Get `gn gen` to succeed on Windows

third_party/sqlite/src/test/lock6.test

Index: third_party/sqlite/src/test/lock6.test
diff --git a/third_party/sqlite/src/test/lock6.test b/third_party/sqlite/src/test/lock6.test
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index 0000000000000000000000000000000000000000..b47d18f7a9acfb294a93d0dd5b3232d8c851894e
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+# 2008 October 6
+#
+# 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 this script is database locks.
+#
+# $Id: lock6.test,v 1.3 2009/02/05 16:31:46 drh Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Launch another testfixture process to be controlled by this one. A
+# channel name is returned that may be passed as the first argument to proc
+# 'testfixture' to execute a command. The child testfixture process is shut
+# down by closing the channel.
+proc launch_testfixture {} {
+  set prg [info nameofexec]
+  if {$prg eq ""} {
+    set prg [file join . testfixture]
+  }
+  set chan [open "|$prg tf_main2.tcl" r+]
+  fconfigure $chan -buffering line
+  return $chan
+}
+
+# Execute a command in a child testfixture process, connected by two-way
+# channel $chan. Return the result of the command, or an error message.
+proc testfixture {chan cmd} {
+  puts $chan $cmd
+  puts $chan OVER
+  set r ""
+  while { 1 } {
+    set line [gets $chan]
+    if { $line == "OVER" } { 
+      return $r
+    }
+    append r $line
+  }
+}
+
+# Write the main loop for the child testfixture processes into file
+# tf_main2.tcl. The parent (this script) interacts with the child processes
+# via a two way pipe. The parent writes a script to the stdin of the child
+# process, followed by the word "OVER" on a line of its own. The child
+# process evaluates the script and writes the results to stdout, followed
+# by an "OVER" of its own.
+set f [open tf_main2.tcl w]
+puts $f {
+  set l [open log w]
+  set script ""
+  while {![eof stdin]} {
+    flush stdout
+    set line [gets stdin]
+    puts $l "READ $line"
+    if { $line == "OVER" } {
+      catch {eval $script} result
+      puts $result
+      puts $l "WRITE $result"
+      puts OVER
+      puts $l "WRITE OVER"
+      flush stdout
+      set script ""
+    } else {
+      append script $line
+      append script " ; "
+    }
+  }
+  close $l
+}
+close $f
+
+
+ifcapable lock_proxy_pragmas&&prefer_proxy_locking {
+  set sqlite_hostid_num 1
+
+  set using_proxy 0
+  foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
+    set using_proxy $value
+  }
+
+  # Test the lock_proxy_file pragmas.
+  #
+  set env(SQLITE_FORCE_PROXY_LOCKING) "1"
+
+  do_test lock6-1.1 {
+    set ::tf1 [launch_testfixture]
+    testfixture $::tf1 "sqlite3_test_control_pending_byte $::sqlite_pending_byte"
+    testfixture $::tf1 {
+      set sqlite_hostid_num 2    
+      sqlite3 db test.db -key xyzzy
+      set lockpath [db eval {
+        PRAGMA lock_proxy_file=":auto:";
+        select * from sqlite_master;
+        PRAGMA lock_proxy_file;
+      }]
+      string match "*test.db:auto:" $lockpath
+    }
+  } {1}
+  
+  set sqlite_hostid_num 3   
+  do_test lock6-1.2 {
+    execsql {pragma lock_status}
+  } {main unlocked temp closed}
+
+  sqlite3_soft_heap_limit 0
+  do_test lock6-1.3 {
+    list [catch {
+      sqlite3 db test.db
+      execsql { select * from sqlite_master } 
+    } msg] $msg
+  } {1 {database is locked}}
+
+  do_test lock6-1.4 {
+    set lockpath [execsql {
+      PRAGMA lock_proxy_file=":auto:";
+      PRAGMA lock_proxy_file;
+    } db]
+    set lockpath
+  } {{:auto: (not held)}}
+
+  do_test lock6-1.4.1 {
+    catchsql {
+      PRAGMA lock_proxy_file="notmine";
+      select * from sqlite_master;
+    } db
+  } {1 {database is locked}}
+
+  do_test lock6-1.4.2 {
+    execsql {
+      PRAGMA lock_proxy_file;
+    } db
+  } {notmine}
+    
+  do_test lock6-1.5 {
+    testfixture $::tf1 {
+      db eval {
+        BEGIN;
+        SELECT * FROM sqlite_master;
+      }
+    }
+  } {}
+
+  catch {testfixture $::tf1 {db close}}
+
+  do_test lock6-1.6 {
+    execsql {
+      PRAGMA lock_proxy_file="mine";
+      select * from sqlite_master;
+    } db
+  } {}
+  
+  catch {close $::tf1}
+  set env(SQLITE_FORCE_PROXY_LOCKING) $using_proxy
+  set sqlite_hostid_num 0
+
+  sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)
+}
+      
+finish_test