Rename tests from `*.spire` to `*.slang`

Many of the existing test cases were being skipped on accident, because their file names used `.spire` and the test tool was now looking for `.slang`

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/preprocessor/define-function-like.slang b/tests/preprocessor/define-function-like.slang
new file mode 100644
index 000000000..f1dd9caa4
--- /dev/null
+++ b/tests/preprocessor/define-function-like.slang
@@ -0,0 +1,19 @@
+//TEST:SIMPLE:
+// support for function-like macros
+
+#define FOO(x) 1.0 + x
+
+float foo(float y) { return FOO(y) * 2.0; }
+
+// simple token pasting
+
+#define PASTE(a,b) a##b
+
+PASTE(flo,at) bar() { return 0.0; }
+
+// no space before parens? not a function-like macro
+
+#define M (x) - (x)
+
+// Error: undefined identifier `x`
+float bar(float a) { return M(a); }