First round of dead file removal

experimental/visual_studio_plugin/third_party/breakpad/common/dump_stabs_unittest.cc

-// Copyright (c) 2010 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.
-
-// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
-
-// dump_stabs_unittest.cc: Unit tests for DumpStabsHandler.
-
-#include <vector>
-
-#include "breakpad_googletest_includes.h"
-#include "common/dump_stabs.h"
-
-using google_breakpad::DumpStabsHandler;
-using google_breakpad::Module;
-using std::vector;
-
-TEST(DumpStabsHandler, SimpleCU) {
-  Module m("name", "os", "arch", "id");
-  DumpStabsHandler h(&m);
-
-  // Feed in a simple compilation unit that defines a function with
-  // one line.
-  EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0x9f4d1271e50db93bLL,
-                                     "build-directory"));
-  EXPECT_TRUE(h.StartFunction("function", 0xfde4abbed390c394LL));
-  EXPECT_TRUE(h.Line(0xfde4abbed390c394LL, "source-file-name", 174823314));
-  EXPECT_TRUE(h.EndFunction(0xfde4abbed390c3a4LL));
-  EXPECT_TRUE(h.EndCompilationUnit(0xfee4abbed390c3a4LL));
-  h.Finalize();
-
-  // Now check to see what has been added to the Module.
-  Module::File *file = m.FindExistingFile("source-file-name");
-  ASSERT_TRUE(file != NULL);
-
-  vector<Module::Function *> functions;
-  m.GetFunctions(&functions, functions.end());
-  ASSERT_EQ((size_t) 1, functions.size());
-  Module::Function *function = functions[0];
-  EXPECT_STREQ("function", function->name.c_str());
-  EXPECT_EQ(0xfde4abbed390c394LL, function->address);
-  EXPECT_EQ(0x10U, function->size);
-  EXPECT_EQ(0U, function->parameter_size);
-  ASSERT_EQ((size_t) 1, function->lines.size());
-  Module::Line *line = &function->lines[0];
-  EXPECT_EQ(0xfde4abbed390c394LL, line->address);
-  EXPECT_EQ(0x10U, line->size); // derived from EndFunction
-  EXPECT_TRUE(line->file == file);
-  EXPECT_EQ(174823314, line->number);
-}
-
-TEST(InferSizes, LineSize) {
-  Module m("name", "os", "arch", "id");
-  DumpStabsHandler h(&m);
-
-  // Feed in a simple compilation unit that defines a function with
-  // one line.
-  EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xb4513962eff94e92LL,
-                                     "build-directory"));
-  EXPECT_TRUE(h.StartFunction("function", 0xb4513962eff94e92LL));
-  EXPECT_TRUE(h.Line(0xb4513962eff94e92LL, "source-file-name-1", 77396614));
-  EXPECT_TRUE(h.Line(0xb4513963eff94e92LL, "source-file-name-2", 87660088));
-  EXPECT_TRUE(h.EndFunction(0));  // unknown function end address
-  EXPECT_TRUE(h.EndCompilationUnit(0)); // unknown CU end address
-  EXPECT_TRUE(h.StartCompilationUnit("compilation-unit-2", 0xb4523963eff94e92LL,
-                                     "build-directory-2")); // next boundary  
-  EXPECT_TRUE(h.EndCompilationUnit(0));
-  h.Finalize();
-
-  // Now check to see what has been added to the Module.
-  Module::File *file1 = m.FindExistingFile("source-file-name-1");
-  ASSERT_TRUE(file1 != NULL);
-  Module::File *file2 = m.FindExistingFile("source-file-name-2");
-  ASSERT_TRUE(file2 != NULL);
-
-  vector<Module::Function *> functions;
-  m.GetFunctions(&functions, functions.end());
-  ASSERT_EQ((size_t) 1, functions.size());
-
-  Module::Function *function = functions[0];
-  EXPECT_STREQ("function", function->name.c_str());
-  EXPECT_EQ(0xb4513962eff94e92LL, function->address);
-  EXPECT_EQ(0x1000100000000ULL, function->size); // inferred from CU end
-  EXPECT_EQ(0U, function->parameter_size);
-  ASSERT_EQ((size_t) 2, function->lines.size());
-
-  Module::Line *line1 = &function->lines[0];
-  EXPECT_EQ(0xb4513962eff94e92LL, line1->address);
-  EXPECT_EQ(0x100000000ULL, line1->size); // derived from EndFunction
-  EXPECT_TRUE(line1->file == file1);
-  EXPECT_EQ(77396614, line1->number);
-
-  Module::Line *line2 = &function->lines[1];
-  EXPECT_EQ(0xb4513963eff94e92LL, line2->address);
-  EXPECT_EQ(0x1000000000000ULL, line2->size); // derived from EndFunction
-  EXPECT_TRUE(line2->file == file2);
-  EXPECT_EQ(87660088, line2->number);
-}
-
-TEST(FunctionNames, Mangled) {
-  Module m("name", "os", "arch", "id");
-  DumpStabsHandler h(&m);
-
-  // Compilation unit with one function, mangled name.
-  EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0xf2cfda63cef7f46cLL,
-                                     "build-directory"));
-  EXPECT_TRUE(h.StartFunction("_ZNSt6vectorIySaIyEE9push_backERKy",
-                              0xf2cfda63cef7f46dLL));
-  EXPECT_TRUE(h.EndFunction(0));
-  EXPECT_TRUE(h.EndCompilationUnit(0));
-
-  h.Finalize();
-
-  // Now check to see what has been added to the Module.
-  Module::File *file = m.FindExistingFile("compilation-unit");
-  ASSERT_TRUE(file != NULL);
-
-  vector<Module::Function *> functions;
-  m.GetFunctions(&functions, functions.end());
-  ASSERT_EQ(1U, functions.size());
-
-  Module::Function *function = functions[0];
-  // This is GCC-specific, but we shouldn't be seeing STABS data anywhere
-  // but Linux.
-  EXPECT_STREQ("std::vector<unsigned long long, "
-               "std::allocator<unsigned long long> >::"
-               "push_back(unsigned long long const&)",
-               function->name.c_str());
-  EXPECT_EQ(0xf2cfda63cef7f46dLL, function->address);
-  EXPECT_LT(0U, function->size); // should have used dummy size
-  EXPECT_EQ(0U, function->parameter_size);
-  ASSERT_EQ(0U, function->lines.size());
-}
-
-// The GNU toolchain can omit functions that are not used; however,
-// when it does so, it doesn't clean up the debugging information that
-// refers to them. In STABS, this results in compilation units whose
-// SO addresses are zero.
-TEST(Omitted, Function) {
-  Module m("name", "os", "arch", "id");
-  DumpStabsHandler h(&m);
-
-  // The StartCompilationUnit and EndCompilationUnit calls may both have an
-  // address of zero if the compilation unit has had sections removed.
-  EXPECT_TRUE(h.StartCompilationUnit("compilation-unit", 0, "build-directory"));
-  EXPECT_TRUE(h.StartFunction("function", 0x2a133596));
-  EXPECT_TRUE(h.EndFunction(0));
-  EXPECT_TRUE(h.EndCompilationUnit(0));
-}
-
-// TODO --- if we actually cared about STABS. Even without these we've
-// got full coverage of non-failure source lines in dump_stabs.cc.
-
-// Line size from next line
-// Line size from function end
-// Line size from next function start
-// line size from cu end
-// line size from next cu start
-// fallback size is something plausible
-
-// function size from function end
-// function size from next function start
-// function size from cu end
-// function size from next cu start
-// fallback size is something plausible
-
-// omitting functions outside the compilation unit's address range
-// zero-line, one-line, many-line functions