mirror of
https://github.com/tstack/lnav
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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "auto_fd.hh"
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#include "line_buffer.hh"
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static const char *TEST_DATA =
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"Hello, World!\n"
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"Goodbye, World!\n";
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static void single_line(const char *data)
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{
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line_buffer lb;
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auto_fd pi[2];
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off_t off = 0;
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assert(auto_fd::pipe(pi) == 0);
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log_perror(write(pi[1], data, strlen(data)));
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pi[1].reset();
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lb.set_fd(pi[0]);
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auto load_result = lb.load_next_line({off});
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auto li = load_result.unwrap();
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assert(data[strlen(data) - 1] == '\n' || li.li_partial);
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assert(li.li_file_range.next_offset() == (off_t)strlen(data));
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assert(li.li_file_range.fr_size == strlen(data));
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auto next_load_result = lb.load_next_line(li.li_file_range);
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assert(next_load_result.isOk());
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assert(next_load_result.unwrap().li_file_range.empty());
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assert(lb.get_file_size() != -1);
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}
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int main(int argc, char *argv[])
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{
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int retval = EXIT_SUCCESS;
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single_line("Dexter Morgan");
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single_line("Rudy Morgan\n");
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{
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char fn_template[] = "test_line_buffer.XXXXXX";
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auto fd = auto_fd(mkstemp(fn_template));
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auto lb = line_buffer();
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write(fd, TEST_DATA, strlen(TEST_DATA));
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lseek(fd, SEEK_SET, 0);
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lb.set_fd(fd);
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shared_buffer_ref sbr;
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auto result = lb.read_range({0, 1024});
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assert(result.isErr());
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}
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return retval;
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}
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