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-rw-r--r--tests/run-make/debug-assertions/Makefile26
-rw-r--r--tests/run-make/debug-assertions/debug.rs33
2 files changed, 59 insertions, 0 deletions
diff --git a/tests/run-make/debug-assertions/Makefile b/tests/run-make/debug-assertions/Makefile
new file mode 100644
index 000000000..e83337c59
--- /dev/null
+++ b/tests/run-make/debug-assertions/Makefile
@@ -0,0 +1,26 @@
+# ignore-cross-compile
+include ../tools.mk
+
+all:
+ $(RUSTC) debug.rs -C debug-assertions=no
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -C opt-level=0
+ $(call RUN,debug) bad
+ $(RUSTC) debug.rs -C opt-level=1
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -C opt-level=2
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -C opt-level=3
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -C opt-level=s
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -C opt-level=z
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs -O
+ $(call RUN,debug) good
+ $(RUSTC) debug.rs
+ $(call RUN,debug) bad
+ $(RUSTC) debug.rs -C debug-assertions=yes -O
+ $(call RUN,debug) bad
+ $(RUSTC) debug.rs -C debug-assertions=yes -C opt-level=1
+ $(call RUN,debug) bad
diff --git a/tests/run-make/debug-assertions/debug.rs b/tests/run-make/debug-assertions/debug.rs
new file mode 100644
index 000000000..76ca60a71
--- /dev/null
+++ b/tests/run-make/debug-assertions/debug.rs
@@ -0,0 +1,33 @@
+#![feature(rustc_attrs)]
+#![deny(warnings)]
+
+use std::env;
+use std::thread;
+
+fn main() {
+ let should_fail = env::args().nth(1) == Some("bad".to_string());
+
+ assert_eq!(thread::spawn(debug_assert_eq).join().is_err(), should_fail);
+ assert_eq!(thread::spawn(debug_assert).join().is_err(), should_fail);
+ assert_eq!(thread::spawn(overflow).join().is_err(), should_fail);
+}
+
+fn debug_assert_eq() {
+ let mut hit1 = false;
+ let mut hit2 = false;
+ debug_assert_eq!({ hit1 = true; 1 }, { hit2 = true; 2 });
+ assert!(!hit1);
+ assert!(!hit2);
+}
+
+fn debug_assert() {
+ let mut hit = false;
+ debug_assert!({ hit = true; false });
+ assert!(!hit);
+}
+
+fn overflow() {
+ fn add(a: u8, b: u8) -> u8 { a + b }
+
+ add(200u8, 200u8);
+}