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e193098543
This patch avoids unnecessary use of the <cfoo> headers in files that don't actually use the identifiers they declare in the std:: namespace. It also changes some files to better conform with the "Names and Order of Includes" rules in the Google C++ Style Guide. A=jimb R=mark git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@619 4c0a9323-5329-0410-9bdc-e9ce6186880e
399 lines
15 KiB
C++
399 lines
15 KiB
C++
// Copyright (c) 2010 Google Inc.
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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
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// module_unittest.cc: Unit tests for google_breakpad::Module.
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <algorithm>
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#include <string>
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#include "breakpad_googletest_includes.h"
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#include "common/module.h"
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using google_breakpad::Module;
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using std::string;
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using std::vector;
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using testing::ContainerEq;
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// Return a FILE * referring to a temporary file that will be deleted
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// automatically when the stream is closed or the program exits.
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FILE *checked_tmpfile() {
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FILE *f = tmpfile();
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if (!f) {
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fprintf(stderr, "error creating temporary file: %s\n", strerror(errno));
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exit(1);
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}
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return f;
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}
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// Read from STREAM until end of file, and return the contents as a
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// string.
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string checked_read(FILE *stream) {
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string contents;
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int c;
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while ((c = getc(stream)) != EOF)
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contents.push_back(c);
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if (ferror(stream)) {
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fprintf(stderr, "error reading temporary file contents: %s\n",
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strerror(errno));
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exit(1);
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}
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return contents;
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}
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// Apply 'fflush' to STREAM, and check for errors.
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void checked_fflush(FILE *stream) {
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if (fflush(stream) == EOF) {
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fprintf(stderr, "error flushing temporary file stream: %s\n",
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strerror(errno));
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exit(1);
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}
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}
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// Apply 'fclose' to STREAM, and check for errors.
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void checked_fclose(FILE *stream) {
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if (fclose(stream) == EOF) {
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fprintf(stderr, "error closing temporary file stream: %s\n",
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strerror(errno));
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exit(1);
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}
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}
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#define MODULE_NAME "name with spaces"
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#define MODULE_OS "os-name"
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#define MODULE_ARCH "architecture"
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#define MODULE_ID "id-string"
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TEST(Write, Header) {
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FILE *f = checked_tmpfile();
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n",
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contents.c_str());
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}
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TEST(Write, OneLineFunc) {
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FILE *f = checked_tmpfile();
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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Module::File *file = m.FindFile("file_name.cc");
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Module::Function *function = new(Module::Function);
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function->name = "function_name";
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function->address = 0xe165bf8023b9d9abLL;
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function->size = 0x1e4bb0eb1cbf5b09LL;
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function->parameter_size = 0x772beee89114358aLL;
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Module::Line line = { 0xe165bf8023b9d9abLL, 0x1e4bb0eb1cbf5b09LL,
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file, 67519080 };
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function->lines.push_back(line);
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m.AddFunction(function);
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
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"FILE 0 file_name.cc\n"
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"FUNC e165bf8023b9d9ab 1e4bb0eb1cbf5b09 772beee89114358a"
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" function_name\n"
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"e165bf8023b9d9ab 1e4bb0eb1cbf5b09 67519080 0\n",
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contents.c_str());
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}
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TEST(Write, RelativeLoadAddress) {
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FILE *f = checked_tmpfile();
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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// Some source files. We will expect to see them in lexicographic order.
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Module::File *file1 = m.FindFile("filename-b.cc");
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Module::File *file2 = m.FindFile("filename-a.cc");
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// A function.
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Module::Function *function = new(Module::Function);
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function->name = "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)";
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function->address = 0xbec774ea5dd935f3LL;
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function->size = 0x2922088f98d3f6fcLL;
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function->parameter_size = 0xe5e9aa008bd5f0d0LL;
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// Some source lines. The module should not sort these.
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Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL,
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file1, 41676901 };
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Module::Line line2 = { 0xdaf35bc123885c04LL, 0xcf621b8d324d0ebLL,
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file2, 67519080 };
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function->lines.push_back(line2);
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function->lines.push_back(line1);
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m.AddFunction(function);
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// Some stack information.
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Module::StackFrameEntry *entry = new Module::StackFrameEntry();
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entry->address = 0x30f9e5c83323973dULL;
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entry->size = 0x49fc9ca7c7c13dc2ULL;
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entry->initial_rules[".cfa"] = "he was a handsome man";
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entry->initial_rules["and"] = "what i want to know is";
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entry->rule_changes[0x30f9e5c83323973eULL]["how"] =
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"do you like your blueeyed boy";
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entry->rule_changes[0x30f9e5c83323973eULL]["Mister"] = "Death";
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m.AddStackFrameEntry(entry);
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// Set the load address. Doing this after adding all the data to
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// the module must work fine.
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m.SetLoadAddress(0x2ab698b0b6407073LL);
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
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"FILE 0 filename-a.cc\n"
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"FILE 1 filename-b.cc\n"
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"FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0"
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" A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n"
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"b03cc3106d47eb91 cf621b8d324d0eb 67519080 0\n"
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"9410dc39a798c580 1c2be6d6c5af2611 41676901 1\n"
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"STACK CFI INIT 6434d177ce326ca 49fc9ca7c7c13dc2"
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" .cfa: he was a handsome man"
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" and: what i want to know is\n"
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"STACK CFI 6434d177ce326cb"
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" Mister: Death"
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" how: do you like your blueeyed boy\n",
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contents.c_str());
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}
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TEST(Write, OmitUnusedFiles) {
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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// Create some source files.
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Module::File *file1 = m.FindFile("filename1");
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m.FindFile("filename2"); // not used by any line
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Module::File *file3 = m.FindFile("filename3");
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// Create a function.
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Module::Function *function = new(Module::Function);
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function->name = "function_name";
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function->address = 0x9b926d464f0b9384LL;
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function->size = 0x4f524a4ba795e6a6LL;
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function->parameter_size = 0xbbe8133a6641c9b7LL;
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// Source files that refer to some files, but not others.
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Module::Line line1 = { 0x595fa44ebacc1086LL, 0x1e1e0191b066c5b3LL,
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file1, 137850127 };
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Module::Line line2 = { 0x401ce8c8a12d25e3LL, 0x895751c41b8d2ce2LL,
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file3, 28113549 };
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function->lines.push_back(line1);
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function->lines.push_back(line2);
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m.AddFunction(function);
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m.AssignSourceIds();
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vector<Module::File *> vec;
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m.GetFiles(&vec);
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EXPECT_EQ((size_t) 3, vec.size());
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EXPECT_STREQ("filename1", vec[0]->name.c_str());
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EXPECT_NE(-1, vec[0]->source_id);
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// Expect filename2 not to be used.
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EXPECT_STREQ("filename2", vec[1]->name.c_str());
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EXPECT_EQ(-1, vec[1]->source_id);
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EXPECT_STREQ("filename3", vec[2]->name.c_str());
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EXPECT_NE(-1, vec[2]->source_id);
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FILE *f = checked_tmpfile();
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
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"FILE 0 filename1\n"
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"FILE 1 filename3\n"
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"FUNC 9b926d464f0b9384 4f524a4ba795e6a6 bbe8133a6641c9b7"
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" function_name\n"
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"595fa44ebacc1086 1e1e0191b066c5b3 137850127 0\n"
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"401ce8c8a12d25e3 895751c41b8d2ce2 28113549 1\n",
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contents.c_str());
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}
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TEST(Construct, AddFunctions) {
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FILE *f = checked_tmpfile();
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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// Two functions.
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Module::Function *function1 = new(Module::Function);
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function1->name = "_without_form";
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function1->address = 0xd35024aa7ca7da5cLL;
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function1->size = 0x200b26e605f99071LL;
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function1->parameter_size = 0xf14ac4fed48c4a99LL;
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Module::Function *function2 = new(Module::Function);
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function2->name = "_and_void";
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function2->address = 0x2987743d0b35b13fLL;
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function2->size = 0xb369db048deb3010LL;
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function2->parameter_size = 0x938e556cb5a79988LL;
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// Put them in a vector.
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vector<Module::Function *> vec;
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vec.push_back(function1);
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vec.push_back(function2);
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m.AddFunctions(vec.begin(), vec.end());
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
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"FUNC d35024aa7ca7da5c 200b26e605f99071 f14ac4fed48c4a99"
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" _without_form\n"
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"FUNC 2987743d0b35b13f b369db048deb3010 938e556cb5a79988"
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" _and_void\n",
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contents.c_str());
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// Check that m.GetFunctions returns the functions we expect.
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vec.clear();
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m.GetFunctions(&vec, vec.end());
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EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function1));
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EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function2));
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EXPECT_EQ((size_t) 2, vec.size());
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}
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TEST(Construct, AddFrames) {
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FILE *f = checked_tmpfile();
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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// First STACK CFI entry, with no initial rules or deltas.
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Module::StackFrameEntry *entry1 = new Module::StackFrameEntry();
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entry1->address = 0xddb5f41285aa7757ULL;
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entry1->size = 0x1486493370dc5073ULL;
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m.AddStackFrameEntry(entry1);
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// Second STACK CFI entry, with initial rules but no deltas.
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Module::StackFrameEntry *entry2 = new Module::StackFrameEntry();
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entry2->address = 0x8064f3af5e067e38ULL;
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entry2->size = 0x0de2a5ee55509407ULL;
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entry2->initial_rules[".cfa"] = "I think that I shall never see";
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entry2->initial_rules["stromboli"] = "a poem lovely as a tree";
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entry2->initial_rules["cannoli"] = "a tree whose hungry mouth is prest";
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m.AddStackFrameEntry(entry2);
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// Third STACK CFI entry, with initial rules and deltas.
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Module::StackFrameEntry *entry3 = new Module::StackFrameEntry();
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entry3->address = 0x5e8d0db0a7075c6cULL;
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entry3->size = 0x1c7edb12a7aea229ULL;
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entry3->initial_rules[".cfa"] = "Whose woods are these";
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entry3->rule_changes[0x47ceb0f63c269d7fULL]["calzone"] =
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"the village though";
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entry3->rule_changes[0x47ceb0f63c269d7fULL]["cannoli"] =
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"he will not see me stopping here";
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entry3->rule_changes[0x36682fad3763ffffULL]["stromboli"] =
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"his house is in";
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entry3->rule_changes[0x36682fad3763ffffULL][".cfa"] =
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"I think I know";
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m.AddStackFrameEntry(entry3);
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// Check that Write writes STACK CFI records properly.
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m.Write(f);
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checked_fflush(f);
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rewind(f);
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string contents = checked_read(f);
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checked_fclose(f);
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EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
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"STACK CFI INIT ddb5f41285aa7757 1486493370dc5073 \n"
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"STACK CFI INIT 8064f3af5e067e38 de2a5ee55509407"
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" .cfa: I think that I shall never see"
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" cannoli: a tree whose hungry mouth is prest"
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" stromboli: a poem lovely as a tree\n"
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"STACK CFI INIT 5e8d0db0a7075c6c 1c7edb12a7aea229"
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" .cfa: Whose woods are these\n"
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"STACK CFI 36682fad3763ffff"
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" .cfa: I think I know"
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" stromboli: his house is in\n"
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"STACK CFI 47ceb0f63c269d7f"
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" calzone: the village though"
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" cannoli: he will not see me stopping here\n",
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contents.c_str());
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// Check that GetStackFrameEntries works.
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vector<Module::StackFrameEntry *> entries;
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m.GetStackFrameEntries(&entries);
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ASSERT_EQ(3U, entries.size());
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// Check first entry.
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EXPECT_EQ(0xddb5f41285aa7757ULL, entries[0]->address);
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EXPECT_EQ(0x1486493370dc5073ULL, entries[0]->size);
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ASSERT_EQ(0U, entries[0]->initial_rules.size());
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ASSERT_EQ(0U, entries[0]->rule_changes.size());
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// Check second entry.
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EXPECT_EQ(0x8064f3af5e067e38ULL, entries[1]->address);
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EXPECT_EQ(0x0de2a5ee55509407ULL, entries[1]->size);
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ASSERT_EQ(3U, entries[1]->initial_rules.size());
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Module::RuleMap entry2_initial;
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entry2_initial[".cfa"] = "I think that I shall never see";
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entry2_initial["stromboli"] = "a poem lovely as a tree";
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entry2_initial["cannoli"] = "a tree whose hungry mouth is prest";
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EXPECT_THAT(entries[1]->initial_rules, ContainerEq(entry2_initial));
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ASSERT_EQ(0U, entries[1]->rule_changes.size());
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// Check third entry.
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EXPECT_EQ(0x5e8d0db0a7075c6cULL, entries[2]->address);
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EXPECT_EQ(0x1c7edb12a7aea229ULL, entries[2]->size);
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Module::RuleMap entry3_initial;
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entry3_initial[".cfa"] = "Whose woods are these";
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EXPECT_THAT(entries[2]->initial_rules, ContainerEq(entry3_initial));
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Module::RuleChangeMap entry3_changes;
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entry3_changes[0x36682fad3763ffffULL][".cfa"] = "I think I know";
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entry3_changes[0x36682fad3763ffffULL]["stromboli"] = "his house is in";
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entry3_changes[0x47ceb0f63c269d7fULL]["calzone"] = "the village though";
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entry3_changes[0x47ceb0f63c269d7fULL]["cannoli"] =
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"he will not see me stopping here";
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EXPECT_THAT(entries[2]->rule_changes, ContainerEq(entry3_changes));
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}
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TEST(Construct, UniqueFiles) {
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Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);
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Module::File *file1 = m.FindFile("foo");
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Module::File *file2 = m.FindFile(string("bar"));
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Module::File *file3 = m.FindFile(string("foo"));
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Module::File *file4 = m.FindFile("bar");
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EXPECT_NE(file1, file2);
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EXPECT_EQ(file1, file3);
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EXPECT_EQ(file2, file4);
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EXPECT_EQ(file1, m.FindExistingFile("foo"));
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EXPECT_TRUE(m.FindExistingFile("baz") == NULL);
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}
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