Add new test file fts5corrupt4.test.

FossilOrigin-Name: 5dfc4fe98a4821cbdbfd7dfddf221b00251b2a26bf58767a3956b64e9a4e92da

ext/fts5/test/fts5corrupt4.test

@@ -0,0 +1,61 @@
+# 2019 May 16
+#
+# 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.
+#
+#***********************************************************************
+#
+#
+
+source [file join [file dirname [info script]] fts5_common.tcl]
+set testprefix fts5corrupt4
+
+# If SQLITE_ENABLE_FTS5 is defined, omit this file.
+ifcapable !fts5 {
+  finish_test
+  return
+}
+sqlite3_fts5_may_be_corrupt 1
+
+do_execsql_test 1.0 {
+  CREATE VIRTUAL TABLE ttt USING fts5(a, b); 
+  INSERT INTO ttt 
+     VALUES('e ee eee e ee eee e ee eee', 'eee ee e e e ee eee ee ee');
+  INSERT INTO ttt SELECT a||a, b||b FROM ttt;   
+  INSERT INTO ttt SELECT a||a, b||b FROM ttt;   
+}
+
+proc mutate {blob i} {
+  set o [expr {$i % [string length $blob]}]
+  set a [string range $blob 0 $o-1]
+  set b [string range $blob $o+1 end]
+  set v [expr int(rand()*255) - 127]
+  return "$a[binary format c $v]$b"
+}
+db func mutate mutate
+
+for {set j 1000} {$j <= 5000} {incr j 1000} {
+  do_test 1.$j {
+    for {set i 0} {$i < 1000} {incr i} {
+      execsql {
+        BEGIN;
+          UPDATE ttt_data SET block = mutate(block, $i) WHERE id>10;
+      }
+      foreach sql {
+        {SELECT snippet(ttt, -1, '.', '..', '[', ']'), * FROM ttt('e*')}
+        {SELECT snippet(ttt, -1, '.', '..', '[', ']'), * FROM ttt('e* NOT ee*')}
+      } {
+        catch { execsql $sql }
+      }
+      execsql ROLLBACK
+    }
+  } {}
+}
+
+sqlite3_fts5_may_be_corrupt 0
+finish_test
+

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\sharmless\suse-of-initialized-value\sfault\sin\sthe\sassert()\slogic\sadded\nby\scheck-in\s[d612fb7873cf59d]
-D 2019-05-16T11:47:16.802
+C Add\snew\stest\sfile\sfts5corrupt4.test.
+D 2019-05-16T16:44:47.855
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -158,6 +158,7 @@ F ext/fts5/test/fts5content.test 688d5ac7af194ebc67495daea76a69e3cd5480122c2320e
 F ext/fts5/test/fts5corrupt.test 77ae6f41a7eba10620efb921cf7dbe218b0ef232b04519deb43581cb17a57ebe
 F ext/fts5/test/fts5corrupt2.test 7453752ba12ce91690c469a6449d412561cc604b1dec994e16ab132952e7805f
 F ext/fts5/test/fts5corrupt3.test 9f64bc23eff5c89d01fdbf2214bf05109d5759ebb32c07d9740175fb80e2f89d
+F ext/fts5/test/fts5corrupt4.test ea805c4d7c68b5f185b9db5d2060a7ae5875339738dd48203c92162f41e7ca91
 F ext/fts5/test/fts5delete.test cbf87e3b8867c4d5cfcaed975c7475fd3f99d072bce2075fcedf43d1f82af775
 F ext/fts5/test/fts5detail.test 31b240dbf6d44ac3507e2f8b65f29fdc12465ffd531212378c7ce1066766f54e
 F ext/fts5/test/fts5determin.test 1b77879b2ae818b5b71c859e534ee334dac088b7cf3ff3bf76a2c82b1c788d11
@@ -1825,7 +1826,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P dff823ca8b5ca4a5611407b0231f89b2e8c981f50e85e361e76d3e4973cea8ca
-R 5cac7cac2aae9a027ca8b23269506de3
-U drh
-Z b31a97f638862af265326c481a9a46ed
+P 3dac90728a6a1962da478afe751582ddf8b6d4666548a805564817b21e07a246
+R 63eeb757d1b15e5973befcdcabc831a8
+U dan
+Z c85f31c74673c2143742eceb64530a13

manifest.uuid

@@ -1 +1 @@
-3dac90728a6a1962da478afe751582ddf8b6d4666548a805564817b21e07a246
+5dfc4fe98a4821cbdbfd7dfddf221b00251b2a26bf58767a3956b64e9a4e92da