1 files changed, 611 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/stabs_reader_unittest.cc b/3rdParty/Breakpad/src/common/stabs_reader_unittest.cc
new file mode 100644
index 0000000..a84da1c
--- /dev/null
+++ b/3rdParty/Breakpad/src/common/stabs_reader_unittest.cc
@@ -0,0 +1,611 @@
+// 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>
+
+// stabs_reader_unittest.cc: Unit tests for google_breakpad::StabsReader.
+
+#include <assert.h>
+#include <errno.h>
+#include <stab.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <map>
+#include <sstream>
+#include <string>
+
+#include "breakpad_googletest_includes.h"
+#include "common/stabs_reader.h"
+#include "common/test_assembler.h"
+#include "common/using_std_string.h"
+
+using ::testing::Eq;
+using ::testing::InSequence;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::Test;
+using ::testing::_;
+using google_breakpad::StabsHandler;
+using google_breakpad::StabsReader;
+using google_breakpad::test_assembler::Label;
+using google_breakpad::test_assembler::Section;
+using google_breakpad::test_assembler::kBigEndian;
+using google_breakpad::test_assembler::kLittleEndian;
+using std::map;
+
+namespace {
+
+// A StringAssembler is a class for generating .stabstr sections to present
+// as input to the STABS parser.
+class StringAssembler: public Section {
+ public:
+  StringAssembler() : in_cu_(false) { StartCU(); }
+
+  // Add the string S to this StringAssembler, and return the string's
+  // offset within this compilation unit's strings. If S has been added
+  // already, this returns the offset of its first instance.
+  size_t Add(const string &s) {
+    map<string, size_t>::iterator it = added_.find(s);
+    if (it != added_.end())
+      return it->second;
+    size_t offset = Size() - cu_start_;
+    AppendCString(s);
+    added_[s] = offset;
+    return offset;
+  }
+
+  // Start a fresh compilation unit string collection.
+  void StartCU() {
+    // Ignore duplicate calls to StartCU. Our test data don't always call
+    // StartCU at all, meaning that our constructor has to take care of it,
+    // meaning that tests that *do* call StartCU call it twice at the
+    // beginning.  This is not worth smoothing out.
+    if (in_cu_) return;
+
+    added_.clear();
+    cu_start_ = Size();
+
+    // Each compilation unit's strings start with an empty string.
+    AppendCString("");
+    added_[""] = 0;
+
+    in_cu_ = true;
+  }
+
+  // Finish off the current CU's strings.
+  size_t EndCU() {
+    assert(in_cu_);
+    in_cu_ = false;
+    return Size() - cu_start_;
+  }
+
+ private:
+  // The offset of the start of this compilation unit's strings.
+  size_t cu_start_;
+
+  // True if we're in a CU.
+  bool in_cu_;
+
+  // A map from the strings that have been added to this section to
+  // their starting indices within their compilation unit.
+  map<string, size_t> added_;
+};
+
+// A StabsAssembler is a class for generating .stab sections to present as
+// test input for the STABS parser.
+class StabsAssembler: public Section {
+ public:
+  // Create a StabsAssembler that uses StringAssembler for its strings.
+  StabsAssembler(StringAssembler *string_assembler)
+      : Section(string_assembler->endianness()),
+        string_assembler_(string_assembler),
+        value_size_(0),
+        entry_count_(0),
+        cu_header_(NULL) { }
+  ~StabsAssembler() { assert(!cu_header_); }
+
+  // Accessor and setter for value_size_.
+  size_t value_size() const { return value_size_; }
+  StabsAssembler &set_value_size(size_t value_size) {
+    value_size_ = value_size;
+    return *this;
+  }
+
+  // Append a STAB entry to the end of this section with the given
+  // characteristics. NAME is the offset of this entry's name string within
+  // its compilation unit's portion of the .stabstr section; this can be a
+  // value generated by a StringAssembler. Return a reference to this
+  // StabsAssembler.
+  StabsAssembler &Stab(uint8_t type, uint8_t other, Label descriptor,
+                       Label value, Label name) {
+    D32(name);
+    D8(type);
+    D8(other);
+    D16(descriptor);
+    Append(endianness(), value_size_, value);
+    entry_count_++;
+    return *this;
+  }
+
+  // As above, but automatically add NAME to our StringAssembler.
+  StabsAssembler &Stab(uint8_t type, uint8_t other, Label descriptor,
+                       Label value, const string &name) {
+    return Stab(type, other, descriptor, value, string_assembler_->Add(name));
+  }
+
+  // Start a compilation unit named NAME, with an N_UNDF symbol to start
+  // it, and its own portion of the string section. Return a reference to
+  // this StabsAssembler.
+  StabsAssembler &StartCU(const string &name) {
+    assert(!cu_header_);
+    cu_header_ = new CUHeader;
+    string_assembler_->StartCU();
+    entry_count_ = 0;
+    return Stab(N_UNDF, 0,
+                cu_header_->final_entry_count,
+                cu_header_->final_string_size,
+                string_assembler_->Add(name));
+  }
+
+  // Close off the current compilation unit. Return a reference to this
+  // StabsAssembler.
+  StabsAssembler &EndCU() {
+    assert(cu_header_);
+    cu_header_->final_entry_count = entry_count_;
+    cu_header_->final_string_size = string_assembler_->EndCU();
+    delete cu_header_;
+    cu_header_ = NULL;
+    return *this;
+  }
+
+ private:
+  // Data used in a compilation unit header STAB that we won't know until
+  // we've finished the compilation unit.
+  struct CUHeader {
+    // The final number of entries this compilation unit will hold.
+    Label final_entry_count;
+
+    // The final size of this compilation unit's strings.
+    Label final_string_size;
+  };
+
+  // The strings for our STABS entries.
+  StringAssembler *string_assembler_;
+
+  // The size of the 'value' field of stabs entries in this section.
+  size_t value_size_;
+
+  // The number of entries in this compilation unit so far.
+  size_t entry_count_;
+
+  // Header labels for this compilation unit, if we've started one but not
+  // finished it.
+  CUHeader *cu_header_;
+};
+
+class MockStabsReaderHandler: public StabsHandler {
+ public:
+  MOCK_METHOD3(StartCompilationUnit,
+               bool(const char *, uint64_t, const char *));
+  MOCK_METHOD1(EndCompilationUnit, bool(uint64_t));
+  MOCK_METHOD2(StartFunction, bool(const string &, uint64_t));
+  MOCK_METHOD1(EndFunction, bool(uint64_t));
+  MOCK_METHOD3(Line, bool(uint64_t, const char *, int));
+  MOCK_METHOD2(Extern, bool(const string &, uint64_t));
+  void Warning(const char *format, ...) { MockWarning(format); }
+  MOCK_METHOD1(MockWarning, void(const char *));
+};
+
+struct StabsFixture {
+  StabsFixture() : stabs(&strings), unitized(true) { }
+
+  // Create a StabsReader to parse the mock stabs data in stabs and
+  // strings, and pass the parsed information to mock_handler. Use the
+  // endianness and value size of stabs to parse the data. If all goes
+  // well, return the result of calling the reader's Process member
+  // function. Otherwise, return false.
+  bool ApplyHandlerToMockStabsData() {
+    string stabs_contents, stabstr_contents;
+    if (!stabs.GetContents(&stabs_contents) ||
+        !strings.GetContents(&stabstr_contents))
+      return false;
+
+    // Run the parser on the test input, passing whatever we find to HANDLER.
+    StabsReader reader(
+        reinterpret_cast<const uint8_t *>(stabs_contents.data()),
+        stabs_contents.size(),
+        reinterpret_cast<const uint8_t *>(stabstr_contents.data()),
+        stabstr_contents.size(),
+        stabs.endianness() == kBigEndian, stabs.value_size(), unitized,
+        &mock_handler);
+    return reader.Process();
+  }
+
+  StringAssembler strings;
+  StabsAssembler stabs;
+  bool unitized;
+  MockStabsReaderHandler mock_handler;
+};
+
+class Stabs: public StabsFixture, public Test { };
+
+TEST_F(Stabs, MockStabsInput) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(4);
+  stabs
+      .Stab(N_SO,      149, 40232, 0x18a2a72bU, "builddir/")
+      .Stab(N_FUN,      83, 50010, 0x91a5353fU,
+            "not the SO with source file name we expected ")
+      .Stab(N_SO,      165, 24791, 0xfe69d23cU, "")
+      .Stab(N_SO,      184, 34178, 0xca4d883aU, "builddir1/")
+      .Stab(N_SO,       83, 40859, 0xd2fe5df3U, "file1.c")
+      .Stab(N_LSYM,    147, 39565, 0x60d4bb8aU, "not the FUN we're looking for")
+      .Stab(N_FUN,     120, 50271, 0xa049f4b1U, "fun1")
+      .Stab(N_BINCL,   150, 15694, 0xef65c659U,
+            "something to ignore in a FUN body")
+      .Stab(N_SLINE,   147,  4967, 0xd904b3f, "")
+      .Stab(N_SOL,     177, 56135, 0xbd97b1dcU, "header.h")
+      .Stab(N_SLINE,   130, 24610, 0x90f145b, "")
+      .Stab(N_FUN,      45, 32441, 0xbf27cf93U,
+            "fun2:some stabs type info here:to trim from the name")
+      .Stab(N_SLINE,   138, 39002, 0x8148b87, "")
+      .Stab(N_SOL,      60, 49318, 0x1d06e025U, "file1.c")
+      .Stab(N_SLINE,    29, 52163, 0x6eebbb7, "")
+      .Stab(N_SO,      167,  4647, 0xd04b7448U, "")
+      .Stab(N_LSYM,     58, 37837, 0xe6b14d37U, "")
+      .Stab(N_SO,      152,  7810, 0x11759f10U, "file3.c")
+      .Stab(N_SO,      218, 12447, 0x11cfe4b5U, "");
+
+  {
+    InSequence s;
+
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("file1.c"), 0xd2fe5df3U,
+                                     StrEq("builddir1/")))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartFunction(StrEq("fun1"), 0xa049f4b1U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0xa049f4b1U + 0xd904b3f, StrEq("file1.c"), 4967))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0xa049f4b1U + 0x90f145b, StrEq("header.h"), 24610))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xbf27cf93U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartFunction(StrEq("fun2"), 0xbf27cf93U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0xbf27cf93U + 0x8148b87, StrEq("header.h"), 39002))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0xbf27cf93U + 0x6eebbb7, StrEq("file1.c"), 52163))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xd04b7448U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0xd04b7448U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartCompilationUnit(StrEq("file3.c"),
+                                                   0x11759f10U, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0x11cfe4b5U))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, AbruptCU) {
+  stabs.set_endianness(kBigEndian);
+  stabs.set_value_size(4);
+  stabs.Stab(N_SO, 177, 23446, 0xbf10d5e4, "file2-1.c");
+
+  {
+    InSequence s;
+
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("file2-1.c"), 0xbf10d5e4, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, AbruptFunction) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(8);
+  stabs
+      .Stab(N_SO,      218,   26631,   0xb83ddf10U, "file3-1.c")
+      .Stab(N_FUN,     113,   24765,   0xbbd4a145U, "fun3_1");
+
+  {
+    InSequence s;
+
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("file3-1.c"), 0xb83ddf10U, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartFunction(StrEq("fun3_1"), 0xbbd4a145U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, NoCU) {
+  stabs.set_endianness(kBigEndian);
+  stabs.set_value_size(8);
+  stabs.Stab(N_SO, 161, 25673, 0x8f676e7bU, "build-directory/");
+
+  EXPECT_CALL(mock_handler, StartCompilationUnit(_, _, _))
+      .Times(0);
+  EXPECT_CALL(mock_handler, StartFunction(_, _))
+      .Times(0);
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, NoCUEnd) {
+  stabs.set_endianness(kBigEndian);
+  stabs.set_value_size(8);
+  stabs
+      .Stab(N_SO,      116,   58280,   0x2f7493c9U, "file5-1.c")
+      .Stab(N_SO,      224,   23057,   0xf9f1d50fU, "file5-2.c");
+
+  {
+    InSequence s;
+
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("file5-1.c"), 0x2f7493c9U, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("file5-2.c"), 0xf9f1d50fU, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+// On systems that store STABS in sections, string offsets are relative to
+// the beginning of that compilation unit's strings, marked with N_UNDF
+// symbols; see the comments for StabsReader::StabsReader.
+TEST_F(Stabs, Unitized) {
+  stabs.set_endianness(kBigEndian);
+  stabs.set_value_size(4);
+  stabs
+      .StartCU("antimony")
+      .Stab(N_SO,   49, 26043, 0x7e259f1aU, "antimony")
+      .Stab(N_FUN, 101, 63253, 0x7fbcccaeU, "arsenic")
+      .Stab(N_SO,  124, 37175, 0x80b0014cU, "")
+      .EndCU()
+      .StartCU("aluminum")
+      .Stab(N_SO,   72, 23084, 0x86756839U, "aluminum")
+      .Stab(N_FUN,  59,  3305, 0xa8e120b0U, "selenium")
+      .Stab(N_SO,  178, 56949, 0xbffff983U, "")
+      .EndCU();
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("antimony"), 0x7e259f1aU, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartFunction(Eq("arsenic"), 0x7fbcccaeU))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0x80b0014cU))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0x80b0014cU))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("aluminum"), 0x86756839U, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, StartFunction(Eq("selenium"), 0xa8e120b0U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xbffff983U))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0xbffff983U))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+// On systems that store STABS entries in the real symbol table, the N_UNDF
+// entries have no special meaning, and shouldn't mess up the string
+// indices.
+TEST_F(Stabs, NonUnitized) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(4);
+  unitized = false;
+  stabs
+      .Stab(N_UNDF,    21, 11551, 0x9bad2b2e, "")
+      .Stab(N_UNDF,    21, 11551, 0x9bad2b2e, "")
+      .Stab(N_SO,      71, 45139, 0x11a97352, "Tanzania")
+      .Stab(N_SO,     221, 41976, 0x21a97352, "");
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("Tanzania"),
+                                     0x11a97352, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0x21a97352))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, FunctionEnd) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(8);
+  stabs
+      .Stab(N_SO,    102, 62362, 0x52a830d644cd6942ULL, "compilation unit")
+      // This function is terminated by the start of the next function.
+      .Stab(N_FUN,   216, 38405, 0xbb5ab70ecdd23bfeULL, "function 1")
+      // This function is terminated by an explicit end-of-function stab,
+      // whose value is a size in bytes.
+      .Stab(N_FUN,   240, 10973, 0xc954de9b8fb3e5e2ULL, "function 2")
+      .Stab(N_FUN,    14, 36749, 0xc1ab,     "")
+      // This function is terminated by the end of the compilation unit.
+      .Stab(N_FUN,   143, 64514, 0xdff98c9a35386e1fULL, "function 3")
+      .Stab(N_SO,    164, 60142, 0xfdacb856e78bbf57ULL, "");
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("compilation unit"),
+                                     0x52a830d644cd6942ULL, NULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartFunction(Eq("function 1"), 0xbb5ab70ecdd23bfeULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xc954de9b8fb3e5e2ULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartFunction(Eq("function 2"), 0xc954de9b8fb3e5e2ULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xc954de9b8fb3e5e2ULL + 0xc1ab))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartFunction(Eq("function 3"), 0xdff98c9a35386e1fULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xfdacb856e78bbf57ULL))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0xfdacb856e78bbf57ULL))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+// On Mac OS X, SLINE records can appear before the FUN stab to which they
+// belong, and their values are absolute addresses, not offsets.
+TEST_F(Stabs, LeadingLine) {
+  stabs.set_endianness(kBigEndian);
+  stabs.set_value_size(4);
+  stabs
+      .Stab(N_SO,    179, 27357, 0x8adabc15, "build directory/")
+      .Stab(N_SO,     52, 53058, 0x4c7e3bf4, "compilation unit")
+      .Stab(N_SOL,   165, 12086, 0x6a797ca3, "source file name")
+      .Stab(N_SLINE, 229, 20015, 0x4cb3d7e0, "")
+      .Stab(N_SLINE,  89, 43802, 0x4cba8b88, "")
+      .Stab(N_FUN,   251, 51639, 0xce1b98fa, "rutabaga")
+      .Stab(N_FUN,   218, 16113, 0x5798,     "")
+      .Stab(N_SO,     52, 53058, 0xd4af4415, "");
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                StartCompilationUnit(StrEq("compilation unit"),
+                                     0x4c7e3bf4, StrEq("build directory/")))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                StartFunction(Eq("rutabaga"), 0xce1b98fa))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0x4cb3d7e0, StrEq("source file name"), 20015))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Line(0x4cba8b88, StrEq("source file name"), 43802))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndFunction(0xce1b98fa + 0x5798))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler, EndCompilationUnit(0xd4af4415))
+        .WillOnce(Return(true));
+  }
+
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+
+#if defined(HAVE_MACH_O_NLIST_H)
+// These tests have no meaning on non-Mach-O-based systems, as
+// only Mach-O uses N_SECT to represent public symbols.
+TEST_F(Stabs, OnePublicSymbol) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(4);
+
+  const uint32_t kExpectedAddress = 0x9000;
+  const string kExpectedFunctionName("public_function");
+  stabs
+    .Stab(N_SECT, 1, 0, kExpectedAddress, kExpectedFunctionName);
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                Extern(StrEq(kExpectedFunctionName),
+                       kExpectedAddress))
+        .WillOnce(Return(true));
+  }
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+TEST_F(Stabs, TwoPublicSymbols) {
+  stabs.set_endianness(kLittleEndian);
+  stabs.set_value_size(4);
+
+  const uint32_t kExpectedAddress1 = 0xB0B0B0B0;
+  const string kExpectedFunctionName1("public_function");
+  const uint32_t kExpectedAddress2 = 0xF0F0F0F0;
+  const string kExpectedFunctionName2("something else");
+  stabs
+    .Stab(N_SECT, 1, 0, kExpectedAddress1, kExpectedFunctionName1)
+    .Stab(N_SECT, 1, 0, kExpectedAddress2, kExpectedFunctionName2);
+
+  {
+    InSequence s;
+    EXPECT_CALL(mock_handler,
+                Extern(StrEq(kExpectedFunctionName1),
+                       kExpectedAddress1))
+        .WillOnce(Return(true));
+    EXPECT_CALL(mock_handler,
+                Extern(StrEq(kExpectedFunctionName2),
+                       kExpectedAddress2))
+        .WillOnce(Return(true));
+  }
+  ASSERT_TRUE(ApplyHandlerToMockStabsData());
+}
+
+#endif
+
+} // anonymous namespace