Improve entry macro tests (#471)

Author: nicholasbishop

uefi-macros/tests/ui/entry.rs

@@ -0,0 +1,11 @@
+#![allow(unused_imports)]
+#![no_main]
+#![feature(abi_efiapi)]
+
+use uefi::prelude::*;
+use uefi_macros::entry;
+
+#[entry]
+extern "C" fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {
+    Status::SUCCESS
+}

uefi-macros/tests/ui/entry.stderr

@@ -0,0 +1,5 @@
+error: Entry method must have no ABI modifier
+ --> tests/ui/entry_bad_abi.rs:9:1
+  |
+9 | extern "C" fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {
+  | ^^^^^^^^^^

uefi-macros/tests/ui/entry_bad_abi.rs

@@ -0,0 +1,11 @@
+#![allow(unused_imports)]
+#![no_main]
+#![feature(abi_efiapi)]
+
+use uefi::prelude::*;
+use uefi_macros::entry;
+
+#[entry]
+fn main(_handle: Handle, _st: SystemTable<Boot>, _x: usize) -> Status {
+    Status::SUCCESS
+}

uefi-macros/tests/ui/entry_bad_abi.stderr

@@ -0,0 +1,8 @@
+error[E0308]: mismatched types
+ --> tests/ui/entry_bad_arg.rs:9:4
+  |
+9 | fn main(_handle: Handle, _st: SystemTable<Boot>, _x: usize) -> Status {
+  |    ^^^^ incorrect number of function parameters
+  |
+  = note: expected fn pointer `extern "efiapi" fn(uefi::Handle, uefi::table::SystemTable<uefi::table::Boot>) -> uefi::Status`
+                found fn item `extern "efiapi" fn(uefi::Handle, uefi::table::SystemTable<uefi::table::Boot>, usize) -> uefi::Status {main}`

uefi-macros/tests/ui/entry_bad_arg.rs

@@ -0,0 +1,11 @@
+#![allow(unused_imports)]
+#![no_main]
+#![feature(abi_efiapi)]
+
+use uefi::prelude::*;
+use uefi_macros::entry;
+
+#[entry]
+async fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {
+    Status::SUCCESS
+}

uefi-macros/tests/ui/entry_bad_arg.stderr

@@ -0,0 +1,5 @@
+error: Entry method should not be async
+ --> tests/ui/entry_bad_async.rs:9:1
+  |
+9 | async fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {
+  | ^^^^^

uefi-macros/tests/ui/entry_bad_async.rs

@@ -0,0 +1,11 @@
+#![allow(unused_imports)]
+#![no_main]
+#![feature(abi_efiapi)]
+
+use uefi::prelude::*;
+use uefi_macros::entry;
+
+#[entry(some_arg)]
+fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {
+    Status::SUCCESS
+}

uefi-macros/tests/ui/entry_bad_async.stderr

@@ -0,0 +1,5 @@
+error: Entry attribute accepts no arguments
+ --> tests/ui/entry_bad_attr_arg.rs:8:9
+  |
+8 | #[entry(some_arg)]
+  |         ^^^^^^^^