diff --git a/tests/expectations/both/mod_2015.c b/tests/expectations/both/mod_2015.c
new file mode 100644
index 0000000..489223e
--- /dev/null
+++ b/tests/expectations/both/mod_2015.c
@@ -0,0 +1,12 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+typedef struct ExportMe {
+  uint64_t val;
+} ExportMe;
+
+void export_me(ExportMe *val);
diff --git a/tests/expectations/both/mod_2015.compat.c b/tests/expectations/both/mod_2015.compat.c
new file mode 100644
index 0000000..3f4aa04
--- /dev/null
+++ b/tests/expectations/both/mod_2015.compat.c
@@ -0,0 +1,20 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+typedef struct ExportMe {
+  uint64_t val;
+} ExportMe;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void export_me(ExportMe *val);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/mod_2015.c b/tests/expectations/mod_2015.c
new file mode 100644
index 0000000..7ffa5ee
--- /dev/null
+++ b/tests/expectations/mod_2015.c
@@ -0,0 +1,12 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+typedef struct {
+  uint64_t val;
+} ExportMe;
+
+void export_me(ExportMe *val);
diff --git a/tests/expectations/mod_2015.compat.c b/tests/expectations/mod_2015.compat.c
new file mode 100644
index 0000000..1527af6
--- /dev/null
+++ b/tests/expectations/mod_2015.compat.c
@@ -0,0 +1,20 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+typedef struct {
+  uint64_t val;
+} ExportMe;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void export_me(ExportMe *val);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/mod_2015.cpp b/tests/expectations/mod_2015.cpp
new file mode 100644
index 0000000..c0bf6e2
--- /dev/null
+++ b/tests/expectations/mod_2015.cpp
@@ -0,0 +1,16 @@
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <new>
+
+static const uint8_t EXPORT_ME_TOO = 42;
+
+struct ExportMe {
+  uint64_t val;
+};
+
+extern "C" {
+
+void export_me(ExportMe *val);
+
+} // extern "C"
diff --git a/tests/expectations/tag/mod_2015.c b/tests/expectations/tag/mod_2015.c
new file mode 100644
index 0000000..01a8d59
--- /dev/null
+++ b/tests/expectations/tag/mod_2015.c
@@ -0,0 +1,12 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+struct ExportMe {
+  uint64_t val;
+};
+
+void export_me(struct ExportMe *val);
diff --git a/tests/expectations/tag/mod_2015.compat.c b/tests/expectations/tag/mod_2015.compat.c
new file mode 100644
index 0000000..097697e
--- /dev/null
+++ b/tests/expectations/tag/mod_2015.compat.c
@@ -0,0 +1,20 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#define EXPORT_ME_TOO 42
+
+struct ExportMe {
+  uint64_t val;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void export_me(struct ExportMe *val);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/rust/mod_2015/Cargo.lock b/tests/rust/mod_2015/Cargo.lock
new file mode 100644
index 0000000..6f0820c
--- /dev/null
+++ b/tests/rust/mod_2015/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "mod_2015"
+version = "0.1.0"
+
diff --git a/tests/rust/mod_2015/Cargo.toml b/tests/rust/mod_2015/Cargo.toml
new file mode 100644
index 0000000..94a8f27
--- /dev/null
+++ b/tests/rust/mod_2015/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "mod_2015"
+version = "0.1.0"
+authors = ["cbindgen"]
+edition = "2015"
+
+[lib]
+name = "mod_2015"
+crate-type = ["lib", "dylib"]
diff --git a/tests/rust/mod_2015/cbindgen.toml b/tests/rust/mod_2015/cbindgen.toml
new file mode 100644
index 0000000..4e90f53
--- /dev/null
+++ b/tests/rust/mod_2015/cbindgen.toml
@@ -0,0 +1,2 @@
+[parse]
+parse_deps = false
diff --git a/tests/rust/mod_2015/src/lib.rs b/tests/rust/mod_2015/src/lib.rs
new file mode 100644
index 0000000..e5f480d
--- /dev/null
+++ b/tests/rust/mod_2015/src/lib.rs
@@ -0,0 +1 @@
+pub mod nested;
diff --git a/tests/rust/mod_2015/src/nested/mod.rs b/tests/rust/mod_2015/src/nested/mod.rs
new file mode 100644
index 0000000..5347ee6
--- /dev/null
+++ b/tests/rust/mod_2015/src/nested/mod.rs
@@ -0,0 +1 @@
+pub mod other;
diff --git a/tests/rust/mod_2015/src/nested/other.rs b/tests/rust/mod_2015/src/nested/other.rs
new file mode 100644
index 0000000..baf4a86
--- /dev/null
+++ b/tests/rust/mod_2015/src/nested/other.rs
@@ -0,0 +1,14 @@
+#[repr(C)]
+pub struct ExportMe {
+    val: u64
+}
+
+#[repr(C)]
+pub struct DoNotExportMe {
+    val: u64
+}
+
+pub const EXPORT_ME_TOO: u8 = 0x2a;
+
+#[no_mangle]
+pub unsafe extern "C" fn export_me(val: *mut ExportMe) { }