Observe Annot destruction in CPDFSDK_PageView::DeleteAnnot

Run test XFA-Only, since that's where the issue occurs, and the
textual output is different for non-xfa.  Fix a few lifetime issue
in pdfium_test.cc unearthed by this test (doc must outlive pages
now held in formfill info).


Bug: 735912
Change-Id: Icc9e6a967c32ece67d897117896c973bb16a1515
Reviewed-on: https://pdfium-review.googlesource.com/8510
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

3 files changed, 131 insertions, 8 deletions

diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index 8389289589..feb862e3b1 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -286,13 +286,8 @@ zh_file1.pdf mac * *
 zh_function_list.pdf mac * *
 zh_shared_document.pdf mac * *
 
-bug_492.in * nov8 *
-bug_679643.in * * noxfa
-bug_679642.in * * noxfa
-
-#
 # TODO(hnakashima): These might never have been run. Go over them and fix.
-#
+
 FRC_8.5_E&X.pdf * * *
 FRC_8.5_O&PO_GoToE.pdf * * *
 FRC_8.5_OpenAction&O_URI.pdf * * *
@@ -300,9 +295,8 @@ FRC_8.5_PC&C_GoToE_T_T.pdf * * *
 FRC_8.5_PC_GoToE_T_R&P&A.pdf * * *
 FRC_8.5_PO_GoToE_T_R&N.pdf * * *
 
-#
 # xfa_specific
-#
+
 Choose.pdf * * *
 data_binding.pdf * * *
 Date_FormCale.pdf * * *
@@ -315,3 +309,15 @@ TimeField.pdf win,linux * *
 Test_CheckBox.pdf * * *
 Test_DateField_locale_zh_HK.pdf mac,win * *
 
+#
+# JavaScript tests
+#
+bug_679642.in * * noxfa
+bug_679643.in * * noxfa
+bug_735912.in * * noxfa
+
+#
+# Pixel tests
+#
+bug_492.in * nov8 *
+
diff --git a/testing/resources/javascript/bug_735912.in b/testing/resources/javascript/bug_735912.in
new file mode 100644
index 0000000000..7f42d1b7c2
--- /dev/null
+++ b/testing/resources/javascript/bug_735912.in
@@ -0,0 +1,115 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /AcroForm 4 0 R
+  /OpenAction 30 0 R
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+>>
+endobj
+% Page number 0.
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Annots [
+    8 0 R
+    ]
+  /AA << /C 36 0 R >>
+>>
+endobj
+% Forms
+{{object 4 0}} <<
+  /XFA [
+    (xdp:xdp) 43 0 R
+    (form) 49 0 R
+    (</xdp:xdp>) 50 0 R
+  ]
+  /Fields [
+    8 0 R
+    ]
+>>
+endobj
+% Fields
+{{object 8 0}} <<
+  /FT /Tx
+  /T (MyField)
+  /Type /Annot
+  /Subtype /Widget
+  /Rect [100 300 500 400]
+  /AA << /Bl 34 0 R >>
+>>
+endobj
+% JS Action
+{{object 30 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 31 0 R
+>>
+endobj
+% JS program to exexute
+{{object 31 0}} <<
+>>
+stream
+this.getField("MyField").setFocus();
+app.alert("focused");
+endstream
+endobj
+% Lost Focus AAction MyField
+{{object 34 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 35 0 R
+>>
+endobj
+% JS program to exexute
+{{object 35 0}} <<
+>>
+stream
+this.removeField("MyField");
+app.alert("removed");
+endstream
+endobj
+% Closing Page 0
+{{object 36 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 37 0 R
+>>
+endobj
+% JS program to exexute
+{{object 37 0}} <<
+>>
+stream
+this.removeField("MyField");
+endstream
+endobj
+{{object 43 0}} <<
+>>stream
+<?xml version="1.0" encoding="UTF-8"?>
+<xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/">
+endstream
+endobj
+{{object 49 0}} <<
+>>stream
+<config></config>
+<template></template>
+endstream
+endobj
+{{object 50 0}} <<
+>>stream
+</xdp:xdp>
+endstream
+endobj
+{{xref}}
+trailer <<
+  /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/javascript/bug_735912_expected.txt b/testing/resources/javascript/bug_735912_expected.txt
new file mode 100644
index 0000000000..7d0f42f517
--- /dev/null
+++ b/testing/resources/javascript/bug_735912_expected.txt
@@ -0,0 +1,2 @@
+Alert: removed
+Alert: focused