From 8f19d3aa84c79412485578eeea1784466a7c9bf2 Mon Sep 17 00:00:00 2001
From: ntrifunovic <ntrifunovic@a809a056-fc17-0410-9590-b4f493f8b08e>
Date: Sun, 27 Sep 2009 18:47:45 +0000
Subject: [PATCH] Added regression test for [ 2857454 ]  dereference invalid
 iterator when lead surrogate was last element of the string

git-svn-id: http://svn.code.sf.net/p/utfcpp/code@101 a809a056-fc17-0410-9590-b4f493f8b08e
---
 .../r2_2_2/basic_functionality.h              | 21 +++++++++++++++++++
 .../regression_tests/reg_tests_driver.cpp     |  1 +
 2 files changed, 22 insertions(+)

diff --git a/test_drivers/regression_tests/r2_2_2/basic_functionality.h b/test_drivers/regression_tests/r2_2_2/basic_functionality.h
index f6315cd..961e36a 100755
--- a/test_drivers/regression_tests/r2_2_2/basic_functionality.h
+++ b/test_drivers/regression_tests/r2_2_2/basic_functionality.h
@@ -22,3 +22,24 @@ void id_2852872()
         check(false);
     }
 }
+
+// [ 2857454 ]  dereference invalid iterator when lead surrogate was last element of the string
+void id_2857454()
+{
+    const unsigned short lead_surrogate_last[] = {0x65, 0xd800, 0};
+    vector<char> utf8_result;
+    try
+    {
+        utf8::utf16to8(lead_surrogate_last, lead_surrogate_last + 2, back_inserter(utf8_result));
+        // should throw in the previous line and never get here
+    }
+    catch(utf8::invalid_utf16&)
+    {
+        // this is what we expect
+    }
+    catch(...)
+    {
+        // an unexpected exception happened
+        check(false);
+    }
+}
diff --git a/test_drivers/regression_tests/reg_tests_driver.cpp b/test_drivers/regression_tests/reg_tests_driver.cpp
index b7e023a..81d97eb 100644
--- a/test_drivers/regression_tests/reg_tests_driver.cpp
+++ b/test_drivers/regression_tests/reg_tests_driver.cpp
@@ -43,4 +43,5 @@ int main()
 // Release 2.2.2
 //r2_2_2/basic_functionality.h
     id_2852872();
+    id_2857454();
 }