Add smaller image streams file for testing

3 files changed, 632 insertions, 0 deletions

diff --git a/qpdf/qtest/qpdf.test b/qpdf/qtest/qpdf.test
index 76f9d8aa..7e7b733d 100644
--- a/qpdf/qtest/qpdf.test
+++ b/qpdf/qtest/qpdf.test
@@ -542,6 +542,7 @@ my @json_files = (
     ['page-labels-and-outlines', []],
     ['page-labels-num-tree', []],
     ['image-streams', []],
+    ['image-streams-small', []],
     ['field-types', []],
     ['image-streams', ['--decode-level=all']],
     ['image-streams', ['--decode-level=specialized']],
@@ -2105,6 +2106,10 @@ $n_tests += 14;
 
 # image-streams.pdf is the output of examples/pdf-create.
 # examples/pdf-create validates the actual image data.
+# image-streams-small.pdf was manually created by editing
+# pdf-create.cc to reduce width and height to 40x8 and ignoring
+# errors. Its purpose was to get a small file with images with
+# different filters for fuzz testing.
 foreach my $l (qw(none generalized specialized all))
 {
     $td->runtest("image-streams: $l",
diff --git a/qpdf/qtest/qpdf/image-streams-small.pdf b/qpdf/qtest/qpdf/image-streams-small.pdf
new file mode 100644
index 00000000..713ed1d6
--- /dev/null
+++ b/qpdf/qtest/qpdf/image-streams-small.pdf
diff --git a/qpdf/qtest/qpdf/json-image-streams-small.out b/qpdf/qtest/qpdf/json-image-streams-small.out
new file mode 100644
index 00000000..02ee4ad1
--- /dev/null
+++ b/qpdf/qtest/qpdf/json-image-streams-small.out
@@ -0,0 +1,627 @@
+{
+  "acroform": {
+    "fields": [],
+    "hasacroform": false,
+    "needappearances": false
+  },
+  "objects": {
+    "1 0 R": {
+      "/Pages": "2 0 R",
+      "/Type": "/Catalog"
+    },
+    "10 0 R": {
+      "/Contents": "27 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "28 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "11 0 R": {
+      "/Contents": "29 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "30 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "12 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 97
+    },
+    "13 0 R": {
+      "/BaseFont": "/Helvetica",
+      "/Encoding": "/WinAnsiEncoding",
+      "/Name": "/F1",
+      "/Subtype": "/Type1",
+      "/Type": "/Font"
+    },
+    "14 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceCMYK",
+      "/Filter": "/FlateDecode",
+      "/Height": 48,
+      "/Length": 51,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "15 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 102
+    },
+    "16 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceCMYK",
+      "/Filter": "/DCTDecode",
+      "/Height": 48,
+      "/Length": 454,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "17 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 108
+    },
+    "18 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceCMYK",
+      "/Filter": "/RunLengthDecode",
+      "/Height": 48,
+      "/Length": 7688,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "19 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 96
+    },
+    "2 0 R": {
+      "/Count": 9,
+      "/Kids": [
+        "3 0 R",
+        "4 0 R",
+        "5 0 R",
+        "6 0 R",
+        "7 0 R",
+        "8 0 R",
+        "9 0 R",
+        "10 0 R",
+        "11 0 R"
+      ],
+      "/Type": "/Pages"
+    },
+    "20 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceRGB",
+      "/Filter": "/FlateDecode",
+      "/Height": 48,
+      "/Length": 46,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "21 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 99
+    },
+    "22 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceRGB",
+      "/Filter": "/DCTDecode",
+      "/Height": 48,
+      "/Length": 849,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "23 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 106
+    },
+    "24 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceRGB",
+      "/Filter": "/RunLengthDecode",
+      "/Height": 48,
+      "/Length": 6411,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "25 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 97
+    },
+    "26 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceGray",
+      "/Filter": "/FlateDecode",
+      "/Height": 48,
+      "/Length": 36,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "27 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 101
+    },
+    "28 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceGray",
+      "/Filter": "/DCTDecode",
+      "/Height": 48,
+      "/Length": 359,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "29 0 R": {
+      "/Filter": "/FlateDecode",
+      "/Length": 108
+    },
+    "3 0 R": {
+      "/Contents": "12 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "14 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "30 0 R": {
+      "/BitsPerComponent": 8,
+      "/ColorSpace": "/DeviceGray",
+      "/Filter": "/RunLengthDecode",
+      "/Height": 48,
+      "/Length": 37,
+      "/Subtype": "/Image",
+      "/Type": "/XObject",
+      "/Width": 40
+    },
+    "4 0 R": {
+      "/Contents": "15 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "16 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "5 0 R": {
+      "/Contents": "17 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "18 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "6 0 R": {
+      "/Contents": "19 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "20 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "7 0 R": {
+      "/Contents": "21 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "22 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "8 0 R": {
+      "/Contents": "23 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "24 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "9 0 R": {
+      "/Contents": "25 0 R",
+      "/MediaBox": [
+        0,
+        0,
+        612,
+        392
+      ],
+      "/Parent": "2 0 R",
+      "/Resources": {
+        "/Font": {
+          "/F1": "13 0 R"
+        },
+        "/ProcSet": [
+          "/PDF",
+          "/Text",
+          "/ImageC"
+        ],
+        "/XObject": {
+          "/Im1": "26 0 R"
+        }
+      },
+      "/Type": "/Page"
+    },
+    "trailer": {
+      "/ID": [
+        "Z§¯•Py»’~’46\u001dı\u0011¢",
+        "Z§¯•Py»’~’46\u001dı\u0011¢"
+      ],
+      "/Root": "1 0 R",
+      "/Size": 31
+    }
+  },
+  "outlines": [],
+  "pagelabels": [],
+  "pages": [
+    {
+      "contents": [
+        "12 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/FlateDecode"
+          ],
+          "filterable": true,
+          "height": 48,
+          "name": "/Im1",
+          "object": "14 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "3 0 R",
+      "outlines": [],
+      "pageposfrom1": 1
+    },
+    {
+      "contents": [
+        "15 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/DCTDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "16 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "4 0 R",
+      "outlines": [],
+      "pageposfrom1": 2
+    },
+    {
+      "contents": [
+        "17 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceCMYK",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/RunLengthDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "18 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "5 0 R",
+      "outlines": [],
+      "pageposfrom1": 3
+    },
+    {
+      "contents": [
+        "19 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceRGB",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/FlateDecode"
+          ],
+          "filterable": true,
+          "height": 48,
+          "name": "/Im1",
+          "object": "20 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "6 0 R",
+      "outlines": [],
+      "pageposfrom1": 4
+    },
+    {
+      "contents": [
+        "21 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceRGB",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/DCTDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "22 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "7 0 R",
+      "outlines": [],
+      "pageposfrom1": 5
+    },
+    {
+      "contents": [
+        "23 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceRGB",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/RunLengthDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "24 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "8 0 R",
+      "outlines": [],
+      "pageposfrom1": 6
+    },
+    {
+      "contents": [
+        "25 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceGray",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/FlateDecode"
+          ],
+          "filterable": true,
+          "height": 48,
+          "name": "/Im1",
+          "object": "26 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "9 0 R",
+      "outlines": [],
+      "pageposfrom1": 7
+    },
+    {
+      "contents": [
+        "27 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceGray",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/DCTDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "28 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "10 0 R",
+      "outlines": [],
+      "pageposfrom1": 8
+    },
+    {
+      "contents": [
+        "29 0 R"
+      ],
+      "images": [
+        {
+          "bitspercomponent": 8,
+          "colorspace": "/DeviceGray",
+          "decodeparms": [
+            null
+          ],
+          "filter": [
+            "/RunLengthDecode"
+          ],
+          "filterable": false,
+          "height": 48,
+          "name": "/Im1",
+          "object": "30 0 R",
+          "width": 40
+        }
+      ],
+      "label": null,
+      "object": "11 0 R",
+      "outlines": [],
+      "pageposfrom1": 9
+    }
+  ],
+  "parameters": {
+    "decodelevel": "generalized"
+  },
+  "version": 1
+}