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diff --git a/test/tkt-8454a207b9.test b/test/tkt-8454a207b9.test
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+# 2010 September 30
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file implements regression tests for SQLite library. Specifically,
+# it tests that ticket [8454a207b9fd2243c4c6b7a73f67ea0315717c1a].  Verify
+# that a negative default value on an added text column actually comes
+# out negative.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
+ifcapable !altertable {
+  finish_test
+  return
+}
+
+do_test tkt-8454a207b9.1 {
+  db eval {
+    CREATE TABLE t1(a);
+    INSERT INTO t1 VALUES(1);
+    ALTER TABLE t1 ADD COLUMN b TEXT DEFAULT -123.0;
+    SELECT b, typeof(b) FROM t1;
+  }
+} {-123.0 text}
+do_test tkt-8454a207b9.2 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT -123.5;
+    SELECT c, typeof(c) FROM t1;
+  }
+} {-123.5 text}
+do_test tkt-8454a207b9.3 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN d TEXT DEFAULT -'hello';
+    SELECT d, typeof(d) FROM t1;
+  }
+} {0 text}
+do_test tkt-8454a207b9.4 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN e DEFAULT -123.0;
+    SELECT e, typeof(e) FROM t1;
+  }
+} {-123 integer}
+do_test tkt-8454a207b9.5 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN f DEFAULT -123.5;
+    SELECT f, typeof(f) FROM t1;
+  }
+} {-123.5 real}
+do_test tkt-8454a207b9.6 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN g DEFAULT -9223372036854775808;
+    SELECT g, typeof(g) FROM t1;
+  }
+} {-9223372036854775808 integer}
+do_test tkt-8454a207b9.7 {
+  db eval {
+    ALTER TABLE t1 ADD COLUMN h DEFAULT 9223372036854775807;
+    SELECT h, typeof(h) FROM t1;
+  }
+} {9223372036854775807 integer}
+
+
+finish_test