diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 62b8083222..a8c77875e4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -152,6 +152,11 @@ The relevant tests for this feature are:
    same, and that the program exits cleanly. This kind of test coverage is preferred, when
    possible, because it makes sure that the resulting Zig code is actually viable.
 
+ * `test/stage1/behavior/translate_c_macros.zig` - each test case consists of a Zig test 
+   which checks that the relevant macros in `test/stage1/behavior/translate_c_macros.h`.
+   have the correct values. Macros have to be tested separately since they are expanded by
+   Clang in `run_translated_c` tests.
+
  * `test/translate_c.zig` - each test case is C code, with a list of expected strings which
    must be found in the resulting Zig code. This kind of test is more precise in what it
    measures, but does not provide test coverage of whether the resulting Zig code is valid.
diff --git a/test/stage1/behavior.zig b/test/stage1/behavior.zig
index a15f1f26b9..eb5bd9907f 100644
--- a/test/stage1/behavior.zig
+++ b/test/stage1/behavior.zig
@@ -133,4 +133,5 @@ comptime {
     _ = @import("behavior/while.zig");
     _ = @import("behavior/widening.zig");
     _ = @import("behavior/src.zig");
+    _ = @import("behavior/translate_c_macros.zig");
 }
diff --git a/test/stage1/behavior/translate_c_macros.h b/test/stage1/behavior/translate_c_macros.h
new file mode 100644
index 0000000000..abc6c1e3cf
--- /dev/null
+++ b/test/stage1/behavior/translate_c_macros.h
@@ -0,0 +1,9 @@
+// initializer list expression
+typedef struct Color {
+    unsigned char r;
+    unsigned char g;
+    unsigned char b;
+    unsigned char a;
+} Color;
+#define CLITERAL(type)      (type)
+#define LIGHTGRAY  CLITERAL(Color){ 200, 200, 200, 255 }   // Light Gray
\ No newline at end of file
diff --git a/test/stage1/behavior/translate_c_macros.zig b/test/stage1/behavior/translate_c_macros.zig
new file mode 100644
index 0000000000..ea42016e9b
--- /dev/null
+++ b/test/stage1/behavior/translate_c_macros.zig
@@ -0,0 +1,12 @@
+const expect = @import("std").testing.expect;
+
+const h = @cImport(@cInclude("stage1/behavior/translate_c_macros.h"));
+
+test "initializer list expression" {
+    @import("std").testing.expectEqual(h.Color{
+        .r = 200,
+        .g = 200,
+        .b = 200,
+        .a = 255,
+    }, h.LIGHTGRAY);
+}
diff --git a/test/tests.zig b/test/tests.zig
index 0cf5ec28dd..6598a05ea7 100644
--- a/test/tests.zig
+++ b/test/tests.zig
@@ -537,6 +537,7 @@ pub fn addPkgTests(
         these_tests.enable_qemu = is_qemu_enabled;
         these_tests.enable_wasmtime = is_wasmtime_enabled;
         these_tests.glibc_multi_install_dir = glibc_dir;
+        these_tests.addIncludeDir("test");
 
         step.dependOn(&these_tests.step);
     }