--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/TclScript/cast.test	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,322 @@
+# 2005 June 25
+#
+# 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.  The
+# focus of this file is testing the CAST operator.
+#
+# $Id: cast.test,v 1.9 2008/01/19 20:11:26 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Only run these tests if the build includes the CAST operator
+ifcapable !cast {
+  finish_test
+  return
+}
+
+# Tests for the CAST( AS blob), CAST( AS text) and CAST( AS numeric) built-ins
+#
+ifcapable bloblit {
+  do_test cast-1.1 {
+    execsql {SELECT x'616263'}
+  } abc
+  do_test cast-1.2 {
+    execsql {SELECT typeof(x'616263')}
+  } blob
+  do_test cast-1.3 {
+    execsql {SELECT CAST(x'616263' AS text)}
+  } abc
+  do_test cast-1.4 {
+    execsql {SELECT typeof(CAST(x'616263' AS text))}
+  } text
+  do_test cast-1.5 {
+    execsql {SELECT CAST(x'616263' AS numeric)}
+  } 0
+  do_test cast-1.6 {
+    execsql {SELECT typeof(CAST(x'616263' AS numeric))}
+  } integer
+  do_test cast-1.7 {
+    execsql {SELECT CAST(x'616263' AS blob)}
+  } abc
+  do_test cast-1.8 {
+    execsql {SELECT typeof(CAST(x'616263' AS blob))}
+  } blob
+  do_test cast-1.9 {
+    execsql {SELECT CAST(x'616263' AS integer)}
+  } 0
+  do_test cast-1.10 {
+    execsql {SELECT typeof(CAST(x'616263' AS integer))}
+  } integer
+}
+do_test cast-1.11 {
+  execsql {SELECT null}
+} {{}}
+do_test cast-1.12 {
+  execsql {SELECT typeof(NULL)}
+} null
+do_test cast-1.13 {
+  execsql {SELECT CAST(NULL AS text)}
+} {{}}
+do_test cast-1.14 {
+  execsql {SELECT typeof(CAST(NULL AS text))}
+} null
+do_test cast-1.15 {
+  execsql {SELECT CAST(NULL AS numeric)}
+} {{}}
+do_test cast-1.16 {
+  execsql {SELECT typeof(CAST(NULL AS numeric))}
+} null
+do_test cast-1.17 {
+  execsql {SELECT CAST(NULL AS blob)}
+} {{}}
+do_test cast-1.18 {
+  execsql {SELECT typeof(CAST(NULL AS blob))}
+} null
+do_test cast-1.19 {
+  execsql {SELECT CAST(NULL AS integer)}
+} {{}}
+do_test cast-1.20 {
+  execsql {SELECT typeof(CAST(NULL AS integer))}
+} null
+do_test cast-1.21 {
+  execsql {SELECT 123}
+} {123}
+do_test cast-1.22 {
+  execsql {SELECT typeof(123)}
+} integer
+do_test cast-1.23 {
+  execsql {SELECT CAST(123 AS text)}
+} {123}
+do_test cast-1.24 {
+  execsql {SELECT typeof(CAST(123 AS text))}
+} text
+do_test cast-1.25 {
+  execsql {SELECT CAST(123 AS numeric)}
+} 123
+do_test cast-1.26 {
+  execsql {SELECT typeof(CAST(123 AS numeric))}
+} integer
+do_test cast-1.27 {
+  execsql {SELECT CAST(123 AS blob)}
+} {123}
+do_test cast-1.28 {
+  execsql {SELECT typeof(CAST(123 AS blob))}
+} blob
+do_test cast-1.29 {
+  execsql {SELECT CAST(123 AS integer)}
+} {123}
+do_test cast-1.30 {
+  execsql {SELECT typeof(CAST(123 AS integer))}
+} integer
+do_test cast-1.31 {
+  execsql {SELECT 123.456}
+} {123.456}
+do_test cast-1.32 {
+  execsql {SELECT typeof(123.456)}
+} real
+do_test cast-1.33 {
+  execsql {SELECT CAST(123.456 AS text)}
+} {123.456}
+do_test cast-1.34 {
+  execsql {SELECT typeof(CAST(123.456 AS text))}
+} text
+do_test cast-1.35 {
+  execsql {SELECT CAST(123.456 AS numeric)}
+} 123.456
+do_test cast-1.36 {
+  execsql {SELECT typeof(CAST(123.456 AS numeric))}
+} real
+do_test cast-1.37 {
+  execsql {SELECT CAST(123.456 AS blob)}
+} {123.456}
+do_test cast-1.38 {
+  execsql {SELECT typeof(CAST(123.456 AS blob))}
+} blob
+do_test cast-1.39 {
+  execsql {SELECT CAST(123.456 AS integer)}
+} {123}
+do_test cast-1.38 {
+  execsql {SELECT typeof(CAST(123.456 AS integer))}
+} integer
+do_test cast-1.41 {
+  execsql {SELECT '123abc'}
+} {123abc}
+do_test cast-1.42 {
+  execsql {SELECT typeof('123abc')}
+} text
+do_test cast-1.43 {
+  execsql {SELECT CAST('123abc' AS text)}
+} {123abc}
+do_test cast-1.44 {
+  execsql {SELECT typeof(CAST('123abc' AS text))}
+} text
+do_test cast-1.45 {
+  execsql {SELECT CAST('123abc' AS numeric)}
+} 123
+do_test cast-1.46 {
+  execsql {SELECT typeof(CAST('123abc' AS numeric))}
+} integer
+do_test cast-1.47 {
+  execsql {SELECT CAST('123abc' AS blob)}
+} {123abc}
+do_test cast-1.48 {
+  execsql {SELECT typeof(CAST('123abc' AS blob))}
+} blob
+do_test cast-1.49 {
+  execsql {SELECT CAST('123abc' AS integer)}
+} 123
+do_test cast-1.50 {
+  execsql {SELECT typeof(CAST('123abc' AS integer))}
+} integer
+do_test cast-1.51 {
+  execsql {SELECT CAST('123.5abc' AS numeric)}
+} 123.5
+do_test cast-1.53 {
+  execsql {SELECT CAST('123.5abc' AS integer)}
+} 123
+
+do_test case-1.60 {
+  execsql {SELECT CAST(null AS REAL)}
+} {{}}
+do_test case-1.61 {
+  execsql {SELECT typeof(CAST(null AS REAL))}
+} {null}
+do_test case-1.62 {
+  execsql {SELECT CAST(1 AS REAL)}
+} {1.0}
+do_test case-1.63 {
+  execsql {SELECT typeof(CAST(1 AS REAL))}
+} {real}
+do_test case-1.64 {
+  execsql {SELECT CAST('1' AS REAL)}
+} {1.0}
+do_test case-1.65 {
+  execsql {SELECT typeof(CAST('1' AS REAL))}
+} {real}
+do_test case-1.66 {
+  execsql {SELECT CAST('abc' AS REAL)}
+} {0.0}
+do_test case-1.67 {
+  execsql {SELECT typeof(CAST('abc' AS REAL))}
+} {real}
+do_test case-1.68 {
+  execsql {SELECT CAST(x'31' AS REAL)}
+} {1.0}
+do_test case-1.69 {
+  execsql {SELECT typeof(CAST(x'31' AS REAL))}
+} {real}
+
+
+# Ticket #1662.  Ignore leading spaces in numbers when casting.
+#
+do_test cast-2.1 {
+  execsql {SELECT CAST('   123' AS integer)}
+} 123
+do_test cast-2.2 {
+  execsql {SELECT CAST('   -123.456' AS real)}
+} -123.456
+
+# ticket #2364.  Use full percision integers if possible when casting
+# to numeric.  Do not fallback to real (and the corresponding 48-bit
+# mantissa) unless absolutely necessary.
+#
+do_test cast-3.1 {
+  execsql {SELECT CAST(9223372036854774800 AS integer)}
+} 9223372036854774800
+do_test cast-3.2 {
+  execsql {SELECT CAST(9223372036854774800 AS numeric)}
+} 9223372036854774800
+do_test cast-3.3 {
+  execsql {SELECT CAST(9223372036854774800 AS real)}
+} 9.22337203685477e+18
+do_test cast-3.4 {
+  execsql {SELECT CAST(CAST(9223372036854774800 AS real) AS integer)}
+} 9223372036854774784
+do_test cast-3.5 {
+  execsql {SELECT CAST(-9223372036854774800 AS integer)}
+} -9223372036854774800
+do_test cast-3.6 {
+  execsql {SELECT CAST(-9223372036854774800 AS numeric)}
+} -9223372036854774800
+do_test cast-3.7 {
+  execsql {SELECT CAST(-9223372036854774800 AS real)}
+} -9.22337203685477e+18
+do_test cast-3.8 {
+  execsql {SELECT CAST(CAST(-9223372036854774800 AS real) AS integer)}
+} -9223372036854774784
+do_test cast-3.11 {
+  execsql {SELECT CAST('9223372036854774800' AS integer)}
+} 9223372036854774800
+do_test cast-3.12 {
+  execsql {SELECT CAST('9223372036854774800' AS numeric)}
+} 9223372036854774800
+do_test cast-3.13 {
+  execsql {SELECT CAST('9223372036854774800' AS real)}
+} 9.22337203685477e+18
+ifcapable long_double {
+  do_test cast-3.14 {
+    execsql {SELECT CAST(CAST('9223372036854774800' AS real) AS integer)}
+  } 9223372036854774784
+}
+do_test cast-3.15 {
+  execsql {SELECT CAST('-9223372036854774800' AS integer)}
+} -9223372036854774800
+do_test cast-3.16 {
+  execsql {SELECT CAST('-9223372036854774800' AS numeric)}
+} -9223372036854774800
+do_test cast-3.17 {
+  execsql {SELECT CAST('-9223372036854774800' AS real)}
+} -9.22337203685477e+18
+ifcapable long_double {
+  do_test cast-3.18 {
+    execsql {SELECT CAST(CAST('-9223372036854774800' AS real) AS integer)}
+  } -9223372036854774784
+}
+if {[db eval {PRAGMA encoding}]=="UTF-8"} {
+  do_test cast-3.21 {
+    execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS integer)}
+  } 9223372036854774800
+  do_test cast-3.22 {
+    execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS numeric)}
+  } 9223372036854774800
+  do_test cast-3.23 {
+    execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS real)}
+  } 9.22337203685477e+18
+  ifcapable long_double {
+    do_test cast-3.24 {
+      execsql {
+        SELECT CAST(CAST(x'39323233333732303336383534373734383030' AS real)
+                    AS integer)
+      }
+    } 9223372036854774784
+  }
+}
+do_test case-3.31 {
+  execsql {SELECT CAST(NULL AS numeric)}
+} {{}}
+
+# Test to see if it is possible to trick SQLite into reading past 
+# the end of a blob when converting it to a number.
+do_test cast-3.32.1 {
+  set blob "1234567890"
+  set DB [sqlite3_connection_pointer db]
+  set ::STMT [sqlite3_prepare $DB {SELECT CAST(? AS real)} -1 TAIL]
+  sqlite3_bind_blob -static $::STMT 1 $blob 5
+  sqlite3_step $::STMT
+} {SQLITE_ROW}
+do_test cast-3.32.2 {
+  sqlite3_column_int $::STMT 0
+} {12345}
+do_test cast-3.32.3 {
+  sqlite3_finalize $::STMT
+} {SQLITE_OK}
+
+finish_test