| // Copyright (c) 2006, Google Inc. |
| // All rights reserved. |
| // |
| // 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 Google Inc. 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. |
| // |
| // Author: Satoru Takabayashi |
| // |
| // Unit tests for functions in demangle.c. |
| |
| #include "utilities.h" |
| |
| #include <iostream> |
| #include <fstream> |
| #include <string> |
| #include "glog/logging.h" |
| #include "demangle.h" |
| #include "googletest.h" |
| #include "config.h" |
| |
| GLOG_DEFINE_bool(demangle_filter, false, |
| "Run demangle_unittest in filter mode"); |
| |
| using namespace std; |
| using namespace GOOGLE_NAMESPACE; |
| |
| // A wrapper function for Demangle() to make the unit test simple. |
| static const char *DemangleIt(const char * const mangled) { |
| static char demangled[4096]; |
| if (Demangle(mangled, demangled, sizeof(demangled))) { |
| return demangled; |
| } else { |
| return mangled; |
| } |
| } |
| |
| // Test corner cases of bounary conditions. |
| TEST(Demangle, CornerCases) { |
| char tmp[10]; |
| EXPECT_TRUE(Demangle("_Z6foobarv", tmp, sizeof(tmp))); |
| // sizeof("foobar()") == 9 |
| EXPECT_STREQ("foobar()", tmp); |
| EXPECT_TRUE(Demangle("_Z6foobarv", tmp, 9)); |
| EXPECT_STREQ("foobar()", tmp); |
| EXPECT_FALSE(Demangle("_Z6foobarv", tmp, 8)); // Not enough. |
| EXPECT_FALSE(Demangle("_Z6foobarv", tmp, 1)); |
| EXPECT_FALSE(Demangle("_Z6foobarv", tmp, 0)); |
| EXPECT_FALSE(Demangle("_Z6foobarv", NULL, 0)); // Should not cause SEGV. |
| } |
| |
| // Test handling of functions suffixed with .clone.N, which is used by GCC |
| // 4.5.x, and .constprop.N and .isra.N, which are used by GCC 4.6.x. These |
| // suffixes are used to indicate functions which have been cloned during |
| // optimization. We ignore these suffixes. |
| TEST(Demangle, Clones) { |
| char tmp[20]; |
| EXPECT_TRUE(Demangle("_ZL3Foov", tmp, sizeof(tmp))); |
| EXPECT_STREQ("Foo()", tmp); |
| EXPECT_TRUE(Demangle("_ZL3Foov.clone.3", tmp, sizeof(tmp))); |
| EXPECT_STREQ("Foo()", tmp); |
| EXPECT_TRUE(Demangle("_ZL3Foov.constprop.80", tmp, sizeof(tmp))); |
| EXPECT_STREQ("Foo()", tmp); |
| EXPECT_TRUE(Demangle("_ZL3Foov.isra.18", tmp, sizeof(tmp))); |
| EXPECT_STREQ("Foo()", tmp); |
| EXPECT_TRUE(Demangle("_ZL3Foov.isra.2.constprop.18", tmp, sizeof(tmp))); |
| EXPECT_STREQ("Foo()", tmp); |
| // Invalid (truncated), should not demangle. |
| EXPECT_FALSE(Demangle("_ZL3Foov.clo", tmp, sizeof(tmp))); |
| // Invalid (.clone. not followed by number), should not demangle. |
| EXPECT_FALSE(Demangle("_ZL3Foov.clone.", tmp, sizeof(tmp))); |
| // Invalid (.clone. followed by non-number), should not demangle. |
| EXPECT_FALSE(Demangle("_ZL3Foov.clone.foo", tmp, sizeof(tmp))); |
| // Invalid (.constprop. not followed by number), should not demangle. |
| EXPECT_FALSE(Demangle("_ZL3Foov.isra.2.constprop.", tmp, sizeof(tmp))); |
| } |
| |
| TEST(Demangle, FromFile) { |
| string test_file = FLAGS_test_srcdir + "/src/demangle_unittest.txt"; |
| ifstream f(test_file.c_str()); // The file should exist. |
| EXPECT_FALSE(f.fail()); |
| |
| string line; |
| while (getline(f, line)) { |
| // Lines start with '#' are considered as comments. |
| if (line.empty() || line[0] == '#') { |
| continue; |
| } |
| // Each line should contain a mangled name and a demangled name |
| // separated by '\t'. Example: "_Z3foo\tfoo" |
| string::size_type tab_pos = line.find('\t'); |
| EXPECT_NE(string::npos, tab_pos); |
| string mangled = line.substr(0, tab_pos); |
| string demangled = line.substr(tab_pos + 1); |
| EXPECT_EQ(demangled, DemangleIt(mangled.c_str())); |
| } |
| } |
| |
| int main(int argc, char **argv) { |
| #ifdef HAVE_LIB_GFLAGS |
| ParseCommandLineFlags(&argc, &argv, true); |
| #endif |
| InitGoogleTest(&argc, argv); |
| |
| FLAGS_logtostderr = true; |
| InitGoogleLogging(argv[0]); |
| if (FLAGS_demangle_filter) { |
| // Read from cin and write to cout. |
| string line; |
| while (getline(cin, line, '\n')) { |
| cout << DemangleIt(line.c_str()) << endl; |
| } |
| return 0; |
| } else if (argc > 1) { |
| cout << DemangleIt(argv[1]) << endl; |
| return 0; |
| } else { |
| return RUN_ALL_TESTS(); |
| } |
| } |