Merge to XFA: Run javascript/pixel tests via automated script.

This pulls in:
7435e8e Run pixel tests via automated script.
83c87e5 run_javascript_tests.py: Be more flexible about directory layout.
5898509 Test top-level Document JS properties.
9f93baf Create run_javascript_tests.py

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/923293002

9 files changed, 460 insertions, 160 deletions

diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
index 4f6e832e0c..10515946b3 100644
--- a/samples/pdfium_test.cc
+++ b/samples/pdfium_test.cc
@@ -262,8 +262,8 @@ void WriteEmf(FPDF_PAGE page, const char* pdf_name, int num) {
 }
 #endif
 
-int Form_Alert(IPDF_JSPLATFORM*, FPDF_WIDESTRING msg, FPDF_WIDESTRING,
-               int, int) {
+int ExampleAppAlert(IPDF_JSPLATFORM*, FPDF_WIDESTRING msg, FPDF_WIDESTRING,
+                    int, int) {
   // Deal with differences between UTF16LE and wchar_t on this platform.
   size_t characters = 0;
   while (msg[characters]) {
@@ -280,7 +280,11 @@ int Form_Alert(IPDF_JSPLATFORM*, FPDF_WIDESTRING msg, FPDF_WIDESTRING,
   return 0;
 }
 
-void Unsupported_Handler(UNSUPPORT_INFO*, int type) {
+void ExampleDocGotoPage(IPDF_JSPLATFORM*, int pageNumber) {
+  printf("Goto Page: %d\n", pageNumber);
+}
+
+void ExampleUnsupportedHandler(UNSUPPORT_INFO*, int type) {
   std::string feature = "Unknown";
   switch (type) {
     case FPDF_UNSP_DOC_XFAFORM:
@@ -425,7 +429,8 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len,
   IPDF_JSPLATFORM platform_callbacks;
   memset(&platform_callbacks, '\0', sizeof(platform_callbacks));
   platform_callbacks.version = 1;
-  platform_callbacks.app_alert = Form_Alert;
+  platform_callbacks.app_alert = ExampleAppAlert;
+  platform_callbacks.Doc_gotoPage = ExampleDocGotoPage;
 
   FPDF_FORMFILLINFO form_callbacks;
   memset(&form_callbacks, '\0', sizeof(form_callbacks));
@@ -468,7 +473,7 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len,
 
   FPDF_FORMHANDLE form = FPDFDOC_InitFormFillEnvironment(doc, &form_callbacks);
   if (!FPDF_LoadXFA(doc)) {
-    printf("LoadXFA unsuccessful, continuing anyway.\n");
+    fprintf(stderr, "LoadXFA unsuccessful, continuing anyway.\n");
   }
   FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD);
   FPDF_SetFormFieldHighlightAlpha(form, 100);
@@ -595,7 +600,7 @@ int main(int argc, const char* argv[]) {
   UNSUPPORT_INFO unsuppored_info;
   memset(&unsuppored_info, '\0', sizeof(unsuppored_info));
   unsuppored_info.version = 1;
-  unsuppored_info.FSDK_UnSupport_Handler = Unsupported_Handler;
+  unsuppored_info.FSDK_UnSupport_Handler = ExampleUnsupportedHandler;
 
   FSDK_SetUnSpObjProcessHandler(&unsuppored_info);
 
diff --git a/testing/resources/javascript/app_alert.pdf b/testing/resources/javascript/app_alert.pdf
deleted file mode 100644
index 091992cbd7..0000000000
--- a/testing/resources/javascript/app_alert.pdf
+++ /dev/null
@@ -1,60 +0,0 @@
-%PDF-1.7
-% ò¤ô
-1 0 obj <<
-  /Type /Catalog
-  /Pages 2 0 R
-  /OpenAction 10 0 R
->>
-endobj
-2 0 obj <<
-  /Type /Pages
-  /Count 1
-  /Kids [
-    3 0 R
-  ]
->>
-endobj
-% Page number 0.
-3 0 obj <<
-  /Type /Page
-  /Parent 2 0 R
-  /Resources <<
-    /Font <</F1 15 0 R>>
-  >>
-  /Contents [21 0 R]
-  /MediaBox [0 0 612 792]
->>
-% OpenAction action
-10 0 obj <<
-  /Type /Action
-  /S /JavaScript
-  /JS 11 0 R
->>
-endobj
-% JS program to exexute
-11 0 obj <<
->>
-stream
-app.alert("This test passes if alert() logs output under the test utiltiy.");
-endstream
-endobj
-xref
-0 12
-0000000000 65535 f 
-0000000015 00000 n 
-0000000089 00000 n 
-0000000177 00000 n 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000334 00000 n 
-0000000426 00000 n 
-trailer <<
-  /Root 1 0 R
->>
-startxref
-543
-%%EOF
diff --git a/testing/resources/javascript/consts.pdf b/testing/resources/javascript/consts.pdf
deleted file mode 100644
index 0e436e5bab..0000000000
--- a/testing/resources/javascript/consts.pdf
+++ /dev/null
@@ -1,86 +0,0 @@
-%PDF-1.7
-% ò¤ô
-1 0 obj <<
-  /Type /Catalog
-  /Pages 2 0 R
-  /OpenAction 10 0 R
->>
-endobj
-2 0 obj <<
-  /Type /Pages
-  /Count 1
-  /Kids [
-    3 0 R
-  ]
->>
-endobj
-% Page number 0.
-3 0 obj <<
-  /Type /Page
-  /Parent 2 0 R
-  /Resources <<
-    /Font <</F1 15 0 R>>
-  >>
-  /Contents [21 0 R]
-  /MediaBox [0 0 612 792]
->>
-% OpenAction action
-10 0 obj <<
-  /Type /Action
-  /S /JavaScript
-  /JS 11 0 R
->>
-endobj
-% JS program to exexute
-11 0 obj <<
->>
-stream
-
-function doTest(name, props) {
-  for (var i = 0; i < props.length; ++i) {
-    var expr = name + "." + props[i];
-    app.alert(expr + " is " + eval(expr));
-  }
-}
-
-try {
-  doTest("border", ["s", "b", "d", "i", "u", "nonesuch"]);
-  doTest("display", ["visible", "hidden", "noPrint", "noView", "nonesuch"]);
-  doTest("font", ["Times", "TimesB", "TimesI", "TimesBI", "Helv", "HelvB",
-                  "HelvI", "HelvBI", "Cour", "CourB", "CourI", "CourBI",
-                  "Symbol", "ZapfD", "Nonesuch"]);
-
-  doTest("highlight", ["n", "i", "p", "o", "nonesuch"]);
-  doTest("position", ["textOnly", "iconOnly", "iconTextV", "textIconV",
-                      "iconTextH", "textIconH", "overlay", "nonesuch"]);
-
-  doTest("scaleHow", ["proportional", "anamorphic", "nonesuch"]);
-  doTest("scaleWhen", ["always", "never", "tooBig", "tooSmall", "nonesuch"]);
-  doTest("style", ["ch", "cr", "di", "ci", "st", "sq", "nonesuch"]);
-  doTest("zoomtype", ["none", "fitP", "fitW", "fitH", "fitV", "pref", "refW",
-                      "nonesuch"]);
-} catch (e) {
-  app.alert("ERROR: " + e.toString());
-}
-endstream
-endobj
-xref
-0 12
-0000000000 65535 f 
-0000000015 00000 n 
-0000000089 00000 n 
-0000000177 00000 n 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000000 65535 f 
-0000000334 00000 n 
-0000000426 00000 n 
-trailer <<
-  /Root 1 0 R
->>
-startxref
-1555
-%%EOF
diff --git a/testing/resources/javascript/document_props.in b/testing/resources/javascript/document_props.in
new file mode 100644
index 0000000000..8ab7e3d566
--- /dev/null
+++ b/testing/resources/javascript/document_props.in
@@ -0,0 +1,143 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /OpenAction 10 0 R
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 4
+  /Kids [
+    3 0 R
+    4 0 R
+    5 0 R
+    6 0 R
+  ]
+>>
+endobj
+% Page number 0.
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <</F1 15 0 R>>
+  >>
+  /MediaBox [0 0 612 792]
+>>
+% Page number 1.
+{{object 4 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <</F1 15 0 R>>
+  >>
+  /MediaBox [0 0 612 792]
+>>
+% Page number 2.
+{{object 5 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <</F1 15 0 R>>
+  >>
+  /MediaBox [0 0 612 792]
+>>
+% Page number 3.
+{{object 6 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <</F1 15 0 R>>
+  >>
+  /MediaBox [0 0 612 792]
+>>
+
+% Info
+{{object 9 0}} <<
+  /Author (Joe Random Author)
+  /Creator (Joe Random Creator)
+>>
+endobj
+% OpenAction action
+{{object 10 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 11 0 R
+>>
+endobj
+% JS program to exexute
+{{object 11 0}} <<
+>>
+stream
+var document_props = [
+  'ADBE',
+  'author',
+  'baseURL',
+  'bookmarkRoot',
+  'calculate',
+  'Collab',
+  'creationDate',
+  'creator',
+  'delay',
+  'dirty',
+  'documentFileName',
+  'external',
+  'filesize',
+  'icons',
+  'info',
+  'keywords',
+  'layout',
+  'media',
+  'modDate',
+  'mouseX',
+  'mouseY',
+  'numFields',
+  'numPages',
+  'pageNum',
+  'pageWindowRect',
+  'path',
+  'producer',
+  'subject',
+  'title',
+  'zoom',
+  'zoomType',
+];
+
+function testGetProps(props) {
+  try {
+    app.alert('*** Getting properties ***');
+    for (var i = 0; i < props.length; ++i) {
+        var expr1 = "this." + props[i];
+        var expr2 = "typeof " + expr1;
+        app.alert(expr1 + " is " + eval(expr2) + ' ' + eval(expr1));
+    }
+  } catch (e) {
+    app.alert("ERROR: " + e.toString());
+  }
+}
+
+function testSetProps(props) {
+  try {
+    app.alert('*** Setting properties ***');
+    for (var i = 0; i < props.length; ++i) {
+        var expr1 = "this." + props[i] + ' = 3;'
+        app.alert(expr1 + " yields " + eval(expr1));
+    }
+  } catch (e) {
+    app.alert("ERROR: " + e.toString());
+  }
+}
+
+testGetProps(document_props);
+testSetProps(document_props);
+testGetProps(document_props);
+endstream
+endobj
+{{xref}}
+trailer <<
+  /Root 1 0 R
+  /Info 9 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/javascript/document_props_expected.txt b/testing/resources/javascript/document_props_expected.txt
new file mode 100644
index 0000000000..38bea97acb
--- /dev/null
+++ b/testing/resources/javascript/document_props_expected.txt
@@ -0,0 +1,97 @@
+Alert: *** Getting properties ***
+Alert: this.ADBE is undefined undefined
+Alert: this.author is string Joe Random Author
+Alert: this.baseURL is string 
+Alert: this.bookmarkRoot is undefined undefined
+Alert: this.calculate is boolean true
+Alert: this.Collab is undefined undefined
+Alert: this.creationDate is string 
+Alert: this.creator is string Joe Random Creator
+Alert: this.delay is number 0
+Alert: this.dirty is boolean false
+Alert: this.documentFileName is string 
+Alert: this.external is number 1
+Alert: this.filesize is number 0
+Alert: this.icons is undefined undefined
+Alert: this.info is object [object Object]
+Alert: this.keywords is string 
+Alert: this.layout is undefined undefined
+Alert: this.media is undefined undefined
+Alert: this.modDate is string 
+Alert: this.mouseX is undefined undefined
+Alert: this.mouseY is undefined undefined
+Alert: this.numFields is number 0
+Alert: this.numPages is number 4
+Alert: this.pageNum is undefined undefined
+Alert: this.pageWindowRect is undefined undefined
+Alert: this.path is string /
+Alert: this.producer is string 
+Alert: this.subject is string 
+Alert: this.title is string 
+Alert: this.zoom is undefined undefined
+Alert: this.zoomType is undefined undefined
+Alert: *** Setting properties ***
+Alert: this.ADBE = 3; yields 3
+Alert: this.author = 3; yields 3
+Alert: this.baseURL = 3; yields 3
+Alert: this.bookmarkRoot = 3; yields 3
+Alert: this.calculate = 3; yields 3
+Alert: this.Collab = 3; yields 3
+Alert: this.creationDate = 3; yields 3
+Alert: this.creator = 3; yields 3
+Alert: this.delay = 3; yields 3
+Alert: this.dirty = 3; yields 3
+Alert: this.documentFileName = 3; yields 3
+Alert: this.external = 3; yields 3
+Alert: this.filesize = 3; yields 3
+Alert: this.icons = 3; yields 3
+Alert: this.info = 3; yields 3
+Alert: this.keywords = 3; yields 3
+Alert: this.layout = 3; yields 3
+Alert: this.media = 3; yields 3
+Alert: this.modDate = 3; yields 3
+Alert: this.mouseX = 3; yields 3
+Alert: this.mouseY = 3; yields 3
+Alert: this.numFields = 3; yields 3
+Alert: this.numPages = 3; yields 3
+Goto Page: 3
+Alert: this.pageNum = 3; yields 3
+Alert: this.pageWindowRect = 3; yields 3
+Alert: this.path = 3; yields 3
+Alert: this.producer = 3; yields 3
+Alert: this.subject = 3; yields 3
+Alert: this.title = 3; yields 3
+Alert: this.zoom = 3; yields 3
+Alert: this.zoomType = 3; yields 3
+Alert: *** Getting properties ***
+Alert: this.ADBE is undefined undefined
+Alert: this.author is string 3
+Alert: this.baseURL is string 3
+Alert: this.bookmarkRoot is undefined undefined
+Alert: this.calculate is boolean true
+Alert: this.Collab is undefined undefined
+Alert: this.creationDate is string 3
+Alert: this.creator is string 3
+Alert: this.delay is number 1
+Alert: this.dirty is boolean true
+Alert: this.documentFileName is string 
+Alert: this.external is number 1
+Alert: this.filesize is number 0
+Alert: this.icons is undefined undefined
+Alert: this.info is object [object Object]
+Alert: this.keywords is string 3
+Alert: this.layout is undefined undefined
+Alert: this.media is undefined undefined
+Alert: this.modDate is string 3
+Alert: this.mouseX is undefined undefined
+Alert: this.mouseY is undefined undefined
+Alert: this.numFields is number 0
+Alert: this.numPages is number 4
+Alert: this.pageNum is undefined undefined
+Alert: this.pageWindowRect is undefined undefined
+Alert: this.path is string /
+Alert: this.producer is string 3
+Alert: this.subject is string 3
+Alert: this.title is string 3
+Alert: this.zoom is undefined undefined
+Alert: this.zoomType is undefined undefined
diff --git a/testing/resources/pixel/font_size_expected.pdf.0.ppm b/testing/resources/pixel/font_size_expected.pdf.0.ppm
new file mode 100644
index 0000000000..a433b39c44
--- /dev/null
+++ b/testing/resources/pixel/font_size_expected.pdf.0.ppm
diff --git a/testing/tools/fixup_pdf_template.py b/testing/tools/fixup_pdf_template.py
index 87996a42cd..a43db55ee9 100755
--- a/testing/tools/fixup_pdf_template.py
+++ b/testing/tools/fixup_pdf_template.py
@@ -70,22 +70,32 @@ class TemplateProcessor:
     self.offset += len(line)
     return line
 
-def expand_file(input_filename):
-  (input_root, extension) = os.path.splitext(input_filename)
-  output_filename = input_root + '.pdf'
+
+def expand_file(input_path, output_path):
   processor = TemplateProcessor()
   try:
-    with open(input_filename, 'r') as infile:
-      with open(output_filename, 'w') as outfile:
+    with open(input_path, 'r') as infile:
+      with open(output_path, 'w') as outfile:
         for line in infile:
            outfile.write(processor.process_line(line))
   except IOError:
-    print >> sys.stderr, 'failed to process %s' % input_filename
+    print >> sys.stderr, 'failed to process %s' % input_path
+
 
 def main():
-  for arg in sys.argv[1:]:
-    expand_file(arg)
+  parser = optparse.OptionParser()
+  parser.add_option('--output-dir', default='')
+  options, args = parser.parse_args()
+  for testcase_path in args:
+    testcase_filename = os.path.basename(testcase_path)
+    testcase_root, _ = os.path.splitext(testcase_filename)
+    output_dir = os.path.dirname(testcase_path)
+    if options.output_dir:
+      output_dir = options.output_dir
+    output_path = os.path.join(output_dir, testcase_root + '.pdf')
+    expand_file(testcase_path, output_path)
   return 0
 
+
 if __name__ == '__main__':
   sys.exit(main())
diff --git a/testing/tools/run_javascript_tests.py b/testing/tools/run_javascript_tests.py
new file mode 100755
index 0000000000..4361ea08f9
--- /dev/null
+++ b/testing/tools/run_javascript_tests.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+# Copyright 2015 The PDFium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import optparse
+import os
+import re
+import subprocess
+import sys
+
+# Nomenclature:
+#   x_root - "x"
+#   x_filename - "x.ext"
+#   x_path - "path/to/a/b/c/x.ext"
+#   c_dir - "path/to/a/b/c"
+
+def generate_and_test(input_filename, source_dir, working_dir,
+                      fixup_path, pdfium_test_path):
+  input_root, _ = os.path.splitext(input_filename)
+  input_path = os.path.join(source_dir, input_root + '.in')
+  pdf_path = os.path.join(working_dir, input_root + '.pdf')
+  txt_path = os.path.join(working_dir, input_root + '.txt')
+  expected_path = os.path.join(source_dir, input_root + '_expected.txt')
+  try:
+    subprocess.check_call(
+        [fixup_path, '--output-dir=' + working_dir, input_path])
+    with open(txt_path, 'w') as outfile:
+      subprocess.check_call([pdfium_test_path, pdf_path], stdout=outfile)
+    subprocess.check_call(['diff', expected_path, txt_path])
+  except subprocess.CalledProcessError as e:
+    print "FAILURE: " + input_filename + "; " + str(e)
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option('--build-dir', default=os.path.join('out', 'Debug'),
+                    help='relative path from the base source directory')
+  options, args = parser.parse_args()
+
+  # Expect |my_dir| to be .../pdfium/testing/tools.
+  my_dir = os.path.dirname(os.path.realpath(__file__))
+  testing_dir = os.path.dirname(my_dir)
+  pdfium_dir = os.path.dirname(testing_dir)
+  if (os.path.basename(my_dir) != 'tools' or
+      os.path.basename(testing_dir) != 'testing'):
+    print 'Confused, can not find pdfium root directory, aborting.'
+    return 1
+
+  # Other scripts are found in the same directory as this one.
+  fixup_path = os.path.join(my_dir, 'fixup_pdf_template.py')
+
+  # test files are in .../pdfium/testing/resources/javascript.
+  source_dir = os.path.join(testing_dir, 'resources', 'javascript')
+
+  # Find path to build directory.  This depends on whether this is a
+  # standalone build vs. a build as part of a chromium checkout. For
+  # standalone, we expect a path like .../pdfium/out/Debug, but for
+  # chromium, we expect a path like .../src/out/Debug two levels
+  # higher (to skip over the third_party/pdfium path component under
+  # which chromium sticks pdfium).
+  base_dir = pdfium_dir
+  one_up_dir = os.path.dirname(base_dir)
+  two_up_dir = os.path.dirname(one_up_dir)
+  if (os.path.basename(two_up_dir) == 'src' and
+      os.path.basename(one_up_dir) == 'third_party'):
+    base_dir = two_up_dir
+  build_dir = os.path.join(base_dir, options.build_dir)
+
+  # Compiled binaries are found under the build path.
+  pdfium_test_path = os.path.join(build_dir, 'pdfium_test')
+  if sys.platform.startswith('win'):
+    pdfium_test_path = pdfium_test_path + '.exe'
+  # TODO(tsepez): Mac may require special handling here.
+
+  # Place generated files under the build directory, not source directory.
+  gen_dir = os.path.join(build_dir, 'gen', 'pdfium')
+  working_dir = os.path.join(gen_dir, 'testing', 'javascript')
+  if not os.path.exists(working_dir):
+    os.makedirs(working_dir)
+
+  input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]in$')
+  for input_filename in os.listdir(source_dir):
+    if input_file_re.match(input_filename):
+      input_path = os.path.join(source_dir, input_filename)
+      if os.path.isfile(input_path):
+        generate_and_test(input_filename, source_dir, working_dir,
+                          fixup_path, pdfium_test_path)
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())
diff --git a/testing/tools/run_pixel_tests.py b/testing/tools/run_pixel_tests.py
new file mode 100755
index 0000000000..07ea7d8ed8
--- /dev/null
+++ b/testing/tools/run_pixel_tests.py
@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+# Copyright 2015 The PDFium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import optparse
+import os
+import re
+import subprocess
+import sys
+
+# Nomenclature:
+#   x_root - "x"
+#   x_filename - "x.ext"
+#   x_path - "path/to/a/b/c/x.ext"
+#   c_dir - "path/to/a/b/c"
+
+def generate_and_test(input_filename, source_dir, working_dir,
+                      fixup_path, pdfium_test_path):
+  input_root, _ = os.path.splitext(input_filename)
+  input_path = os.path.join(source_dir, input_root + '.in')
+  pdf_path = os.path.join(working_dir, input_root + '.pdf')
+  actual_path_template = os.path.join(working_dir, input_root + '.pdf.%d.ppm')
+  expected_path_template = os.path.join(source_dir,
+                                        input_root + '_expected.pdf.%d.ppm')
+  try:
+    subprocess.check_call(
+        [fixup_path, '--output-dir=' + working_dir, input_path])
+    subprocess.check_call([pdfium_test_path, '--ppm', pdf_path])
+    i = 0;
+    while True:
+      expected_path = expected_path_template % i;
+      actual_path = actual_path_template % i;
+      if not os.path.exists(expected_path):
+        break
+      subprocess.check_call(['diff', expected_path, actual_path])
+      i += 1
+  except subprocess.CalledProcessError as e:
+    print "FAILURE: " + input_filename + "; " + str(e)
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option('--build-dir', default=os.path.join('out', 'Debug'),
+                    help='relative path from the base source directory')
+  options, args = parser.parse_args()
+
+  # Expect |my_dir| to be .../pdfium/testing/tools.
+  my_dir = os.path.dirname(os.path.realpath(__file__))
+  testing_dir = os.path.dirname(my_dir)
+  pdfium_dir = os.path.dirname(testing_dir)
+  if (os.path.basename(my_dir) != 'tools' or
+      os.path.basename(testing_dir) != 'testing'):
+    print 'Confused, can not find pdfium root directory, aborting.'
+    return 1
+
+  # Other scripts are found in the same directory as this one.
+  fixup_path = os.path.join(my_dir, 'fixup_pdf_template.py')
+
+  # test files are in .../pdfium/testing/resources/pixel.
+  source_dir = os.path.join(testing_dir, 'resources', 'pixel')
+
+  # Find path to build directory.  This depends on whether this is a
+  # standalone build vs. a build as part of a chromium checkout. For
+  # standalone, we expect a path like .../pdfium/out/Debug, but for
+  # chromium, we expect a path like .../src/out/Debug two levels
+  # higher (to skip over the third_party/pdfium path component under
+  # which chromium sticks pdfium).
+  base_dir = pdfium_dir
+  one_up_dir = os.path.dirname(base_dir)
+  two_up_dir = os.path.dirname(one_up_dir)
+  if (os.path.basename(two_up_dir) == 'src' and
+      os.path.basename(one_up_dir) == 'third_party'):
+    base_dir = two_up_dir
+  build_dir = os.path.join(base_dir, options.build_dir)
+
+  # Compiled binaries are found under the build path.
+  pdfium_test_path = os.path.join(build_dir, 'pdfium_test')
+  if sys.platform.startswith('win'):
+    pdfium_test_path = pdfium_test_path + '.exe'
+  # TODO(tsepez): Mac may require special handling here.
+
+  # Place generated files under the build directory, not source directory.
+  gen_dir = os.path.join(build_dir, 'gen', 'pdfium')
+  working_dir = os.path.join(gen_dir, 'testing', 'pixel')
+  if not os.path.exists(working_dir):
+    os.makedirs(working_dir)
+
+  input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]in$')
+  for input_filename in os.listdir(source_dir):
+    if input_file_re.match(input_filename):
+      input_path = os.path.join(source_dir, input_filename)
+      if os.path.isfile(input_path):
+        generate_and_test(input_filename, source_dir, working_dir,
+                          fixup_path, pdfium_test_path)
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())