Windows dump_syms: Add unittest for a PDB containing PDATA/XDATA

src/tools/windows/dump_syms/testdata/pdb_pdata.cc

Index: src/tools/windows/dump_syms/testdata/pdb_pdata.cc
diff --git a/src/tools/windows/dump_syms/testdata/dump_syms_regtest.cc b/src/tools/windows/dump_syms/testdata/pdb_pdata.cc
similarity index 80%
copy from src/tools/windows/dump_syms/testdata/dump_syms_regtest.cc
copy to src/tools/windows/dump_syms/testdata/pdb_pdata.cc
index e5cc5cf90e0b2ccde80a805eb36c05208ae1756b..f89af87344a95823de1ab251ebef12670bdacc03 100644
--- a/src/tools/windows/dump_syms/testdata/dump_syms_regtest.cc
+++ b/src/tools/windows/dump_syms/testdata/pdb_pdata.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2007, Google Inc.
+// Copyright (c) 2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -27,8 +27,14 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// cl /Zi dump_syms_regtest.cc /link /PROFILE
-// dump_syms dump_syms_regtest.pdb > dump_syms_regtest.sym
+// vcvarsall.bat x64
+// cl /Zi pdb_pdata.cc /Fe./pdb_pdata_in_exe.exe /link /PROFILE
+// dump_syms pdb_pdata_in_exe.pdb > pdb_pdata_in_exe.sym
+// cl /Zi pdb_pdata.cc /Fe./pdb_pdata_in_pdb.exe /link /PROFILE /debugtype:pdata
+// del pdb_pdata_in_pdb.exe
+// dump_syms pdb_pdata_in_pdb.pdb > pdb_pdata_in_pdb.sym
+// diff pdb_pdata_in_pdb.sym pdb_pdata_in_exe.sym
+// should be identical apart from debug-id
 
 namespace google_breakpad {
 
@@ -40,6 +46,7 @@ class C {
   void set_member(int value) { member_ = value; }
   int member() const { return member_; }
 
+  int e() { return member_ + g(); }
   void f() { member_ = g(); }
   virtual int g() { return 2; }
   static char* h(const C &that) { return 0; }
@@ -48,10 +55,14 @@ class C {
   int member_;
 };
 
-static int i() {
+static int j() {
   return 3;
 }
 
+static int i() {
+  return j();
+}
+
 }  // namespace google_breakpad
 
 int main(int argc, char **argv) {