Add name mangling test case

This test cases showcases the bug when two executables are defined in the same directory. Dune attempts to generate the alias module twice. Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>
ocaml · Jul 8, 2019 · 001c1f9 · 001c1f9
1 parent 9e582bb
commit 001c1f9
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diff --git a/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/bar.ml b/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/bar.ml
diff --git a/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/dune b/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/dune
@@ -0,0 +1,7 @@
+(executable
+ (name foo)
+ (modules foo))
+
+(executable
+ (name bar)
+ (modules bar))
diff --git a/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/dune-project b/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/dune-project
@@ -0,0 +1,2 @@
+(lang dune 1.11)
+(wrapped_exes true)
diff --git a/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/foo.ml b/test/blackbox-tests/test-cases/exe-name-mangle/multi-exe-same-dir/foo.ml
diff --git a/test/blackbox-tests/test-cases/exe-name-mangle/run.t b/test/blackbox-tests/test-cases/exe-name-mangle/run.t
@@ -15,3 +15,12 @@ The multi module case always requires an alias.
   Entering directory 'multi-module'
            baz alias default
   not directly usable
+
+Multiple executables defined in the same directory
+
+  $ dune build --root multi-exe-same-dir
+  Entering directory 'multi-exe-same-dir'
+  Error: Multiple rules generated for _build/default/dune__exe.ml-gen:
+  - <none>:1
+  - <none>:1
+  [1]