From cb1d9d5774b04d6acb6fc3cf27f2bab870f69fc2 Mon Sep 17 00:00:00 2001 From: "Bobby R. Bruce" Date: Tue, 8 Oct 2019 17:28:39 -0700 Subject: [PATCH] tests: Added GTests for base/atomicio.cc Change-Id: I586a06c70f4e7331b4a31208ef7831e8473509c5 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/21699 Reviewed-by: Jason Lowe-Power Maintainer: Jason Lowe-Power Tested-by: kokoro --- src/base/SConscript | 1 + src/base/atomicio.test.cc | 126 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 127 insertions(+) create mode 100644 src/base/atomicio.test.cc diff --git a/src/base/SConscript b/src/base/SConscript index 129110fef..89a8dceba 100644 --- a/src/base/SConscript +++ b/src/base/SConscript @@ -35,6 +35,7 @@ if env['CP_ANNOTATE']: Source('cp_annotate.cc') SimObject('Graphics.py') Source('atomicio.cc') +GTest('atomicio.test', 'atomicio.test.cc', 'atomicio.cc') Source('bitfield.cc') Source('imgwriter.cc') Source('bmpwriter.cc') diff --git a/src/base/atomicio.test.cc b/src/base/atomicio.test.cc new file mode 100644 index 000000000..d192ab568 --- /dev/null +++ b/src/base/atomicio.test.cc @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2019 The Regents of the University of California + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Bobby R. Bruce + */ + +#include +#include + +#include + +#include "base/atomicio.hh" + +/* + * This will test reading from a file with a buffer capable of storing the + * entirity of the file. + */ +TEST(AtomicioTest, AtomicReadBigBuffer) +{ + FILE* file; + file = tmpfile(); + + std::string file_contents = "This is just some test data to ensure that we" + " can read correctly from a file."; + + fputs(file_contents.c_str(), file); + fflush(file); + rewind(file); + + char s[1000]; + + ssize_t size = atomic_read(fileno(file), s, 1000); + fclose(file); + + EXPECT_EQ(file_contents.size(), size); + for (unsigned int i = 0; i < size; i++) { + EXPECT_EQ(file_contents[i], s[i]); + } +} + +/* + * This will test reading from a file using a buffer smaller than the file + * contents. The buffer should be filled and the remainder left unread. + */ +TEST(AtomicioTest, AtomicReadSmallBuffer) +{ + FILE* file; + file = tmpfile(); + + std::string file_contents = "This is just some test data to ensure that we" + " can read correctly from a file."; + + fputs(file_contents.c_str(), file); + fflush(file); + rewind(file); + + char s[10]; + + ssize_t size = atomic_read(fileno(file), s, 10); + fclose(file); + + EXPECT_EQ(10, size); + for (unsigned int i = 0; i < size; i++) { + EXPECT_EQ(file_contents[i], s[i]); + } +} + +/* + * This tests writing a string to a file via the atomic_write function. + */ +TEST(AtomicioTest, AtomicWrite) +{ + FILE* file; + file = tmpfile(); + + std::string file_contents = "This is just some test data to ensure that we" + " can write correctly to a file."; + + ssize_t size = atomic_write(fileno(file), + file_contents.c_str(), + file_contents.size()); + fflush(file); + rewind(file); + + EXPECT_EQ(file_contents.size(), size); + + char c; + for (unsigned int i = 0; (c = fgetc(file)) != EOF; i++) { + EXPECT_EQ(file_contents[i], c); + } + + fclose(file); +} \ No newline at end of file -- 2.30.2