From ab37957a93b3645468a697a8b47b1aa48d754ede Mon Sep 17 00:00:00 2001
From: Tuncer Ayaz <tuncer.ayaz@gmail.com>
Date: Sun, 12 Jun 2011 18:39:45 +0200
Subject: parsetools: test if warnings_as_errors writes file

warnings_as_errors changes warnings to be treated as errors. Extend
leex_SUITE and yecc_SUITE to check that output file is not generated
if warnings_as_errors is enabled and warnings are emitted.
---
 lib/parsetools/test/leex_SUITE.erl | 11 ++++++++---
 lib/parsetools/test/yecc_SUITE.erl | 10 ++++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

(limited to 'lib/parsetools/test')

diff --git a/lib/parsetools/test/leex_SUITE.erl b/lib/parsetools/test/leex_SUITE.erl
index 48312445ef..1e50aedf07 100644
--- a/lib/parsetools/test/leex_SUITE.erl
+++ b/lib/parsetools/test/leex_SUITE.erl
@@ -152,6 +152,7 @@ file(Config) when is_list(Config) ->
     ?line writable(Dotfile),
     file:delete(Dotfile),
 
+    ok = file:delete(Scannerfile),
     Warn = <<"Definitions.1998\n"
              "D  = [0-9]\n"
              "Rules.\n"
@@ -159,11 +160,15 @@ file(Config) when is_list(Config) ->
              "Erlang code.\n">>,
     ok = file:write_file(Filename, Warn),
     error = leex:file(Filename, [warnings_as_errors]),
+    false = filelib:is_regular(Scannerfile),
     error = leex:file(Filename, [return_warnings,warnings_as_errors]),
-    {ok,Scannerfile,[{Filename,[{1,leex,ignored_characters}]}]} =
-	leex:file(Filename, [return_warnings]),
+    false = filelib:is_regular(Scannerfile),
     {error,_,[{Filename,[{1,leex,ignored_characters}]}]} =
-	leex:file(Filename, [return_errors,warnings_as_errors]),
+        leex:file(Filename, [return_errors,warnings_as_errors]),
+    false = filelib:is_regular(Scannerfile),
+    {ok,Scannerfile,[{Filename,[{1,leex,ignored_characters}]}]} =
+        leex:file(Filename, [return_warnings]),
+    true = filelib:is_regular(Scannerfile),
 
     file:delete(Filename),
     ok.
diff --git a/lib/parsetools/test/yecc_SUITE.erl b/lib/parsetools/test/yecc_SUITE.erl
index 0133524950..a5f66b48e9 100644
--- a/lib/parsetools/test/yecc_SUITE.erl
+++ b/lib/parsetools/test/yecc_SUITE.erl
@@ -173,6 +173,7 @@ syntax(Config) when is_list(Config) ->
     %% Report errors. Very simple test of format_error/1.
     Ret = [return, {report, true}],
     Filename = filename:join(Dir, "file.yrl"),
+    Parserfile = filename:join(Dir, "file.erl"),
     Parserfile1 = filename:join(Dir, "a file"),
 
     ?line ok = file:write_file(Filename, <<"">>),
@@ -248,12 +249,17 @@ syntax(Config) when is_list(Config) ->
         yecc:file(Filename, Ret),
 
     %% Bad declaration with warnings_as_errors.
+    ok = file:delete(Parserfile),
     error = yecc:file(Filename, [warnings_as_errors]),
+    false = filelib:is_regular(Parserfile),
     error = yecc:file(Filename, [return_warnings,warnings_as_errors]),
-    {ok,_,[{_,[{2,yecc,bad_declaration}]}]} =
-        yecc:file(Filename, [return_warnings]),
+    false = filelib:is_regular(Parserfile),
     {error,_,[{_,[{2,yecc,bad_declaration}]}]} =
         yecc:file(Filename, [return_errors,warnings_as_errors]),
+    false = filelib:is_regular(Parserfile),
+    {ok,_,[{_,[{2,yecc,bad_declaration}]}]} =
+        yecc:file(Filename, [return_warnings]),
+    true = filelib:is_regular(Parserfile),
 
     %% Bad declaration.
     ?line ok = file:write_file(Filename, 
-- 
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