Gherkin C tests fail on Wine

[aslakhellesoy]

Summary

Approval tests (diffing golden masters) fail with gherkin.exe running on Wine

Expected Behavior

I'd expect it to work just as on other Linuxes and OS X.

Current Behavior

Tokens with non-ASCII (Unicode) characters are printed as ?, causing the diff to fail:

wine bin/gherkin_generate_tokens.exe testdata/good/escaped_pipes.feature > acceptance/testdata/good/escaped_pipes.feature.tokens
diff --strip-trailing-cr --unified testdata/good/escaped_pipes.feature.tokens acceptance/testdata/good/escaped_pipes.feature.tokens
--- testdata/good/escaped_pipes.feature.tokens	2017-03-21 20:38:38.000000000 +0000
+++ acceptance/testdata/good/escaped_pipes.feature.tokens	2017-03-22 12:51:02.000000000 +0000
@@ -4,11 +4,11 @@
 (4:1)Other://
 (5:3)ScenarioLine:Scenario/They are the future/
 (6:5)StepLine:Given /they have arrived/
-(7:7)TableRow://9:æ,13:o
-(8:7)TableRow://9:a,13:ø
+(7:7)TableRow://9:?,13:o
+(8:7)TableRow://9:a,13:?
 (9:5)StepLine:Given /they have arrived/
-(10:7)TableRow://9:|æ\n,22:\o
+(10:7)TableRow://9:|?\n,22:\o
 o\
-(11:7)TableRow://9:\|a\\n,22:ø\
-ø\
+(11:7)TableRow://9:\|a\\n,22:?\
+?\
 EOF
make: *** [acceptance/testdata/good/escaped_pipes.feature.tokens] Error 1
make: *** Deleting file `acceptance/testdata/good/escaped_pipes.feature.tokens'

This can also be seen on Travis.

Possible Solution

Not sure

Steps to Reproduce (for bugs)

First, install mingw-w64 as described in CONTRIBUTING.md

git clean -dfx gherkin/c
make CC=i686-w64-mingw32-gcc

Context & Motivation

The main reason I want this to pass is to use Travis to build distributable binaries for end users.

I'm not certain there is a problem with the gherkin.exe being built, as I haven't tried to run it on a Windows machine. It could be that this is a bug in Wine. It could also be a bug in the compiler or libraries used by mingw-w64. We'd have to test this manually on Windows to find out I suppose.

Your Environment

• Version used: HEAD of master
• Operating System and version: OS X 10.11.6 (15G31) with wine-2.0 (installed with homebrew)

[lock]

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