From 0a8e62839cdae8dc135244ec53dd20393999f2d6 Mon Sep 17 00:00:00 2001
From: m-holger <m.holger@qpdf.org>
Date: Thu, 15 Aug 2024 00:52:59 +0100
Subject: [PATCH] Add new object stream test case

Exercise stream containing objects with no white-space between them.
---
 qpdf/qtest/object-stream.test                  |  10 +++++++++-
 qpdf/qtest/qpdf/no-space-compressed-object.out |   5 +++++
 qpdf/qtest/qpdf/no-space-compressed-object.pdf | Bin 0 -> 1391 bytes
 qpdf/test_driver.cc                            |  12 +++++++++++-
 4 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 qpdf/qtest/qpdf/no-space-compressed-object.out
 create mode 100644 qpdf/qtest/qpdf/no-space-compressed-object.pdf

diff --git a/qpdf/qtest/object-stream.test b/qpdf/qtest/object-stream.test
index bed3fefa..891f74aa 100644
--- a/qpdf/qtest/object-stream.test
+++ b/qpdf/qtest/object-stream.test
@@ -16,7 +16,7 @@ cleanup();
 
 my $td = new TestDriver('object-stream');
 
-my $n_tests = 9 + (36 * 4) + (12 * 2);
+my $n_tests = 10 + (36 * 4) + (12 * 2);
 my $n_compare_pdfs = 36;
 
 for (my $n = 16; $n <= 19; ++$n)
@@ -117,6 +117,14 @@ $td->runtest("check file",
              {$td->FILE => "a.pdf"},
              {$td->FILE => "object-stream-self-ref.out.pdf"});
 
+# The file no-space-compressed-object.pdf contains an object stream containing two
+# integer objects that are not separated by any white space. The test case exercises
+# that all objects in the stream have the correct value.
+$td->runtest("adjacent compressed objects",
+             {$td->COMMAND => "test_driver 99 no-space-compressed-object.pdf"},
+             {$td->FILE => "no-space-compressed-object.out",
+              $td->EXIT_STATUS => 0},
+             $td->EXPECT_FAILURE);
 
 cleanup();
 $td->report(calc_ntests($n_tests, $n_compare_pdfs));
diff --git a/qpdf/qtest/qpdf/no-space-compressed-object.out b/qpdf/qtest/qpdf/no-space-compressed-object.out
new file mode 100644
index 00000000..a557db56
--- /dev/null
+++ b/qpdf/qtest/qpdf/no-space-compressed-object.out
@@ -0,0 +1,5 @@
+1234
+5678
+(orig-3)
+(orig-4)
+test 99 done
diff --git a/qpdf/qtest/qpdf/no-space-compressed-object.pdf b/qpdf/qtest/qpdf/no-space-compressed-object.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..098809f6ba80ee0d04a3a178c4bf74db9addaa9d
GIT binary patch
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diff --git a/qpdf/test_driver.cc b/qpdf/test_driver.cc
index fd50cbce..60759996 100644
--- a/qpdf/test_driver.cc
+++ b/qpdf/test_driver.cc
@@ -3453,6 +3453,16 @@ test_98(QPDF& pdf, char const* arg2)
         "}");
 }
 
+static void
+test_99(QPDF& pdf, char const* arg2)
+{
+    // Designed for no-space-compressed-object.pdf
+    QPDFObjectHandle qtest = pdf.getRoot().getKey("/QTest");
+    for (int i = 0; i < qtest.getArrayNItems(); ++i) {
+        std::cout << qtest.getArrayItem(i).unparseResolved() << std::endl;
+    }
+}
+
 void
 runtest(int n, char const* filename1, char const* arg2)
 {
@@ -3554,7 +3564,7 @@ runtest(int n, char const* filename1, char const* arg2)
         {78, test_78}, {79, test_79}, {80, test_80}, {81, test_81}, {82, test_82}, {83, test_83},
         {84, test_84}, {85, test_85}, {86, test_86}, {87, test_87}, {88, test_88}, {89, test_89},
         {90, test_90}, {91, test_91}, {92, test_92}, {93, test_93}, {94, test_94}, {95, test_95},
-        {96, test_96}, {97, test_97}, {98, test_98}};
+        {96, test_96}, {97, test_97}, {98, test_98}, {99, test_99}};
 
     auto fn = test_functions.find(n);
     if (fn == test_functions.end()) {