Add a test that bare functions are word-sized

Issue #1022

Add a test that bare functions are word-sized
Issue #1022
b04f8427 · Brian Anderson · 90c24020 · b04f8427
隐藏空白更改
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src/test/run-pass/fn-bare-size.rs src/test/run-pass/fn-bare-size.rs +9 -0

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--- a/src/test/run-pass/fn-bare-size.rs
+++ b/src/test/run-pass/fn-bare-size.rs
+// xfail-test
+
+use std;
+
+fn main() {
+    // Bare functions should just be a pointer
+    assert std::sys::rustrt::size_of::<fn#()>() ==
+        std::sys::rustrt::size_of::<int>();
+}
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