Index: third_party/sqlite/sqlite-src-3080704/test/ptrchng.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/ptrchng.test b/third_party/sqlite/sqlite-src-3080704/test/ptrchng.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..75525f981c5755ad13cbd5896bcd010abd7dfc2c |
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+++ b/third_party/sqlite/sqlite-src-3080704/test/ptrchng.test |
@@ -0,0 +1,223 @@ |
+# 2007 April 27 |
+# |
+# 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 the tests in this file are to verify that the |
+# underlying TEXT or BLOB representation of an sqlite3_value |
+# changes appropriately when APIs from the following set are |
+# called: |
+# |
+# sqlite3_value_text() |
+# sqlite3_value_text16() |
+# sqlite3_value_blob() |
+# sqlite3_value_bytes() |
+# sqlite3_value_bytes16() |
+# |
+# $Id: ptrchng.test,v 1.5 2008/07/12 14:52:20 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+ifcapable !bloblit { |
+ finish_test |
+ return |
+} |
+ |
+# Register the "pointer_change" SQL function. |
+# |
+sqlite3_create_function db |
+ |
+do_test ptrchng-1.1 { |
+ execsql { |
+ CREATE TABLE t1(x INTEGER PRIMARY KEY, y BLOB); |
+ INSERT INTO t1 VALUES(1, 'abc'); |
+ INSERT INTO t1 VALUES(2, |
+ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234356789'); |
+ INSERT INTO t1 VALUES(3, x'626c6f62'); |
+ INSERT INTO t1 VALUES(4, |
+ x'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2021222324' |
+ ); |
+ SELECT count(*) FROM t1; |
+ } |
+} {4} |
+ |
+# For the short entries that fit in the Mem.zBuf[], the pointer should |
+# never change regardless of what type conversions occur. |
+# |
+# UPDATE: No longer true, as Mem.zBuf[] has been removed. |
+# |
+do_test ptrchng-2.1 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=1 |
+ } |
+} {0} |
+do_test ptrchng-2.2 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=1 |
+ } |
+} {0} |
+ifcapable utf16 { |
+ do_test ptrchng-2.3 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=1 |
+ } |
+ } {1} |
+ do_test ptrchng-2.4 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=1 |
+ } |
+ } {1} |
+ do_test ptrchng-2.5 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=1 |
+ } |
+ } {0} |
+ do_test ptrchng-2.6 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=1 |
+ } |
+ } {1} |
+} |
+do_test ptrchng-2.11 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=3 |
+ } |
+} {0} |
+do_test ptrchng-2.12 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=3 |
+ } |
+} {0} |
+ifcapable utf16 { |
+ do_test ptrchng-2.13 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=3 |
+ } |
+ } {1} |
+ do_test ptrchng-2.14 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=3 |
+ } |
+ } {1} |
+ do_test ptrchng-2.15 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=3 |
+ } |
+ } {0} |
+ do_test ptrchng-2.16 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=3 |
+ } |
+ } {1} |
+} |
+ |
+# For the long entries that do not fit in the Mem.zBuf[], the pointer |
+# should change sometimes. |
+# |
+do_test ptrchng-3.1 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=2 |
+ } |
+} {0} |
+do_test ptrchng-3.2 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=2 |
+ } |
+} {0} |
+ifcapable utf16 { |
+ do_test ptrchng-3.3 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=2 |
+ } |
+ } {1} |
+ do_test ptrchng-3.4 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=2 |
+ } |
+ } {1} |
+ do_test ptrchng-3.5 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=2 |
+ } |
+ } {0} |
+ do_test ptrchng-3.6 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=2 |
+ } |
+ } {1} |
+} |
+do_test ptrchng-3.11 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=4 |
+ } |
+} {0} |
+do_test ptrchng-3.12 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=4 |
+ } |
+} {0} |
+ifcapable utf16 { |
+ do_test ptrchng-3.13 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=4 |
+ } |
+ } {1} |
+ do_test ptrchng-3.14 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=4 |
+ } |
+ } {1} |
+ do_test ptrchng-3.15 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=4 |
+ } |
+ } {0} |
+ do_test ptrchng-3.16 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=4 |
+ } |
+ } {1} |
+} |
+ |
+# A call to _bytes() should never reformat a _text() or _blob(). |
+# |
+do_test ptrchng-4.1 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'bytes', 'text') FROM t1 |
+ } |
+} {0 0 0 0} |
+do_test ptrchng-4.2 { |
+ execsql { |
+ SELECT pointer_change(y, 'blob', 'bytes', 'blob') FROM t1 |
+ } |
+} {0 0 0 0} |
+ |
+# A call to _blob() should never trigger a reformat |
+# |
+do_test ptrchng-5.1 { |
+ execsql { |
+ SELECT pointer_change(y, 'text', 'bytes', 'blob') FROM t1 |
+ } |
+} {0 0 0 0} |
+ifcapable utf16 { |
+ do_test ptrchng-5.2 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 |
+ } |
+ } {0 0 0 0} |
+ do_test ptrchng-5.3 { |
+ execsql { |
+ SELECT pointer_change(y, 'text16', 'bytes16', 'blob') FROM t1 |
+ } |
+ } {0 0 0 0} |
+} |
+ |
+finish_test |