add cfail tests

Cargo.toml

@@ -14,5 +14,11 @@ version = "0.2.0"
 
 [dependencies]
 cortex-m = "0.3.0"
-cortex-m-rtfm-macros = { path = "macros" }
-static-ref = "0.2.0"
+static-ref = "0.2.0"
+
+[dependencies.cortex-m-rtfm-macros]
+path = "macros"
+
+[dev-dependencies]
+compiletest_rs = "0.2.8"
+stm32f103xx = "0.7.1"

tests/cfail.rs

@@ -0,0 +1,16 @@
+extern crate compiletest_rs as compiletest;
+
+use std::path::PathBuf;
+
+use compiletest::common::Mode;
+
+#[test]
+fn cfail() {
+    let mut config = compiletest::default_config();
+    config.mode = Mode::CompileFail;
+    config.src_base = PathBuf::from(format!("tests/cfail"));
+    config.target_rustcflags =
+        Some("-L target/debug -L target/debug/deps ".to_string());
+
+    compiletest::run_tests(&config);
+}

tests/cfail/duplicated-handler.rs

@@ -0,0 +1,35 @@
+// error-pattern: the name `EXTI0` is defined multiple times
+
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! {
+    device: stm32f103xx,
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(EXTI0, exti0);
+
+fn exti0(_t: Threshold, _r: EXTI0::Resources) {}
+
+task!(EXTI0, exti1);
+
+fn exti1(_t: Threshold, _r: EXTI0::Resources) {}

tests/cfail/duplicated-task.rs

@@ -0,0 +1,27 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! {
+    //~^ error proc macro panicked
+    //~| help parsing
+    device: stm32f103xx,
+
+    tasks: {
+        SYS_TICK: {
+            priority: 1,
+        },
+
+        SYS_TICK: {
+            priority: 2,
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {}

tests/cfail/idle.rs

@@ -0,0 +1,16 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! { //~ error mismatched types
+    device: stm32f103xx,
+}
+
+fn init(_p: init::Peripherals) {}
+
+// ERROR `idle` must be a diverging function
+fn idle() {}

tests/cfail/init.rs

@@ -0,0 +1,18 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! { //~ error mismatched types
+    device: stm32f103xx,
+}
+
+// ERROR `init` must have signature `fn (init::Peripherals)`
+fn init() {}
+
+fn idle() -> ! {
+    loop {}
+}

tests/cfail/lock.rs

@@ -0,0 +1,67 @@
+#![deny(warnings)]
+#![feature(const_fn)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! {
+    device: stm32f103xx,
+
+    resources: {
+        STATE: bool = false;
+        MAX: u8 = 0;
+    },
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+            resources: [MAX, STATE],
+        },
+
+        EXTI1: {
+            enabled: true,
+            priority: 2,
+            resources: [STATE],
+        },
+
+        EXTI2: {
+            enabled: true,
+            priority: 16,
+            resources: [MAX],
+        },
+    },
+}
+
+fn init(_p: init::Peripherals, _r: init::Resources) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(EXTI0, exti0);
+
+fn exti0(mut t: Threshold, r: EXTI0::Resources) {
+    // OK need to lock to access the resource
+    if r.STATE.claim(&mut t, |state, _| **state) {}
+
+    // OK can claim a resource with maximum ceiling
+    r.MAX.claim_mut(&mut t, |max, _| **max += 1);
+}
+
+task!(EXTI1, exti1);
+
+fn exti1(mut t: Threshold, r: EXTI1::Resources) {
+    // ERROR no need to lock. Has direct access because priority == ceiling
+    if r.STATE.claim(&mut t, |state, _| **state) {
+        //~^ error no method named `claim` found for type
+    }
+
+    if **r.STATE {
+        // OK
+    }
+}

tests/cfail/peripheral-alias.rs

@@ -0,0 +1,26 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! { //~ error proc macro panicked
+    device: stm32f103xx,
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+            // ERROR peripheral appears twice in this list
+            resources: [GPIOA, GPIOA],
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {
+    loop {}
+}

tests/cfail/priority-too-high.rs

@@ -0,0 +1,29 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! { //~ error attempt to subtract with overflow
+    device: stm32f103xx,
+
+    tasks: {
+        SYS_TICK: {
+            // ERROR priority must be in the range [1, 16]
+            priority: 17,
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(SYS_TICK, sys_tick);
+
+fn sys_tick(_: Threshold, _: SYS_TICK::Resources) {}

tests/cfail/priority-too-low.rs

@@ -0,0 +1,29 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! { //~ error attempt to subtract with overflow
+    device: stm32f103xx,
+
+    tasks: {
+        SYS_TICK: {
+            // ERROR priority must be in the range [1, 16]
+            priority: 0,
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(SYS_TICK, sys_tick);
+
+fn sys_tick(_: Threshold, _: SYS_TICK::Resources) {}

tests/cfail/resource-alias.rs

@@ -0,0 +1,30 @@
+#![deny(warnings)]
+#![feature(proc_macro)]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! { //~ error proc macro panicked
+    device: stm32f103xx,
+
+    resources: {
+        // resource `MAX` listed twice
+        MAX: u8 = 0;
+        MAX: u16 = 0;
+    },
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+        },
+    },
+}
+
+fn init(_p: init::Peripherals) {}
+
+fn idle() -> ! {
+    loop {}
+}

tests/cfail/token-outlive.rs

@@ -0,0 +1,49 @@
+#![deny(warnings)]
+#![feature(const_fn)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! {
+    device: stm32f103xx,
+
+    resources: {
+        STATE: bool = false;
+    },
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+            resources: [STATE],
+        },
+
+        EXTI1: {
+            enabled: true,
+            priority: 2,
+            resources: [STATE],
+        },
+    },
+}
+
+fn init(_p: init::Peripherals, _r: init::Resources) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(EXTI0, exti0);
+
+fn exti0(mut t: Threshold, r: EXTI0::Resources) {
+    // ERROR token should not outlive the critical section
+    let t = r.STATE.claim(&mut t, |_state, t| t);
+    //~^ error cannot infer an appropriate lifetime
+}
+
+task!(EXTI1, exti1);
+
+fn exti1(_t: Threshold, _r: EXTI1::Resources) {}

tests/cfail/token-transfer.rs

@@ -0,0 +1,35 @@
+#![deny(warnings)]
+#![feature(const_fn)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! { //~ error bound `rtfm::Threshold: std::marker::Send` is not satisfied
+    device: stm32f103xx,
+
+    resources: {
+        TOKEN: Option<Threshold> = None;
+    },
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+            resources: [TOKEN],
+        },
+    }
+}
+
+fn init(_p: init::Peripherals, _r: init::Resources) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(EXTI0, exti0);
+
+fn exti0(_t: Threshold, _r: EXTI0::Resources) {}

tests/cfail/wrong-threshold.rs

@@ -0,0 +1,53 @@
+#![deny(warnings)]
+#![feature(const_fn)]
+#![feature(proc_macro)]
+
+#[macro_use(task)]
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::{app, Threshold};
+
+app! {
+    device: stm32f103xx,
+
+    resources: {
+        A: u8 = 0;
+        B: u8 = 0;
+    },
+
+    tasks: {
+        EXTI0: {
+            enabled: true,
+            priority: 1,
+            resources: [A, B],
+        },
+
+        EXTI1: {
+            enabled: true,
+            priority: 2,
+            resources: [A, B],
+        },
+    },
+}
+
+fn init(_p: init::Peripherals, _r: init::Resources) {}
+
+fn idle() -> ! {
+    loop {}
+}
+
+task!(EXTI0, exti0);
+
+fn exti0(mut ot: Threshold, r: EXTI0::Resources) {
+    r.A.claim(&mut ot, |_a, mut _it| {
+        //~^ error cannot borrow `ot` as mutable more than once at a time
+        //~| error cannot borrow `ot` as mutable more than once at a time
+        // ERROR must use inner token `it` instead of the outer one (`ot`)
+        r.B.claim(&mut ot, |_b, _| {})
+    });
+}
+
+task!(EXTI1, exti1);
+
+fn exti1(_t: Threshold, r: EXTI1::Resources) {}