From: shane <shane@noemail.net>
Date: Thu, 4 Jun 2009 02:46:19 +0000 (+0000)
Subject: Minor tweak to test script to ensure every byte in file touched at least once. (CVS... 
X-Git-Tag: version-3.6.15~47
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bbc795fdaf9d98bd3a83e2458a1c618945524ab8;p=thirdparty%2Fsqlite.git

Minor tweak to test script to ensure every byte in file touched at least once. (CVS 6713)

FossilOrigin-Name: bc6c2d894b711361808a19b673803186d3a28369
---

diff --git a/manifest b/manifest
index 678d3b0a86..93faed846a 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\stwo\sinstances\swhere\sa\smalformed\sheader\sin\sa\sdatabase\sfile\s(in\sother\swords\na\scorrupt\sdatabase\sfile)\scan\slead\sto\san\sassertion\sfault.\s(CVS\s6712)
-D 2009-06-04T00:11:56
+C Minor\stweak\sto\stest\sscript\sto\sensure\severy\sbyte\sin\sfile\stouched\sat\sleast\sonce.\s(CVS\s6713)
+D 2009-06-04T02:46:20
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 8b8fb7823264331210cddf103831816c286ba446
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -290,7 +290,7 @@ F test/corrupt8.test 9992ef7f67cefc576b92373f6bf5ab8775280f51
 F test/corrupt9.test 794d284109c65c8f10a2b275479045e02d163bae
 F test/corruptA.test 99e95620b980161cb3e79f06a884a4bb8ae265ff
 F test/corruptB.test 505331779fe7a96fe38ecbb817f19c63bc27d171
-F test/corruptC.test 47d544f612b8a26a05900d65289abb1ae3b30837
+F test/corruptC.test 9b70fa2bfd33a58c32f6ce3a1b6d793b218c2955
 F test/corruptD.test b098214f314d4aa3aaba9b1219ee01ffe099c02a
 F test/count.test 99c78f584038fec8fe081447738307c9dc69e5e0
 F test/crash.test 1b6ac8410689ff78028887f445062dc897c9ac89
@@ -733,7 +733,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746
-P c54de1f54080de7e134d7b562498abb5337a0a46
-R 7496aea7018fc89b15559ae6cbed5102
-U drh
-Z 1fb96255d6fa155bab373917c29f3303
+P 4e92c7f20afa51849128aa1d784ab885b517a73d
+R 6c3f94297a246afd7faadc68772a84da
+U shane
+Z 0969cd8bf673070e19fdc7b97a370594
diff --git a/manifest.uuid b/manifest.uuid
index fb3445095b..d3def6d60c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-4e92c7f20afa51849128aa1d784ab885b517a73d
\ No newline at end of file
+bc6c2d894b711361808a19b673803186d3a28369
\ No newline at end of file
diff --git a/test/corruptC.test b/test/corruptC.test
index 63fc2fbf87..a5a342513d 100644
--- a/test/corruptC.test
+++ b/test/corruptC.test
@@ -15,7 +15,7 @@
 # data base file, then tests that single byte corruptions in 
 # increasingly larger quantities are handled gracefully.
 #
-# $Id: corruptC.test,v 1.11 2009/04/11 16:06:15 danielk1977 Exp $
+# $Id: corruptC.test,v 1.12 2009/06/04 02:46:20 shane Exp $
 
 catch {file delete -force test.db test.db-journal test.bu}
 
@@ -275,8 +275,10 @@ do_test corruptC-2.14 {
 } {1 {database disk image is malformed}}
 
 #
-# now test for a series of quasi-random seeds
-for {set tn 0} {$tn<1024} {incr tn 1} {
+# Now test for a series of quasi-random seeds.
+# We loop over the entire file size and touch
+# each byte at least once.
+for {set tn 0} {$tn<$fsize} {incr tn 1} {
 
   # setup for test
   db close
@@ -290,9 +292,16 @@ for {set tn 0} {$tn<1024} {incr tn 1} {
   set last 0
   for {set i 1} {$i<=512 && !$last} {incr i 1} {
 
-    # insert random byte at random location
     db close
-    set roffset [random $fsize]
+    if {$i==1} {
+      # on the first corrupt value, use location $tn
+      # this ensures that we touch each location in the 
+      # file at least once.
+      set roffset $tn
+    } else { 
+      # insert random byte at random location
+      set roffset [random $fsize]
+    }
     set rbyte [format %02x [random 255]]
 
     # You can uncomment the following to have it trace