Add test case for issue #3070 mixed path separators on Windows

hariprakazz · hariprakazz · commit 4688ec291cbe · 2026-04-18T15:29:41.000+05:30
diff --git a/tests/issue3070/dub.json b/tests/issue3070/dub.json
@@ -0,0 +1,7 @@
+﻿{
+  "name": "issue3070",
+  "description": "Test mixed path separators do not duplicate mainSourceFile",
+  "targetType": "executable",
+  "sourcePaths": ["src"],
+  "mainSourceFile": "src/main.d"
+}
diff --git a/tests/issue3070/src/main.d b/tests/issue3070/src/main.d
@@ -0,0 +1 @@
+﻿void main() {}
diff --git a/tests/run.d b/tests/run.d
@@ -0,0 +1 @@
+runDubTest("issue3070");
