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-rw-r--r--ext/json/tests/bug42090.phpt24
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diff --git a/ext/json/tests/bug42090.phpt b/ext/json/tests/bug42090.phpt
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+++ b/ext/json/tests/bug42090.phpt
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+--TEST--
+Bug #42090 (json_decode causes segmentation fault)
+--SKIPIF--
+<?php if (!extension_loaded("json")) print "skip"; ?>
+--FILE--
+<?php
+var_dump(
+ json_decode('""'),
+ json_decode('"..".'),
+ json_decode('"'),
+ json_decode('""""'),
+ json_encode('"'),
+ json_decode(json_encode('"')),
+ json_decode(json_encode('""'))
+);
+?>
+--EXPECT--
+string(0) ""
+NULL
+NULL
+NULL
+string(4) ""\"""
+string(1) """
+string(2) """"