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// Copyright (c) 2014 Sandstorm Development Group, Inc. and contributors
// Licensed under the MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "iostream.h"
#include <sstream>
#include <kj/compat/gtest.h>
namespace kj {
namespace std {
namespace {
TEST(StdIoStream, WriteVec) {
// Check that writing an array of arrays works even when some of the arrays
// are empty. (This used to not work in some cases.)
::std::stringstream ss;
StdInputStream in(ss);
StdOutputStream out(ss);
ArrayPtr<const byte> pieces[5] = {
arrayPtr(implicitCast<const byte*>(nullptr), 0),
arrayPtr(reinterpret_cast<const byte*>("foo"), 3),
arrayPtr(implicitCast<const byte*>(nullptr), 0),
arrayPtr(reinterpret_cast<const byte*>("bar"), 3),
arrayPtr(implicitCast<const byte*>(nullptr), 0)
};
out.write(pieces);
char buf[7];
in.read(buf, 6);
buf[6] = '\0';
EXPECT_STREQ("foobar", buf);
}
TEST(StdIoStream, TryReadToEndOfFile) {
// Check that tryRead works when eof is reached before minBytes.
::std::stringstream ss;
StdInputStream in(ss);
StdOutputStream out(ss);
const void* bytes = "foobar";
out.write(bytes, 6);
char buf[9];
in.tryRead(buf, 8, 8);
buf[6] = '\0';
EXPECT_STREQ("foobar", buf);
}
TEST(StdIoStream, ReadToEndOfFile) {
// Check that read throws an exception when eof is reached before specified
// bytes.
::std::stringstream ss;
StdInputStream in(ss);
StdOutputStream out(ss);
const void* bytes = "foobar";
out.write(bytes, 6);
char buf[9];
Maybe<Exception> e = kj::runCatchingExceptions([&]() {
in.read(buf, 8, 8);
});
buf[6] = '\0';
ASSERT_FALSE(e == nullptr);
// Ensure that the value is still read up to the EOF.
EXPECT_STREQ("foobar", buf);
}
} // namespace
} // namespace std
} // namespace kj