1 files changed, 33 insertions, 0 deletions
diff --git a/ext/exif/tests/bug79046.phpt b/ext/exif/tests/bug79046.phpt
new file mode 100644
index 0000000000..83955084b0
--- /dev/null
+++ b/ext/exif/tests/bug79046.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Bug #79046: NaN to int cast undefined behavior in exif
+--FILE--
+<?php
+var_dump(exif_read_data('data://image/tiff;base64,TU0AKgAAAA7//wAAANUAAQERAAsAAAABAAD4fwAAAA4A'));
+?>
+--EXPECT--
+array(8) {
+  ["FileDateTime"]=>
+  int(0)
+  ["FileSize"]=>
+  int(33)
+  ["FileType"]=>
+  int(8)
+  ["MimeType"]=>
+  string(10) "image/tiff"
+  ["SectionsFound"]=>
+  string(24) "ANY_TAG, IFD0, THUMBNAIL"
+  ["COMPUTED"]=>
+  array(2) {
+    ["IsColor"]=>
+    int(0)
+    ["ByteOrderMotorola"]=>
+    int(1)
+  }
+  ["StripOffsets"]=>
+  float(NAN)
+  ["THUMBNAIL"]=>
+  array(1) {
+    ["StripOffsets"]=>
+    float(NAN)
+  }
+}