Add support for portable path modifer and dot character escaping inversion

9 files changed, 773 insertions, 333 deletions

diff --git a/tests/test/script/builtin/cat.test b/tests/test/script/builtin/cat.test
index 89301cd..f5041fc 100644
--- a/tests/test/script/builtin/cat.test
+++ b/tests/test/script/builtin/cat.test
@@ -60,8 +60,8 @@ $b
 : non-existent
 :
 $c <<EOI;
-cat in 2>>~%EOE% != 0
-%cat: unable to print '.+[/\\]test[/\\]cat[/\\]non-existent[/\\]test[/\\]1[/\\]in': .+%
+cat in 2>>/~%EOE% != 0
+%cat: unable to print '.+/test/cat/non-existent/test/1/in': .+%
 EOE
 EOI
 $b
diff --git a/tests/test/script/builtin/mkdir.test b/tests/test/script/builtin/mkdir.test
index 8ad2714..ace4012 100644
--- a/tests/test/script/builtin/mkdir.test
+++ b/tests/test/script/builtin/mkdir.test
@@ -56,8 +56,8 @@ $b
 : Test creation of an existing directory.
 :
 $c <<EOI;
-mkdir a a 2>>~%EOE% == 1
-%mkdir: unable to create directory '.+[/\\]test[/\\]mkdir[/\\]already-exists[/\\]test[/\\]1[/\\]a': .+%
+mkdir a a 2>>/~%EOE% == 1
+%mkdir: unable to create directory '.+/test/mkdir/already-exists/test/1/a': .+%
 EOE
 EOI
 $b
@@ -67,8 +67,8 @@ $b
 : Test creation of a directory with non-existent parent.
 :
 $c <<EOI;
-mkdir a/b 2>>~%EOE% == 1
-%mkdir: unable to create directory '.+[/\\]test[/\\]mkdir[/\\]not-exists[/\\]test[/\\]1[/\\]a[/\\]b': .+%
+mkdir a/b 2>>/~%EOE% == 1
+%mkdir: unable to create directory '.+/test/mkdir/not-exists/test/1/a/b': .+%
 EOE
 EOI
 $b
diff --git a/tests/test/script/builtin/rm.test b/tests/test/script/builtin/rm.test
index cd4a922..a6de003 100644
--- a/tests/test/script/builtin/rm.test
+++ b/tests/test/script/builtin/rm.test
@@ -40,8 +40,8 @@
   : Removing non-existing file fails.
   :
   $c <<EOI;
-  rm a 2>>~%EOE% == 1
-  %rm: unable to remove '.+[/\\]test[/\\]rm[/\\]file[/\\]not-exists[/\\]test[/\\]1[/\\]a': .+%
+  rm a 2>>/~%EOE% == 1
+  %rm: unable to remove '.+/test/rm/file/not-exists/test/1/a': .+%
   EOE
   EOI
   $b
@@ -106,8 +106,8 @@
   :
   :
   $c <<EOI;
-  rm ../../a/b/c 2>>~%EOE% == 1
-  %rm: '.+[/\\]path[/\\]outside-scope[/\\]a[/\\]b[/\\]c' is out of working directory '.+[/\\]outside-scope[/\\]test'%
+  rm ../../a/b/c 2>>/~%EOE% == 1
+  %rm: '.+/path/outside-scope/a/b/c' is out of working directory '.+/outside-scope/test'%
   EOE
   EOI
   $b
diff --git a/tests/test/script/runner/buildfile b/tests/test/script/runner/buildfile
index 1ea8643..86c18e2 100644
--- a/tests/test/script/runner/buildfile
+++ b/tests/test/script/runner/buildfile
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{cleanup redirect status} exe{driver} $b
+./: test{cleanup redirect regex status} exe{driver} $b
 
 test{*}: target = exe{driver}
 
diff --git a/tests/test/script/runner/cleanup.test b/tests/test/script/runner/cleanup.test
index 3dfd73e..ed724ee 100644
--- a/tests/test/script/runner/cleanup.test
+++ b/tests/test/script/runner/cleanup.test
@@ -56,8 +56,8 @@ b += --no-column
   : Test cleanup of non-existing file.
   :
   $c <'$* &a';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup file test[/\\]1[/\\]a does not exist%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup file test/1/a does not exist
   EOE
 
   : out-wd
@@ -65,8 +65,8 @@ b += --no-column
   : Test explicit cleanup of a file out of the testscript working directory.
   :
   $c <'$* &../../a';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: file cleanup \.\.[/\\]\.\.[/\\]a is out of working directory test[/\\]%
+  $b 2>>/EOE != 0
+  testscript:1: error: file cleanup ../../a is out of working directory test/
   EOE
 
   : in-wd
@@ -75,8 +75,8 @@ b += --no-column
   : directory but inside the script working directory.
   :
   $c <'$* &../a';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup file test[/\\]a does not exist%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup file test/a does not exist
   EOE
 
   : not-file
@@ -84,8 +84,8 @@ b += --no-column
   : Test cleanup of a directory as a file.
   :
   $c <'$* -d a &a';
-  $b 2>>~%EOE% != 0
-  %error: unable to remove file test[/\\]1[/\\]a: .+%
+  $b 2>>/~%EOE% != 0
+  %error: unable to remove file test/1/a: .+%
   EOE
 }
 
@@ -119,8 +119,8 @@ b += --no-column
   : Test cleanup of non-existing directory.
   :
   $c <'$* &a/';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup directory test[/\\]1[/\\]a[/\\] does not exist%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup directory test/1/a/ does not exist
   EOE
 
   : out-wd
@@ -128,8 +128,8 @@ b += --no-column
   : Test cleanup of a directory out of the testscript working directory.
   :
   $c <'$* &../../a/';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: directory cleanup \.\.[/\\]\.\.[/\\]a[/\\] is out of working directory test[/\\]%
+  $b 2>>/EOE != 0
+  testscript:1: error: directory cleanup ../../a/ is out of working directory test/
   EOE
 
   : in-wd
@@ -138,8 +138,8 @@ b += --no-column
   : working directory but inside the testscript working directory.
   :
   $c <'$* &../a/';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup directory test[/\\]a[/\\] does not exist%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup directory test/a/ does not exist
   EOE
 
   : not-empty
@@ -147,8 +147,8 @@ b += --no-column
   : Test cleanup of a non-empty directory.
   :
   $c <'$* -d a -f a/b &a/';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup directory test[/\\]1[/\\]a[/\\] is not empty%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup directory test/1/a/ is not empty
   EOE
 
   : not-dir
@@ -156,8 +156,8 @@ b += --no-column
   : Test cleanup of a file as a directory.
   :
   $c <'$* -f a &a/';
-  $b 2>>~%EOE% != 0
-  %error: unable to remove directory test[/\\]1[/\\]a[/\\]: .+%
+  $b 2>>/~%EOE% != 0
+  %error: unable to remove directory test/1/a/: .+%
   EOE
 }
 
@@ -179,8 +179,8 @@ b += --no-column
   : Test cleanup of a wildcard not matching any directory.
   :
   $c <'$* &a/***';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup wildcard test[/\\]1[/\\]a[/\\]\*\*\* doesn't match a directory%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup wildcard test/1/a/*** doesn't match a directory
   EOE
 
   : out-wd
@@ -188,8 +188,8 @@ b += --no-column
   : Test cleanup of a wildcard out of the testscript working directory.
   :
   $c <'$* &../../a/***';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: wildcard cleanup \.\.[/\\]\.\.[/\\]a[/\\]\*\*\* is out of working directory test[/\\]%
+  $b 2>>/EOE != 0
+  testscript:1: error: wildcard cleanup ../../a/*** is out of working directory test/
   EOE
 
   : in-wd
@@ -199,8 +199,8 @@ b += --no-column
   : directory.
   :
   $c <'$* &../a/***';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: registered for cleanup wildcard test[/\\]a[/\\]\*\*\* doesn't match a directory%
+  $b 2>>/EOE != 0
+  testscript:1: error: registered for cleanup wildcard test/a/*** doesn't match a directory
   EOE
 
   : not-dir
@@ -208,8 +208,8 @@ b += --no-column
   : Test cleanup of a file as a wildcard.
   :
   $c <'$* -f a &a/***';
-  $b 2>>~%EOE% != 0
-  %error: unable to remove directory test[/\\]1[/\\]a[/\\]: .+%
+  $b 2>>/~%EOE% != 0
+  %error: unable to remove directory test/1/a/: .+%
   EOE
 }
 
@@ -225,8 +225,8 @@ $b
 : Test an implicit cleanup being overwritten with the explicit one,
 :
 $c <'$* -o foo >>>a &!a';
-$b 2>>~%EOE% != 0
-%testscript:1: error: registered for cleanup directory test[/\\]1[/\\] is not empty%
+$b 2>>/EOE != 0
+testscript:1: error: registered for cleanup directory test/1/ is not empty
 EOE
 
 : explicit-overwrite
@@ -237,6 +237,6 @@ $c <<EOO;
 $* &!a;
 $* -o foo >>>a
 EOO
-$b 2>>~%EOE% != 0
-%testscript:2: error: registered for cleanup directory test[/\\]1[/\\] is not empty%
+$b 2>>/EOE != 0
+testscript:2: error: registered for cleanup directory test/1/ is not empty
 EOE
diff --git a/tests/test/script/runner/driver.cxx b/tests/test/script/runner/driver.cxx
index 6921e4c..ff91926 100644
--- a/tests/test/script/runner/driver.cxx
+++ b/tests/test/script/runner/driver.cxx
@@ -72,6 +72,7 @@ main (int argc, char* argv[])
   optional<int> status;
   char aterm ('\0');    // Abnormal termination method.
 
+  cin.exceptions  (ostream::failbit | ostream::badbit);
   cout.exceptions (ostream::failbit | ostream::badbit);
   cerr.exceptions (ostream::failbit | ostream::badbit);
 
diff --git a/tests/test/script/runner/redirect.test b/tests/test/script/runner/redirect.test
index 72e49b2..e2d765c 100644
--- a/tests/test/script/runner/redirect.test
+++ b/tests/test/script/runner/redirect.test
@@ -6,6 +6,9 @@
 
 b += --no-column
 
+ps  = ($cxx.target.class != 'windows' ? '/' : '\')  # Path separator.
+psr = ($cxx.target.class != 'windows' ? '/' : '\\') # Path separator in regex.
+
 : null
 :
 {
@@ -23,279 +26,440 @@ b += --no-column
 : str
 :
 {
-  : in
+  : literal
   :
-  $c <'$* -i 0 <foo';
-  $b
+  {
+    : in
+    :
+    $c <'$* -i 0 <foo';
+    $b
 
-  : out
-  :
-  $c <'$* -o foo >foo';
-  $b
+    : out
+    :
+    $c <'$* -o foo >foo';
+    $b
 
-  : err
-  :
-  $c <'$* -e foo 2>foo';
-  $b
+    : err
+    :
+    $c <'$* -e foo 2>foo';
+    $b
 
-  : inout
-  :
-  $c <'$* -i 1 <foo >foo';
-  $b
+    : inout
+    :
+    $c <'$* -i 1 <foo >foo';
+    $b
 
-  : inout-fail
-  :
-  $c <'$* -i 1 <foo >bar';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? stdout doesn't match the expected output%
-  %  info: stdout: test[/\\]1[/\\]stdout%
-  %  info: expected stdout: test[/\\]1[/\\]stdout\.orig%
-  %  info: stdout diff: test[/\\]1[/\\]stdout\.diff%
-  %  info: stdin: test[/\\]1[/\\]stdin%
-  %--- .*%
-  %\+\+\+ .*%
-  %@@ .*%
-  -bar
-  +foo
-  EOE
-
-  : inerr
-  :
-  $c <'$* -i 2 <foo 2>foo';
-  $b
+    : inout-fail
+    :
+    $c <'$* -i 1 <foo >bar';
+    $b 2>>/~%EOE%d != 0
+    %testscript:1: error: ../../../../../driver(.exe)? stdout doesn't match the expected output%
+      info: stdout: test/1/stdout
+      info: expected stdout: test/1/stdout.orig
+      info: stdout diff: test/1/stdout.diff
+      info: stdin: test/1/stdin
+    %--- \.*%
+    %\+\+\+ \.*%
+    %@@ \.*%
+    -bar
+    +foo
+    EOE
 
-  : inout-err
-  :
-  $c <'$* -i 1 -e bar <foo 1>foo 2>bar';
-  $b
+    : inerr
+    :
+    $c <'$* -i 2 <foo 2>foo';
+    $b
 
-  : empty
-  :
-  $c <'$* -o "" >""';
-  $b
+    : inout-err
+    :
+    $c <'$* -i 1 -e bar <foo 1>foo 2>bar';
+    $b
 
-  : no-newline
-  :
-  $c <'$* -i 1 <:"foo" >:"foo"';
-  $b
+    : empty
+    :
+    $c <'$* -o "" >""';
+    $b
 
-  : no-newline-empty
-  :
-  $c <'$* -i 1 <:"" >:""';
-  $b
+    : no-newline
+    :
+    $c <'$* -i 1 <:"foo" >:"foo"';
+    $b
 
-  : no-newline-fail1
+    : no-newline-empty
+    :
+    $c <'$* -i 1 <:"" >:""';
+    $b
+
+    : no-newline-fail1
+    :
+    $c <'$* -i 1 <:"foo" >"foo"';
+    $b 2>>~/EOE/ != 0
+    /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
+    /.{7}
+    -foo
+    +foo
+    \ No newline at end of file
+    EOE
+
+    : no-newline-fail2
+    :
+    $c <'$* -i 1 <"foo" >:"foo"';
+    $b 2>>~/EOE/ != 0
+    /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
+    /.{7}
+    -foo
+    \ No newline at end of file
+    +foo
+    EOE
+
+    : merge
+    :
+    $c <<EOI;
+    $* -o foo -e bar 2>>EOE 1>&2
+    foo
+    bar
+    EOE
+    EOI
+    $b
+
+    : portable-path
+    :
+    {
+      : in
+      :
+      $c <"\$* -i 1 </'foo/' >'foo$ps'";
+      $b
+
+      : out
+      :
+      $c <"\$* -i 1 <'foo$ps' >/'foo/'";
+      $b
+
+      : err
+      :
+      $c <"\$* -i 2 <'foo$ps' 2>/'foo/'";
+      $b
+    }
+  }
+
+  : regex
   :
-  $c <'$* -i 1 <:"foo" >"foo"';
-  $b 2>>~/EOE/ != 0
-  /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
-  /.{7}
-  -foo
-  +foo
-  \ No newline at end of file
-  EOE
-
-  : no-newline-fail2
+  : Test regex matching. Note that tests that check regex parsing are located
+  : in regex.test testscript.
   :
-  $c <'$* -i 1 <"foo" >:"foo"';
-  $b 2>>~/EOE/ != 0
-  /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
-  /.{7}
-  -foo
-  \ No newline at end of file
-  +foo
-  EOE
+  {
+    : match
+    :
+    $c <'$* -o foo >~/Foo?/i';
+    $b
 
-  : merge
-  :
-  $c <<EOI;
-  $* -o foo -e bar 2>>EOE 1>&2
-  foo
-  bar
-  EOE
-  EOI
-  $b
+    : mismatch
+    :
+    $c <'$* -o fooo >~/Foo?/i';
+    $b 2>>/~%EOE%d != 0
+    %testscript:1: error: ../../../../../driver(.exe)? stdout doesn't match the regex%
+      info: stdout: test/1/stdout
+      info: stdout regex: test/1/stdout.regex
+    EOE
+
+    : portable-path-failure
+    :
+    : Note that we check not only build2 diagnostics being produced, but also
+    : the correctness of regex being saved to file (for troubleshooting).
+    :
+    {
+      : newline
+      :
+      $c <"\$* -i 1 <'foo' >/~%bar/%";
+      $b 2>>/~%EOE%d != 0;
+      %testscript:1: error: ../../../../../../driver(.exe)? stdout doesn't match the regex%
+        info: stdout: test/1/stdout
+        info: stdout regex: test/1/stdout.regex
+        info: stdin: test/1/stdin
+      EOE
+      cat test/1/stdout.regex >"%bar$psr%"
+
+      : no-newline
+      :
+      $c <"\$* -i 1 <'foo' >:/~%bar/%";
+      $b 2>>/~%EOE%d != 0;
+      %testscript:1: error: ../../../../../../driver(.exe)? stdout doesn't match the regex%
+        info: stdout: test/1/stdout
+        info: stdout regex: test/1/stdout.regex
+        info: stdin: test/1/stdin
+      EOE
+      cat test/1/stdout.regex >:"%bar$psr%"
+    }
+  }
 }
 
 : doc
 :
 {
-  : in
+  : literal
   :
-  $c <<EOI;
-  $* -i 0 <<EOO
-  foo
-  bar
-  EOO
-  EOI
-  $b
+  {
+    : in
+    :
+    $c <<EOI;
+    $* -i 0 <<EOO
+    foo
+    bar
+    EOO
+    EOI
+    $b
 
-  : out
-  :
-  $c <<EOI;
-  $* -o foo -o bar >>EOO
-  foo
-  bar
-  EOO
-  EOI
-  $b
+    : out
+    :
+    $c <<EOI;
+    $* -o foo -o bar >>EOO
+    foo
+    bar
+    EOO
+    EOI
+    $b
 
-  : err
-  :
-  $c <<EOI;
-  $* -e foo -e bar 2>>EOO
-  foo
-  bar
-  EOO
-  EOI
-  $b
+    : err
+    :
+    $c <<EOI;
+    $* -e foo -e bar 2>>EOO
+    foo
+    bar
+    EOO
+    EOI
+    $b
 
-  : inout
-  :
-  $c <<EOI;
-  $* -i 1 <<EOF >>EOO
-  foo
-  bar
-  EOF
-  foo
-  bar
-  EOO
-  EOI
-  $b
+    : inout
+    :
+    $c <<EOI;
+    $* -i 1 <<EOF >>EOO
+    foo
+    bar
+    EOF
+    foo
+    bar
+    EOO
+    EOI
+    $b
 
-  : inerr
-  :
-  $c <<EOI;
-  $* -i 2 <<EOF 2>>EOE
-  foo
-  bar
-  EOF
-  foo
-  bar
-  EOE
-  EOI
-  $b
+    : inerr
+    :
+    $c <<EOI;
+    $* -i 2 <<EOF 2>>EOE
+    foo
+    bar
+    EOF
+    foo
+    bar
+    EOE
+    EOI
+    $b
 
-  : empty
-  :
-  $c <<EOI;
-  $* -i 1 <<EOF >>EOO
-  EOF
-  EOO
-  EOI
-  $b
+    : empty
+    :
+    $c <<EOI;
+    $* -i 1 <<EOF >>EOO
+    EOF
+    EOO
+    EOI
+    $b
 
-  : extra-newline
-  :
-  $c <<EOI;
-  $* -i 1 <<EOF >>EOO
+    : extra-newline
+    :
+    $c <<EOI;
+    $* -i 1 <<EOF >>EOO
 
-  EOF
+    EOF
 
-  EOO
-  EOI
-  $b
+    EOO
+    EOI
+    $b
 
-  : no-newline
-  :
-  $c <<EOI;
-  $* -i 1 <<:EOF >>:EOO
-  foo
-  EOF
-  foo
-  EOO
-  EOI
-  $b
+    : no-newline
+    :
+    $c <<EOI;
+    $* -i 1 <<:EOF >>:EOO
+    foo
+    EOF
+    foo
+    EOO
+    EOI
+    $b
 
-  : no-newline-fail1
-  :
-  $c <<EOI;
-  $* -i 1 <<:EOF >>EOO
-  foo
-  EOF
-  foo
-  EOO
-  EOI
-  $b 2>>~/EOE/ != 0
-  /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
-  /.{7}
-  -foo
-  +foo
-  \ No newline at end of file
-  EOE
-
-  : no-newline-fail2
-  :
-  $c <<EOI;
-  $* -i 1 <<EOF >>:EOO
-  foo
-  EOF
-  foo
-  EOO
-  EOI
-  $b 2>>~/EOE/ != 0
-  /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
-  /.{7}
-  -foo
-  \ No newline at end of file
-  +foo
-  EOE
-
-  : no-newline-empty
-  :
-  $c <<EOI;
-  $* -i 1 <<:EOF >>:EOO
-  EOF
-  EOO
-  EOI
-  $b
+    : no-newline-fail1
+    :
+    $c <<EOI;
+    $* -i 1 <<:EOF >>EOO
+    foo
+    EOF
+    foo
+    EOO
+    EOI
+    $b 2>>~/EOE/ != 0
+    /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
+    /.{7}
+    -foo
+    +foo
+    \ No newline at end of file
+    EOE
 
-  : no-newline-extra-newline
-  :
-  $c <<EOI;
-  $* -i 1 <<:EOF >>:EOO
+    : no-newline-fail2
+    :
+    $c <<EOI;
+    $* -i 1 <<EOF >>:EOO
+    foo
+    EOF
+    foo
+    EOO
+    EOI
+    $b 2>>~/EOE/ != 0
+    /testscript:1: error: .+driver(\.exe)? stdout doesn't match the expected output/
+    /.{7}
+    -foo
+    \ No newline at end of file
+    +foo
+    EOE
 
-  EOF
+    : no-newline-empty
+    :
+    $c <<EOI;
+    $* -i 1 <<:EOF >>:EOO
+    EOF
+    EOO
+    EOI
+    $b
 
-  EOO
-  EOI
-  $b
+    : no-newline-extra-newline
+    :
+    $c <<EOI;
+    $* -i 1 <<:EOF >>:EOO
 
-  : merge
-  :
-  $c <<EOI;
-  $* -i 1 <<EOF -e baz >>EOO 2>&1
-  foo
-  bar
-  EOF
-  foo
-  bar
-  baz
-  EOO
-  EOI
-  $b
+    EOF
+
+    EOO
+    EOI
+    $b
+
+    : merge
+    :
+    $c <<EOI;
+    $* -i 1 <<EOF -e baz >>EOO 2>&1
+    foo
+    bar
+    EOF
+    foo
+    bar
+    baz
+    EOO
+    EOI
+    $b
 
-  : large-diff
+    : large-diff
+    :
+    : Make sure that the large (>4KB) expected/real output difference is not
+    : printed as a part of the diagnostics.
+    :
+    $c <<EOI;
+    s="------------------------------------------------------------------------";
+    s="$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s";
+    $* -i 1 <<"EOF" >>"EOO"
+    $s
+    EOF
+    x$s
+    EOO
+    EOI
+    $b 2>>/~%EOE%d != 0
+    %testscript:3: error: ../../../../../driver(.exe)? stdout doesn't match the expected output%
+      info: stdout: test/1/stdout
+      info: expected stdout: test/1/stdout.orig
+      info: stdout diff: test/1/stdout.diff
+      info: stdin: test/1/stdin
+    EOE
+
+    : portable-path
+    :
+    {
+      : in
+      :
+      $c <<"EOI";
+      \$* -i 1 <</EOF >'foo$ps'
+      foo/
+      EOF
+      EOI
+      $b
+
+      : out
+      :
+      $c <<"EOI";
+      \$* -i 1 <'foo$ps' >>/EOO
+      foo/
+      EOO
+      EOI
+      $b
+
+      : err
+      :
+      $c <<"EOI";
+      \$* -i 2 <'foo$ps' 2>>/EOE
+      foo/
+      EOE
+      EOI
+      $b
+    }
+  }
+
+  : regex
   :
-  : Make sure that the large (>4KB) expected/real output difference is not
-  : printed as a part of the diagnostics.
+  : Test regex matching. Note that tests that check regex parsing are located
+  : in regex.test testscript.
   :
-  $c <<EOI;
-  s="------------------------------------------------------------------------";
-  s="$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s$s";
-  $* -i 1 <<"EOF" >>"EOO"
-  $s
-  EOF
-  x$s
-  EOO
-  EOI
-  $b 2>>~%EOE% != 0
-  %testscript:3: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? stdout doesn't match the expected output%
-  %  info: stdout: test[/\\]1[/\\]stdout%
-  %  info: expected stdout: test[/\\]1[/\\]stdout\.orig%
-  %  info: stdout diff: test[/\\]1[/\\]stdout\.diff%
-  %  info: stdin: test[/\\]1[/\\]stdin%
-  EOE
+  {
+    : match
+    :
+    $c <<EOI;
+    $* -o foo -o foo -o bar >>~/EOO/i
+    /FO*/*
+    bar
+    /*
+    EOO
+    EOI
+    $b
+
+    : match-empty
+    :
+    $c <<EOI;
+    $* >>:~/EOO/
+    /.{0}
+    EOO
+    EOI
+    $b
+
+    : mismatch
+    :
+    $c <<EOI;
+    $* -o foo >>~/EOO/
+    bar
+    EOO
+    EOI
+    $b 2>>/~%EOE%d != 0
+    %testscript:1: error: ../../../../../driver(.exe)? stdout doesn't match the regex%
+      info: stdout: test/1/stdout
+      info: stdout regex: test/1/stdout.regex
+    EOE
+
+    : mismatch-icase
+    :
+    $c <<EOI;
+    $* -o foo >>~/EOO/i
+    bar
+    EOO
+    EOI
+    $b 2>>/~%EOE%d != 0
+    %testscript:1: error: ../../../../../driver(.exe)? stdout doesn't match the regex%
+      info: stdout: test/1/stdout
+      info: stdout regex: test/1/stdout.regex~i
+    EOE
+  }
 }
 
 : file
@@ -336,52 +500,6 @@ b += --no-column
   $b
 }
 
-: regex
-:
-{
-  : str
-  :
-  {
-    : match
-    :
-    $c <'$* -o foo >~/Foo?/i';
-    $b
-
-    : mismatch
-    :
-    $c <'$* -o fooo >~/Foo?/i';
-    $b 2>>~%EOE% != 0
-    %testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? stdout doesn't match the regex%
-    %  info: stdout: test[/\\]1[/\\]stdout%
-    %  info: stdout regex: test[/\\]1[/\\]stdout\.regex%
-    EOE
-  }
-
-  : doc
-  :
-  {
-    : match
-    :
-    $c <<EOI;
-    $* -o foo -o foo -o bar >>~/EOO/i
-    /FO*/*
-    bar
-    /*
-    EOO
-    EOI
-    $b
-
-    : match-empty
-    :
-    $c <<EOI;
-    $* >>:~/EOO/i
-    /.{0}
-    EOO
-    EOI
-    $b
-  }
-}
-
 # @@ That will probably become redundant when builtins and process obtain file
 #    descriptors uniformly.
 #
diff --git a/tests/test/script/runner/regex.test b/tests/test/script/runner/regex.test
new file mode 100644
index 0000000..f4863b1
--- /dev/null
+++ b/tests/test/script/runner/regex.test
@@ -0,0 +1,321 @@
+# file      : tests/test/script/runner/regex.test
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : MIT; see accompanying LICENSE file
+
+# Here we test that regex objects are properly created by the parser/runner
+# venture. The unit test approach is not of much use as regex object is not
+# serializable back to string. The only way we can test their proper creation
+# is via matching.
+#
+# Note that such a tests are separated from ones that check regex matching
+# specifically (in particular matching failures), The latest ones are located
+# in redirect.test testscript.
+#
+# Also note that the following tests are grouped by features: basic
+# functionality, flags, portable-path modifier.
+#
+
+.include ../common.test
+
+: basic
+:
+{
+  : str
+  :
+  {
+    : out
+    :
+    $c <'cat <foo >~/fo./';
+    $b
+
+    : err
+    :
+    $c <'cat <foo 1>&2 2>~/fo./';
+    $b
+
+    : no-newline
+    :
+    $c <'cat <:foo >:~/fo./';
+    $b
+
+    : malformed
+    :
+    : Note that old versions of libc++ (for example 1.1) do not detect some
+    : regex errors. For example '*' is parsed successfully.
+    :
+    $c <'$* -o foo >~/foo[/';
+    $b 2>>~/EOE/ != 0
+    /testscript:1:13: error: invalid stdout regex redirect.*/
+      info: regex: '/foo[/'
+    EOE
+  }
+
+  : doc
+  :
+  {
+    : out
+    :
+    $c <<EOI;
+    cat <foo >>~/EOO/
+    /foo/
+    EOO
+    EOI
+    $b
+
+    : err
+    :
+    $c <<EOI;
+    cat <foo 1>&2 2>>~/EOO/
+    /fo./
+    EOO
+    EOI
+    $b
+
+    : no-newline
+    :
+    $c <<EOI;
+    cat <:foo >>:~/EOO/
+    /fo./
+    EOO
+    EOI
+    $b
+
+    : line-char
+    :
+    $c <<EOI;
+    cat <<EOF >>~/EOO/
+    foo
+    bar
+    baz
+    baz
+    Biz
+    Fox
+    fox
+
+
+
+
+    EOF
+    foo
+    /?
+    /bar/
+    /baz/+
+    /biz/i
+    /fox/i+
+
+    //
+    //{2}
+    EOO
+    EOI
+    $b
+
+    : expansion
+    :
+    $c <<EOI;
+    s="O*/i
+    bar
+    ";
+    cat <<EOF >>~"/EOO/"
+    foo
+    bar
+
+    baz
+    EOF
+    /f$(s)
+    baz
+    EOO
+    EOI
+    $b
+
+    : invalid-syntax-char
+    :
+    $c <<EOI;
+    $* -o foo >>~/EOO/
+      /x
+      EOO
+    EOI
+    $b 2>>EOE != 0
+    testscript:2:3: error: invalid syntax character 'x' in stdout regex redirect
+      info: regex line: '/x'
+    EOE
+
+    : invalid-char-regex
+    :
+    $c <<EOI;
+    $* -o foo >>~/EOO/
+      /foo[/
+      EOO
+    EOI
+    $b 2>>~/EOE/ != 0
+    /testscript:2:3: error: invalid char-regex in stdout regex redirect.*/
+      info: regex line: '/foo[/'
+    EOE
+
+    : invalid-line-regex
+    :
+    $c <<EOI;
+    $* -o foo >>~/EOO/
+      a
+      /{
+      EOO
+    EOI
+    $b 2>>/~%EOE% != 0
+    %testscript:4:3: error: invalid stdout regex redirect.*%
+      info: stdout regex: test/1/stdout.regex
+    EOE
+  }
+}
+
+:flags
+:
+{
+  : str
+  :
+  {
+    : i
+    :
+    $c <'cat <Foo >~/foo/i';
+    $b
+
+    : d
+    :
+    {
+      : escaped-dot
+      :
+      : Escaped dot becomes syntax dot and matches any character ('i' in our
+      : case).
+      :
+      $c <'cat <fio >~/f\\.o/d';
+      $b
+
+      : syntax-dot
+      :
+      : Syntax dot becomes escaped dot and matches only '.' and so we fail.
+      :
+      $c <'cat <fio >~/f.o/d';
+      $b 2>>~/EOE/ != 0
+      testscript:1:1: error: cat stdout doesn't match the regex
+      /.+
+      EOE
+    }
+  }
+
+  : doc
+  {
+    : i
+    :
+    $c <<EOI;
+    cat <Foo >>~/EOO/
+    /foo/i
+    EOO
+    EOI
+    $b
+
+    : d
+    :
+    : All the reasonings for the /flags/str/d test group are valid for the
+    : current one.
+    :
+    {
+      : escaped-dot
+      :
+      $c <<EOI;
+      cat <fio >>~/EOO/
+      /f\.o/d
+      EOO
+      EOI
+      $b
+
+      : syntax-dot
+      :
+      $c <<EOI;
+      cat <fio >>~/EOO/
+      /f.o/d
+      EOO
+      EOI
+      $b 2>>~/EOE/ != 0
+      testscript:1:1: error: cat stdout doesn't match the regex
+      /.+
+      EOE
+    }
+
+    : global
+    :
+    {
+      : i
+      :
+      $c <<EOI;
+      cat <Foo >>~/EOO/i
+      /foo/
+      EOO
+      EOI
+      $b
+
+      : d
+      :
+      {
+        : escaped-dot
+        :
+        $c <<EOI;
+        cat <fio >>~/EOO/d
+        /f\.o/
+        EOO
+        EOI
+        $b
+
+        : syntax-dot
+        :
+        $c <<EOI;
+        cat <fio >>~/EOO/d
+        /f.o/
+        EOO
+        EOI
+        $b 2>>~/EOE/ != 0
+        testscript:1:1: error: cat stdout doesn't match the regex
+        /.+
+        EOE
+      }
+    }
+  }
+}
+
+: portable-path
+:
+{
+  ps = ($cxx.target.class != 'windows' ? '/' : '\')
+
+  : str
+  :
+  {
+    : out
+    :
+    $c <"cat <'foo$ps' >/~%foo/%";
+    $b
+
+    : err
+    :
+    $c <"cat <'foo$ps' >/~%foo/%";
+    $b
+  }
+
+  : doc
+  {
+    : out
+    :
+    $c <<"EOI";
+    cat <'foo$ps' >>/~%EOO%
+    foo/
+    EOO
+    EOI
+    $b
+
+    : err
+    :
+    $c <<"EOI";
+    cat <'foo$ps' >>/~%EOO%
+    foo/
+    EOO
+    EOI
+    $b
+  }
+}
diff --git a/tests/test/script/runner/status.test b/tests/test/script/runner/status.test
index d7a0d0d..c1df3e4 100644
--- a/tests/test/script/runner/status.test
+++ b/tests/test/script/runner/status.test
@@ -17,8 +17,8 @@ b += --no-column
   : false
   :
   $c <'$* -s 1 == 0';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? exit status 1 != 0%
+  $b 2>>/~%EOE%d != 0
+  %testscript:1: error: ../../../../driver(.exe)? exit status 1 != 0%
   EOE
 }
 
@@ -33,17 +33,17 @@ b += --no-column
   : false
   :
   $c <'$* -s 1 != 1';
-  $b 2>>~%EOE% != 0
-  %testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? exit status 1 == 1%
+  $b 2>>/~%EOE% != 0
+  %testscript:1: error: ../../../../driver(.exe)? exit status 1 == 1%
   EOE
 }
 
 : error
 :
 $c <'$* -s 1 -e "Error"';
-$b 2>>~%EOE% != 0
-%testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? exit status 1 != 0%
-%  info: stderr: test[/\\]1[/\\]stderr%
+$b 2>>/~%EOE% != 0
+%testscript:1: error: ../../../driver(.exe)? exit status 1 != 0%
+  info: stderr: test/1/stderr
 Error
 EOE
 
@@ -54,9 +54,9 @@ EOE
 : under Wine some extra info is printed to STDOUT.
 :
 $c <'$* -t m';
-$b 2>>~%EOE% != 0
+$b 2>>/~%EOE% != 0
 %wine: .+%?
-%testscript:1: error: \.\.[/\\]\.\.[/\\]\.\.[/\\]driver(\.exe)? terminated abnormally%
+%testscript:1: error: ../../../driver(.exe)? terminated abnormally%d
 %  info: .+%
 %  info: stdout: test\\1\\stdout%?
 EOE