Fix regex test failures on Unix by setting global locale.

1 files changed, 12 insertions, 0 deletions

diff --git a/test/unit/testDocument.cxx b/test/unit/testDocument.cxx
index 4ed1dbbbd..570e54c4c 100644
--- a/test/unit/testDocument.cxx
+++ b/test/unit/testDocument.cxx
@@ -38,6 +38,18 @@
 using namespace Scintilla;
 using namespace Scintilla::Internal;
 
+#if !defined(_WIN32) && !defined(NO_CXX11_REGEX)
+// set global locale to pass std::regex related tests
+// see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63776
+struct GlobalLocaleInitializer {
+	GlobalLocaleInitializer() {
+		try {
+			std::locale::global(std::locale("en_US.UTF-8"));
+		} catch (...) {}
+	}
+} globalLocaleInitializer;
+#endif
+
 // Test Document.
 
 struct Folding {