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SPDX-License-Identifier: MIT
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Copyright © 2023 Amebis
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*/
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#include "pch.h"
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using namespace std;
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using namespace Microsoft::VisualStudio::CppUnitTestFramework;
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namespace UnitTests
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{
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TEST_CLASS(stream)
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{
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public:
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TEST_METHOD(async)
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{
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constexpr size_t total = 1000;
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stdex::stream::memory_file source(stdex::mul(total, sizeof(size_t)));
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{
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stdex::stream::async_writer<70> writer(source);
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for (size_t i = 0; i < total; ++i) {
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Assert::IsTrue(writer.ok());
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writer << i;
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}
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}
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Assert::AreEqual<fpos_t>(0, source.seekbeg(0));
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{
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stdex::stream::async_reader<50> reader(source);
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size_t x;
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for (size_t i = 0; i < total; ++i) {
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reader >> x;
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Assert::IsTrue(reader.ok());
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Assert::AreEqual(i, x);
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}
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reader >> x;
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Assert::IsFalse(reader.ok());
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}
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}
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TEST_METHOD(replicator)
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{
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constexpr size_t total = 1000;
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stdex::stream::memory_file f1(stdex::mul(total, sizeof(size_t)));
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std::basic_string<stdex::sys_char> filename2, filename3;
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#ifdef _WIN32
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{
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TCHAR temp_path[MAX_PATH];
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Assert::IsTrue(ExpandEnvironmentStrings(_T("%TEMP%\\"), temp_path, _countof(temp_path)) < MAX_PATH);
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filename2 = filename3 = temp_path;
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}
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#else
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filename2 = filename3 = "/tmp/";
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#endif
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filename2 += _T("stdex-stream-replicator-2.tmp");
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stdex::stream::file f2(
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filename2.c_str(),
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stdex::stream::mode_for_reading | stdex::stream::mode_for_writing | stdex::stream::mode_create | stdex::stream::mode_binary);
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filename3 += _T("stdex-stream-replicator-3.tmp");
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stdex::stream::cached_file f3(
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filename3.c_str(),
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stdex::stream::mode_for_reading | stdex::stream::mode_for_writing | stdex::stream::mode_create | stdex::stream::mode_binary,
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128);
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{
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stdex::stream::replicator writer;
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stdex::stream::buffer f2_buf(f2, 0, 32);
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writer.push_back(&f1);
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writer.push_back(&f2_buf);
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writer.push_back(&f3);
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for (size_t i = 0; i < total; ++i) {
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Assert::IsTrue(writer.ok());
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writer << i;
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}
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}
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f1.seekbeg(0);
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f2.seekbeg(0);
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f3.seekbeg(0);
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{
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stdex::stream::buffer f2_buf(f2, 64, 0);
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size_t x;
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for (size_t i = 0; i < total; ++i) {
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f1 >> x;
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Assert::IsTrue(f1.ok());
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Assert::AreEqual(i, x);
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f2_buf >> x;
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Assert::IsTrue(f2_buf.ok());
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Assert::AreEqual(i, x);
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f3 >> x;
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Assert::IsTrue(f3.ok());
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Assert::AreEqual(i, x);
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}
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f1 >> x;
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Assert::IsFalse(f1.ok());
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f2_buf >> x;
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Assert::IsFalse(f2_buf.ok());
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f3 >> x;
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Assert::IsFalse(f3.ok());
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}
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f2.close();
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std::filesystem::remove(filename2);
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f3.close();
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std::filesystem::remove(filename3);
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}
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};
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}
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