mirror of https://github.com/KLayout/klayout.git
591 lines
18 KiB
C++
591 lines
18 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2025 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tlStream.h"
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#include "tlUnitTest.h"
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#include "tlFileUtils.h"
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// Secret mode switchers for testing
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namespace tl
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{
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TL_PUBLIC void file_utils_force_windows ();
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TL_PUBLIC void file_utils_force_linux ();
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TL_PUBLIC void file_utils_force_reset ();
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}
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TEST(InputPipe1)
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{
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tl::InputPipe pipe ("echo HELLOWORLD");
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tl::InputStream str (pipe);
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tl::TextInputStream tstr (str);
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EXPECT_EQ (tstr.get_line (), "HELLOWORLD");
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EXPECT_EQ (pipe.wait (), 0);
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}
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TEST(InputPipe2)
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{
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tl::InputPipe pipe ("thiscommanddoesnotexistithink 2>&1");
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tl::InputStream str (pipe);
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tl::TextInputStream tstr (str);
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tstr.get_line ();
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int ret = pipe.wait ();
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tl::info << "Process exit code: " << ret;
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EXPECT_NE (ret, 0);
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}
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TEST(InputPipe3)
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{
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tl::InputStream str ("pipe:echo HELLOWORLD");
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tl::TextInputStream tstr (str);
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EXPECT_EQ (tstr.get_line (), "HELLOWORLD");
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}
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TEST(OutputPipe1)
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{
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std::string tf = tmp_file ("pipe_out");
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{
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tl::OutputPipe pipe ("cat >" + tf);
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tl::OutputStream str (pipe);
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str << "Hello, world!";
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}
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{
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tl::InputStream is (tf);
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std::string s = is.read_all ();
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EXPECT_EQ (s, "Hello, world!");
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}
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}
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TEST(TextOutputStream)
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{
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std::string fn = tmp_file ("test.txt");
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{
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tl::OutputStream os (fn, tl::OutputStream::OM_Auto, false);
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os << "Hello, world!\nWith another line\n\r\r\nseparated by a LFCR and CRLF.";
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}
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{
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tl::InputStream is (fn);
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std::string s = is.read_all ();
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EXPECT_EQ (s, "Hello, world!\nWith another line\n\r\r\nseparated by a LFCR and CRLF.");
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}
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try {
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tl::file_utils_force_linux ();
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{
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tl::rm_file (fn); // avoids trouble with wrong path delimeters and backup files
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tl::OutputStream os (fn, tl::OutputStream::OM_Auto, true);
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os << "Hello, world!\nWith another line\n\r\r\nseparated by a LFCR and CRLF.";
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}
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tl::InputStream is (fn);
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std::string s = is.read_all ();
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EXPECT_EQ (s, "Hello, world!\nWith another line\n\nseparated by a LFCR and CRLF.");
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tl::file_utils_force_reset ();
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} catch (...) {
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tl::file_utils_force_reset ();
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throw;
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}
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try {
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tl::file_utils_force_windows ();
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{
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tl::rm_file (fn); // avoids trouble with wrong path delimeters and backup files
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tl::OutputStream os (fn, tl::OutputStream::OM_Auto, true);
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os << "Hello, world!\nWith another line\n\r\r\nseparated by a LFCR and CRLF.";
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}
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tl::InputStream is (fn);
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std::string s = is.read_all ();
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EXPECT_EQ (s, "Hello, world!\r\nWith another line\r\n\r\nseparated by a LFCR and CRLF.");
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tl::file_utils_force_reset ();
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} catch (...) {
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tl::file_utils_force_reset ();
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throw;
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}
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}
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TEST(TextInputStream)
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{
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std::string fn = tmp_file ("test.txt");
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{
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tl::OutputStream os (fn, tl::OutputStream::OM_Auto, false);
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os << "Hello, world!\nWith another line\n\r\r\nseparated by a LFCR and CRLF.";
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}
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{
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tl::InputStream is (fn);
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tl::TextInputStream tis (is);
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EXPECT_EQ (tis.get_line (), "Hello, world!");
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EXPECT_EQ (tis.line_number (), size_t (1));
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EXPECT_EQ (tis.get_line (), "With another line");
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EXPECT_EQ (tis.line_number (), size_t (2));
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EXPECT_EQ (tis.peek_char (), '\n');
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EXPECT_EQ (tis.get_line (), "");
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EXPECT_EQ (tis.line_number (), size_t (3));
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EXPECT_EQ (tis.peek_char (), 's');
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EXPECT_EQ (tis.get_line (), "separated by a LFCR and CRLF.");
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EXPECT_EQ (tis.line_number (), size_t (4));
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EXPECT_EQ (tis.at_end (), true);
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}
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{
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tl::InputStream is (fn);
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tl::TextInputStream tis (is);
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EXPECT_EQ (tis.read_all (5), "Hello");
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}
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{
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tl::InputStream is (fn);
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tl::TextInputStream tis (is);
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EXPECT_EQ (tis.read_all (), "Hello, world!\nWith another line\n\nseparated by a LFCR and CRLF.");
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}
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}
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TEST(DataInputStream)
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{
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tl::InputStream is ("data:SGVsbG8sIHdvcmxkIQpXaXRoIGFub3RoZXIgbGluZQoNDQpzZXBhcmF0ZWQgYnkgYSBMRkNSIGFuZCBDUkxGLg==");
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tl::TextInputStream tis (is);
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EXPECT_EQ (tis.get_line (), "Hello, world!");
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EXPECT_EQ (tis.line_number (), size_t (1));
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EXPECT_EQ (tis.get_line (), "With another line");
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EXPECT_EQ (tis.line_number (), size_t (2));
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EXPECT_EQ (tis.peek_char (), '\n');
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EXPECT_EQ (tis.get_line (), "");
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EXPECT_EQ (tis.line_number (), size_t (3));
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EXPECT_EQ (tis.peek_char (), 's');
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EXPECT_EQ (tis.get_line (), "separated by a LFCR and CRLF.");
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EXPECT_EQ (tis.line_number (), size_t (4));
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EXPECT_EQ (tis.at_end (), true);
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}
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namespace
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{
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class BrokenOutputStream
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: public tl::OutputFile
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{
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public:
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BrokenOutputStream (const std::string &path, int keep_backups)
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: tl::OutputFile (path, keep_backups)
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{ }
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void write_file(const char *b, size_t n)
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{
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for (const char *p = b; p < b + n; ++p) {
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if (*p == '!') {
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throw tl::Exception ("Bang!");
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}
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}
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tl::OutputFile::write (b, n);
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}
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};
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}
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TEST(SafeOutput)
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{
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std::string tp = tmp_file ("x");
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{
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tl::OutputStream os (tp);
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os << "blabla\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::OutputStream os (tp);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "Hello, world!\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "Hello, world!\n");
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}
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try {
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BrokenOutputStream broken (tp, 0);
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tl::OutputStream os (broken);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "Hi!\n";
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os.flush (); // raises the exception
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EXPECT_EQ (true, false);
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} catch (...) {
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// '!' raises an exception
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}
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// The original content is restored now
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "Hello, world!\n");
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}
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try {
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BrokenOutputStream *broken = new BrokenOutputStream (tp, 0);
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tl::OutputStream os (broken);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "Hi!\n";
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os.flush (); // raises the exception
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EXPECT_EQ (true, false);
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} catch (...) {
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// '!' raises an exception
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}
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// The original content is restored now
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "Hello, world!\n");
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}
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}
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TEST(SafeOutput2)
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{
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std::string cd = tl::current_dir ();
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tl_assert (tl::chdir (tmp_file (".")));
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try {
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std::string tmp_path = "x";
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tl::rm_dir_recursive (tmp_path);
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tl::mkpath (tmp_path);
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std::string tp = tl::combine_path (tmp_path, "y");
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{
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tl::OutputStream os (tp);
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os << "blabla\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::OutputStream os (tp);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "Hello, world!\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "Hello, world!\n");
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}
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tl::chdir (cd);
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} catch (...) {
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tl::chdir (cd);
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throw;
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}
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}
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TEST(Backups)
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{
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std::string tp = tmp_file ("x");
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{
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tl::OutputStream os (tp, tl::OutputStream::OM_Auto, false, 2);
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os << "1\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp + ".1"), false);
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EXPECT_EQ (tl::file_exists (tp + ".2"), false);
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EXPECT_EQ (tl::file_exists (tp + ".3"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "1\n");
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}
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{
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tl::OutputStream os (tp, tl::OutputStream::OM_Auto, false, 2);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "2\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp + ".1"), true);
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EXPECT_EQ (tl::file_exists (tp + ".2"), false);
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EXPECT_EQ (tl::file_exists (tp + ".3"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "2\n");
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}
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{
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tl::InputStream is (tp + ".1");
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EXPECT_EQ (is.read_all (), "1\n");
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}
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{
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tl::OutputStream os (tp, tl::OutputStream::OM_Auto, false, 2);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "3\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp + ".1"), true);
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EXPECT_EQ (tl::file_exists (tp + ".2"), true);
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EXPECT_EQ (tl::file_exists (tp + ".3"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "3\n");
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}
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{
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tl::InputStream is (tp + ".1");
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EXPECT_EQ (is.read_all (), "2\n");
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}
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{
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tl::InputStream is (tp + ".2");
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EXPECT_EQ (is.read_all (), "1\n");
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}
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{
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tl::OutputStream os (tp, tl::OutputStream::OM_Auto, false, 2);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "4\n";
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp + ".1"), true);
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EXPECT_EQ (tl::file_exists (tp + ".2"), true);
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EXPECT_EQ (tl::file_exists (tp + ".3"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "4\n");
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}
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{
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tl::InputStream is (tp + ".1");
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EXPECT_EQ (is.read_all (), "3\n");
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}
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{
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tl::InputStream is (tp + ".2");
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EXPECT_EQ (is.read_all (), "2\n");
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}
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try {
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BrokenOutputStream broken (tp, 2);
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tl::OutputStream os (broken);
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), true);
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EXPECT_EQ (tl::file_exists (tp), true);
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os << "5!\n";
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os.flush (); // raises the exception
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EXPECT_EQ (true, false);
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} catch (...) {
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// '!' raises an exception
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}
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EXPECT_EQ (tl::file_exists (tp + ".~backup"), false);
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EXPECT_EQ (tl::file_exists (tp + ".1"), true);
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EXPECT_EQ (tl::file_exists (tp + ".2"), true);
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EXPECT_EQ (tl::file_exists (tp + ".3"), false);
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EXPECT_EQ (tl::file_exists (tp), true);
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{
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tl::InputStream is (tp);
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EXPECT_EQ (is.read_all (), "4\n");
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}
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{
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tl::InputStream is (tp + ".1");
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EXPECT_EQ (is.read_all (), "3\n");
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}
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{
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tl::InputStream is (tp + ".2");
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EXPECT_EQ (is.read_all (), "2\n");
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}
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}
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TEST(RefuseToWrite)
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{
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try {
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tl::OutputStream os ("");
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EXPECT_EQ (1, 0);
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} catch (tl::Exception &ex) {
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EXPECT_EQ (ex.msg (), "Path cannot be an empty string");
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}
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try {
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tl::OutputStream os (".");
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EXPECT_EQ (1, 0);
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} catch (tl::Exception &ex) {
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EXPECT_EQ (ex.msg ().find ("Path exists and is a directory"), size_t (0));
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}
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}
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TEST(AbstractPathFunctions)
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{
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EXPECT_EQ (tl::InputStream::absolute_file_path (""), tl::absolute_file_path ("."));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("."), tl::absolute_file_path ("."));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("pipe:xyz"), "pipe:xyz");
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EXPECT_EQ (tl::InputStream::absolute_file_path ("data:xyz"), "data:xyz");
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EXPECT_EQ (tl::InputStream::absolute_file_path ("https:xyz"), "https:xyz");
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EXPECT_EQ (tl::InputStream::absolute_file_path ("http:xyz"), "http:xyz");
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EXPECT_EQ (tl::InputStream::absolute_file_path (":xyz"), ":xyz");
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EXPECT_EQ (tl::InputStream::absolute_file_path ("file:xyz"), tl::absolute_file_path ("xyz"));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("xyz"), tl::absolute_file_path ("xyz"));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("xyz/uvw"), tl::absolute_file_path ("xyz/uvw"));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("/xyz/uvw"), tl::absolute_file_path ("/xyz/uvw"));
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tl::file_utils_force_windows ();
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EXPECT_EQ (tl::InputStream::absolute_file_path ("xyz\\uvw"), tl::absolute_file_path ("xyz\\uvw"));
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EXPECT_EQ (tl::InputStream::absolute_file_path ("\\\\server\\xyz\\uvw"), "\\\\server\\xyz\\uvw");
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EXPECT_EQ (tl::InputStream::absolute_file_path ("C:\\xyz\\uvw"), "C:\\xyz\\uvw");
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tl::file_utils_force_reset ();
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EXPECT_EQ (tl::InputStream::is_absolute (""), false);
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EXPECT_EQ (tl::InputStream::is_absolute ("."), false);
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EXPECT_EQ (tl::InputStream::is_absolute ("pipe:xyz"), true);
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EXPECT_EQ (tl::InputStream::is_absolute ("data:xyz"), true);
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EXPECT_EQ (tl::InputStream::is_absolute ("https:xyz"), true);
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EXPECT_EQ (tl::InputStream::is_absolute ("http:xyz"), true);
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EXPECT_EQ (tl::InputStream::is_absolute (":xyz"), true);
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EXPECT_EQ (tl::InputStream::is_absolute ("file:xyz"), false);
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EXPECT_EQ (tl::InputStream::is_absolute ("xyz"), false);
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EXPECT_EQ (tl::InputStream::is_absolute ("xyz/uvw"), false);
|
|
tl::file_utils_force_linux ();
|
|
EXPECT_EQ (tl::InputStream::is_absolute ("/xyz/uvw"), true);
|
|
tl::file_utils_force_windows ();
|
|
EXPECT_EQ (tl::InputStream::is_absolute ("xyz\\uvw"), false);
|
|
EXPECT_EQ (tl::InputStream::is_absolute ("\\\\server\\xyz\\uvw"), true);
|
|
EXPECT_EQ (tl::InputStream::is_absolute ("c:\\xyz\\uvw"), true);
|
|
tl::file_utils_force_reset ();
|
|
|
|
tl::file_utils_force_windows ();
|
|
EXPECT_EQ (tl::InputStream::combine ("a", ""), "a");
|
|
EXPECT_EQ (tl::InputStream::combine ("", "b"), "\\b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "b"), "a\\b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "b/c"), "a\\b/c");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "b\\c"), "a\\b\\c");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "data:abc"), "data:abc");
|
|
EXPECT_EQ (tl::InputStream::combine ("data:a", "b"), "b");
|
|
EXPECT_EQ (tl::InputStream::combine ("pipe:a", "b"), "b");
|
|
EXPECT_EQ (tl::InputStream::combine (":a", "b"), ":a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("https://a", "b"), "https://a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("https://a", "https:b"), "https:b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "https:b"), "https:b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "file:b"), "a\\b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "file:\\b"), "file:\\b");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "file:b"), "file:a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "file:b/c"), "file:a/b/c");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "b\\c"), "file:a/b/c");
|
|
tl::file_utils_force_linux ();
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "b"), "a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("", "b"), "/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "b/c"), "a/b/c");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "data:abc"), "data:abc");
|
|
EXPECT_EQ (tl::InputStream::combine ("data:a", "b"), "b");
|
|
EXPECT_EQ (tl::InputStream::combine ("pipe:a", "b"), "b");
|
|
EXPECT_EQ (tl::InputStream::combine (":a", "b"), ":a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("https://a", "b"), "https://a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("https://a", "https:b"), "https:b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "https:b"), "https:b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "file:b"), "a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("a", "file:/b"), "file:/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "file:b"), "file:a/b");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "file:b/c"), "file:a/b/c");
|
|
EXPECT_EQ (tl::InputStream::combine ("file:a", "b/c"), "file:a/b/c");
|
|
tl::file_utils_force_reset ();
|
|
|
|
tl::file_utils_force_linux ();
|
|
EXPECT_EQ (tl::InputStream::relative_path ("", "file:/a/b/c"), "/a/b/c");
|
|
EXPECT_EQ (tl::InputStream::relative_path (".", "file:/a/b/c"), "/a/b/c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("https://x", "a/b/c"), "a/b/c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("file:/a/b", "file:/a/b/c"), "c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("/a/b", "/a/b/c"), "c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("/a/b", "/x/b/c"), "/x/b/c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("file:/a/b", "file:/a/b/c"), "c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("/a/b", "/a/b/c"), "c");
|
|
tl::file_utils_force_windows ();
|
|
EXPECT_EQ (tl::InputStream::relative_path ("/a/b", "/a/b/c"), "c");
|
|
EXPECT_EQ (tl::InputStream::relative_path ("/a/b", "\\a\\b\\c\\d"), "c\\d");
|
|
tl::file_utils_force_reset ();
|
|
|
|
EXPECT_EQ (tl::InputStream::is_file_path (""), true);
|
|
EXPECT_EQ (tl::InputStream::is_file_path (":abc"), false);
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("pipe:abc"), false);
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("data:abc"), false);
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("http:abc"), false);
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("file:abc"), true);
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("a/b/c"), true);
|
|
tl::file_utils_force_windows ();
|
|
EXPECT_EQ (tl::InputStream::is_file_path ("a\\b\\c"), true);
|
|
tl::file_utils_force_reset ();
|
|
|
|
EXPECT_EQ (tl::InputStream::as_file_path (""), std::string ());
|
|
EXPECT_EQ (tl::InputStream::as_file_path (":abc"), std::string ());
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("pipe:abc"), std::string ());
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("data:abc"), std::string ());
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("http:abc"), std::string ());
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("file:abc"), "abc");
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("a/b/c"), "a/b/c");
|
|
tl::file_utils_force_windows ();
|
|
EXPECT_EQ (tl::InputStream::as_file_path ("a\\b\\c"), "a\\b\\c");
|
|
tl::file_utils_force_reset ();
|
|
}
|