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# 2011 Jan 21
#
# 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 implements tests for the "sqlite3_trace()" API. Specifically,
# it tests the special handling of nested SQL statements (those executed
# by virtual table or user function callbacks). These statements are treated
# differently in two respects:
#
# 1. Each line of the statement is prefixed with "-- " to turn it into
# an SQL comment.
#
# 2. Parameter expansion is not performed.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !trace { finish_test ; return }
set ::testprefix trace2
proc sql {zSql} { db one $zSql }
proc trace {zSql} { lappend ::trace $zSql }
db func sql sql
db trace trace
proc do_trace_test {tn sql expected} {
# Test that the list of string passed to the trace callback when $sql
# is executed is equivalent to the list of strings in $expected.
#
set ::trace [list]
execsql $sql
uplevel do_test $tn [list {set ::trace}] [list [list {*}$expected]]
}
proc do_trace_select_test {tn sql expected} {
uplevel [list do_trace_test ${tn}.a $sql $expected]
# Now execute each SQL statement passed to the trace callback in the
# block above. Check that this causes the same set of strings to be
# passed to the trace callback again. i.e. that executing the output
# of the trace callback is equivalent to the SQL script in $sql.
#
set sqllist $::trace
set ::trace [list]
foreach item $sqllist { execsql $item }
uplevel do_test $tn.b [list {set ::trace}] [list $sqllist]
}
do_trace_select_test 1.1 {
SELECT 1, 2, 3;
} {
"SELECT 1, 2, 3;"
}
do_trace_select_test 1.2 {
SELECT sql('SELECT 1, 2, 3');
} {
"SELECT sql('SELECT 1, 2, 3');"
"-- SELECT 1, 2, 3"
}
do_trace_select_test 1.3 {
SELECT sql('SELECT 1,
2,
3'
);
} {
"SELECT sql('SELECT 1,
2,
3'
);"
"-- SELECT 1,
-- 2,
-- 3"
}
do_trace_select_test 1.4 {
SELECT sql('SELECT 1,
3'
);
} {
"SELECT sql('SELECT 1,
3'
);"
"-- SELECT 1,
--
--
-- 3"
}
do_trace_select_test 1.5 {
SELECT $var, sql('SELECT 1,
$var,
3'
);
} {
"SELECT NULL, sql('SELECT 1,
$var,
3'
);"
"-- SELECT 1,
-- $var,
-- 3"
}
ifcapable fts3 {
do_execsql_test 2.1 {
CREATE VIRTUAL TABLE x1 USING fts4;
INSERT INTO x1 VALUES('Cloudy, with a high near 16');
INSERT INTO x1 VALUES('Wind chill values as low as -13');
}
do_trace_test 2.2 {
INSERT INTO x1 VALUES('North northwest wind between 8 and 14 mph');
} {
"INSERT INTO x1 VALUES('North northwest wind between 8 and 14 mph');"
"-- DELETE FROM 'main'.'x1_segdir' WHERE level = ?"
"-- INSERT INTO 'main'.'x1_content' VALUES(?,(?))"
"-- REPLACE INTO 'main'.'x1_docsize' VALUES(?,?)"
"-- SELECT value FROM 'main'.'x1_stat' WHERE id=?"
"-- REPLACE INTO 'main'.'x1_stat' VALUES(?,?)"
"-- SELECT (SELECT max(idx) FROM 'main'.'x1_segdir' WHERE level = ?) + 1"
"-- SELECT coalesce((SELECT max(blockid) FROM 'main'.'x1_segments') + 1, 1)"
"-- REPLACE INTO 'main'.'x1_segdir' VALUES(?,?,?,?,?,?)"
"-- SELECT level, idx, end_block FROM 'main'.'x1_segdir' WHERE level BETWEEN ? AND ? ORDER BY level DESC, idx ASC"
}
do_trace_test 2.3 {
INSERT INTO x1(x1) VALUES('optimize');
} {
"INSERT INTO x1(x1) VALUES('optimize');"
"-- SELECT ? UNION SELECT level / (1024 * ?) FROM 'main'.'x1_segdir'"
"-- SELECT idx, start_block, leaves_end_block, end_block, root FROM 'main'.'x1_segdir' WHERE level BETWEEN ? AND ?ORDER BY level DESC, idx ASC"
"-- SELECT max(level) FROM 'main'.'x1_segdir' WHERE level BETWEEN ? AND ?"
"-- SELECT coalesce((SELECT max(blockid) FROM 'main'.'x1_segments') + 1, 1)"
"-- DELETE FROM 'main'.'x1_segdir' WHERE level BETWEEN ? AND ?"
"-- REPLACE INTO 'main'.'x1_segdir' VALUES(?,?,?,?,?,?)"
}
}
finish_test
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