Import SQLite 3.7.6.3.

third_party/sqlite/src/test/badutf2.test

+# 2011 March 15
+#
+# 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. 
+#
+# This file checks to make sure SQLite is able to gracEFully
+# handle malformed UTF-8.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+proc utf8_to_ustr2 {s} {
+  set r ""
+  foreach i [split $s ""] {
+    scan $i %c c
+    append r [format \\u%04.4X $c]
+  }
+  set r
+}
+
+proc utf8_to_hstr {in} {
+ regsub -all -- {(..)} $in {%[format "%s" \1]} out
+ subst $out
+}
+
+proc utf8_to_xstr {in} {
+ regsub -all -- {(..)} $in {\\\\x[format "%s" \1]} out
+ subst $out
+}
+
+proc utf8_to_ustr {in} {
+ regsub -all -- {(..)} $in {\\\\u[format "%04.4X" 0x\1]} out
+ subst $out
+}
+
+do_test badutf2-1.0 {
+  db close
+  forcedelete test.db
+  sqlite3 db test.db
+  db eval "PRAGMA encoding = 'UTF-8'"
+} {}
+
+do_test badutf2-4.0 {
+  set S [sqlite3_prepare_v2 db "SELECT ?" -1 dummy]
+  sqlite3_expired $S
+} {0}
+        
+foreach { i len uval xstr ustr u2u } {
+1 1 00     \x00         {}        {}
+2 1 01     \x01         "\\u0001" 01
+3 1 3F     \x3F         "\\u003F" 3F
+4 1 7F     \x7F         "\\u007F" 7F
+5 1 80     \x80         "\\u0080" C280
+6 1 C3BF   \xFF         "\\u00FF" C3BF
+7 3 EFBFBD \xEF\xBF\xBD "\\uFFFD" {}
+} {
+
+  set hstr [ utf8_to_hstr $uval ]
+
+  ifcapable bloblit {
+    if {$hstr != "%00"} {
+      do_test badutf2-2.1.$i {
+        set sql "SELECT '$hstr'=CAST(x'$uval' AS text) AS x;"
+        set res [ sqlite3_exec db $sql ]
+        lindex [ lindex $res 1] 1
+      } {1}
+      do_test badutf2-2.2.$i {
+        set sql "SELECT CAST('$hstr' AS blob)=x'$uval' AS x;"
+        set res [ sqlite3_exec db $sql ]
+        lindex [ lindex $res 1] 1
+      } {1}
+    }
+    do_test badutf2-2.3.$i {
+      set sql "SELECT hex(CAST(x'$uval' AS text)) AS x;"
+      set res [ sqlite3_exec db $sql ]
+      lindex [ lindex $res 1] 1
+    } $uval
+    do_test badutf2-2.4.$i {
+      set sql "SELECT hex(CAST(x'$uval' AS text)) AS x;"
+      set res [ sqlite3_exec db $sql ]
+      lindex [ lindex $res 1] 1
+    } $uval
+  }
+
+  if {$hstr != "%00"} {
+    do_test badutf2-3.1.$i {
+      set sql "SELECT hex('$hstr') AS x;"
+      set res [ sqlite3_exec db $sql ]
+      lindex [ lindex $res 1] 1
+    } $uval
+  }
+
+  do_test badutf2-4.1.$i {
+    sqlite3_reset $S
+    sqlite3_bind_text $S 1 $xstr $len
+    sqlite3_step $S
+    utf8_to_ustr2 [ sqlite3_column_text $S 0 ]
+  } $ustr
+
+  ifcapable debug {
+    do_test badutf2-5.1.$i {
+      utf8_to_utf8 $uval
+    } $u2u
+  }
+
+}
+
+do_test badutf2-4.2 {
+  sqlite3_finalize $S
+} {SQLITE_OK}
+
+
+finish_test