| // Copyright 2006 Google Inc. All Rights Reserved. |
| // Author: Satoru Takabayashi |
| // |
| // Unit tests for functions in demangle.c. |
| |
| #include <iostream> |
| #include <fstream> |
| #include <string> |
| #include "glog/logging.h" |
| #include "demangle.h" |
| #include "googletest.h" |
| #include "config.h" |
| |
| 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(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 |
| 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(); |
| } |
| } |