[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/capi3d.test

+# 2008 June 18
+#
+# 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 is devoted to testing the sqlite3_next_stmt and
+# sqlite3_stmt_readonly and sqlite3_stmt_busy interfaces.
+#
+# $Id: capi3d.test,v 1.2 2008/07/14 15:11:20 drh Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Create N prepared statements against database connection db
+# and return a list of all the generated prepared statements.
+#
+proc make_prepared_statements {N} {
+  set plist {}
+  for {set i 0} {$i<$N} {incr i} {
+    set sql "SELECT $i FROM sqlite_master WHERE name LIKE '%$i%'"
+    if {rand()<0.33} {    
+      set s [sqlite3_prepare_v2 db $sql -1 notused]
+    } else {
+      ifcapable utf16 {
+        if {rand()<0.5} {
+          set sql [encoding convertto unicode $sql]\x00\x00
+          set s [sqlite3_prepare16 db $sql -1 notused]
+        } else {
+          set s [sqlite3_prepare db $sql -1 notused]
+        }
+      }
+      ifcapable !utf16 {
+        set s [sqlite3_prepare db $sql -1 notused]
+      }
+    }
+    lappend plist $s
+  }
+  return $plist
+}
+
+
+# Scramble the $inlist into a random order.
+#
+proc scramble {inlist} {
+  set y {}
+  foreach x $inlist {
+    lappend y [list [expr {rand()}] $x]
+  }
+  set y [lsort $y]
+  set outlist {}
+  foreach x $y {
+    lappend outlist [lindex $x 1]
+  }
+  return $outlist
+}
+
+# Database initially has no prepared statements.
+#
+do_test capi3d-1.1 {
+  db cache flush
+  sqlite3_next_stmt db 0
+} {}
+
+# Run the following tests for between 1 and 100 prepared statements.
+#
+for {set i 1} {$i<=100} {incr i} {
+  set stmtlist [make_prepared_statements $i]
+  do_test capi3d-1.2.$i.1 {
+    set p [sqlite3_next_stmt db 0]
+    set x {}
+    while {$p!=""} {
+      lappend x $p
+      set p [sqlite3_next_stmt db $p]
+    }
+    lsort $x
+  } [lsort $stmtlist]
+  do_test capi3-1.2.$i.2 {
+    foreach p [scramble $::stmtlist] {
+      sqlite3_finalize $p
+    }
+    sqlite3_next_stmt db 0
+  } {}
+}
+
+# Tests for the is-read-only interface.
+#
+proc test_is_readonly {testname sql truth} {
+  do_test $testname [format {
+    set DB [sqlite3_connection_pointer db]
+    set STMT [sqlite3_prepare $DB {%s} -1 TAIL]
+    set rc [sqlite3_stmt_readonly $STMT]
+    sqlite3_finalize $STMT
+    set rc
+  } $sql] $truth
+}
+
+test_is_readonly capi3d-2.1 {SELECT * FROM sqlite_master} 1
+test_is_readonly capi3d-2.2 {CREATE TABLE t1(x)} 0
+db eval {CREATE TABLE t1(x)}
+test_is_readonly capi3d-2.3 {INSERT INTO t1 VALUES(5)} 0
+test_is_readonly capi3d-2.4 {UPDATE t1 SET x=x+1 WHERE x<0} 0
+test_is_readonly capi3d-2.5 {SELECT * FROM t1} 1
+ifcapable wal {
+  test_is_readonly capi3d-2.6 {PRAGMA journal_mode=WAL} 0
+  test_is_readonly capi3d-2.7 {PRAGMA wal_checkpoint} 0
+}
+test_is_readonly capi3d-2.8 {PRAGMA application_id=1234} 0
+test_is_readonly capi3d-2.9 {VACUUM} 0
+test_is_readonly capi3d-2.10 {PRAGMA integrity_check} 1
+do_test capi3-2.99 {
+  sqlite3_stmt_readonly 0
+} 1
+
+# Tests for sqlite3_stmt_busy
+#
+do_test capi3d-3.1 {
+  db eval {INSERT INTO t1 VALUES(6); INSERT INTO t1 VALUES(7);}
+  set STMT [sqlite3_prepare db {SELECT * FROM t1} -1 TAIL]
+  sqlite3_stmt_busy $STMT
+} {0}
+do_test capi3d-3.2 {
+  sqlite3_step $STMT
+  sqlite3_stmt_busy $STMT
+} {1}
+do_test capi3d-3.3 {
+  sqlite3_step $STMT
+  sqlite3_stmt_busy $STMT
+} {1}
+do_test capi3d-3.4 {
+  sqlite3_reset $STMT
+  sqlite3_stmt_busy $STMT
+} {0}
+
+do_test capi3d-3.99 {
+  sqlite3_finalize $STMT
+  sqlite3_stmt_busy 0
+} {0}
+
+#--------------------------------------------------------------------------
+# Test the sqlite3_stmt_busy() function with ROLLBACK statements.
+#
+reset_db
+
+do_execsql_test capi3d-4.1 {
+  CREATE TABLE t4(x,y);
+  BEGIN;
+}
+
+do_test capi3d-4.2.1 {
+  set ::s1 [sqlite3_prepare_v2 db "ROLLBACK" -1 notused]
+  sqlite3_step $::s1
+} {SQLITE_DONE}
+
+do_test capi3d-4.2.2 {
+  sqlite3_stmt_busy $::s1
+} {0}
+
+do_catchsql_test capi3d-4.2.3 {
+  VACUUM
+} {0 {}}
+
+do_test capi3d-4.2.4 {
+  sqlite3_reset $::s1
+} {SQLITE_OK}
+
+do_catchsql_test capi3d-4.2.5 {
+  VACUUM
+} {0 {}}
+
+do_test capi3d-4.2.6 {
+  sqlite3_finalize $::s1
+} {SQLITE_OK}
+
+
+finish_test