gyptest-link-large-pdb.py

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#!/usr/bin/env python

# Copyright (c) 2013 Google Inc. All rights reserved.

# Use of this source code is governed by a BSD-style license that can be

# found in the LICENSE file.

"""

Make sure msvs_large_pdb works correctly.

"""

from __future__ import print_function

import TestGyp

import struct

import sys

if sys.platform == 'win32':

  print("This test is currently disabled: https://crbug.com/483696.")

  sys.exit(0)

CHDIR = 'large-pdb'

def CheckImageAndPdb(test, image_basename, expected_page_size,

                     pdb_basename=None):

  if not pdb_basename:

    pdb_basename = image_basename + '.pdb'

  test.built_file_must_exist(image_basename, chdir=CHDIR)

  test.built_file_must_exist(pdb_basename, chdir=CHDIR)

  # We expect the PDB to have the given page size. For full details of the

  # header look here: https://code.google.com/p/pdbparser/wiki/MSF_Format

  # We read the little-endian 4-byte unsigned integer at position 32 of the

  # file.

  pdb_path = test.built_file_path(pdb_basename, chdir=CHDIR)

  pdb_file = open(pdb_path, 'rb')

  pdb_file.seek(32, 0)

  page_size = struct.unpack('<I', pdb_file.read(4))[0]

  if page_size != expected_page_size:

    print("Expected page size of %d, got %d for PDB file `%s'." % (

        expected_page_size, page_size, pdb_path))

if sys.platform == 'win32':

  test = TestGyp.TestGyp(formats=['msvs', 'ninja'])

  test.run_gyp('large-pdb.gyp', chdir=CHDIR)

  test.build('large-pdb.gyp', 'large_pdb_exe', chdir=CHDIR)

  CheckImageAndPdb(test, 'large_pdb_exe.exe', 4096)

  test.build('large-pdb.gyp', 'small_pdb_exe', chdir=CHDIR)

  CheckImageAndPdb(test, 'small_pdb_exe.exe', 1024)

  test.build('large-pdb.gyp', 'large_pdb_dll', chdir=CHDIR)

  CheckImageAndPdb(test, 'large_pdb_dll.dll', 4096)

  test.build('large-pdb.gyp', 'small_pdb_dll', chdir=CHDIR)

  CheckImageAndPdb(test, 'small_pdb_dll.dll', 1024)

  test.build('large-pdb.gyp', 'large_pdb_implicit_exe', chdir=CHDIR)

  CheckImageAndPdb(test, 'large_pdb_implicit_exe.exe', 4096)

  # This target has a different PDB name because it uses an

  # 'msvs_large_pdb_path' variable.

  test.build('large-pdb.gyp', 'large_pdb_variable_exe', chdir=CHDIR)

  CheckImageAndPdb(test, 'large_pdb_variable_exe.exe', 4096,

                   pdb_basename='foo.pdb')

  # This target has a different output name because it uses 'product_name'.

  test.build('large-pdb.gyp', 'large_pdb_product_exe', chdir=CHDIR)

  CheckImageAndPdb(test, 'bar.exe', 4096)

  test.pass_test()