Add assert_approx_eq! macro

2 files changed, 28 insertions, 0 deletions

diff --git a/src/test/run-fail/assert-approx-eq-eps-macro-fail.rs b/src/test/run-fail/assert-approx-eq-eps-macro-fail.rs
new file mode 100644
index 00000000000..c0c20f7af43
--- /dev/null
+++ b/src/test/run-fail/assert-approx-eq-eps-macro-fail.rs
@@ -0,0 +1,14 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// error-pattern:left: 1.0000001 does not approximately equal right: 1 with epsilon: 0.0000001
+pub fn main() {
+    assert_approx_eq!(1.0000001f, 1.0f, 1.0e-7);
+}
diff --git a/src/test/run-fail/assert-approx-eq-macro-fail.rs b/src/test/run-fail/assert-approx-eq-macro-fail.rs
new file mode 100644
index 00000000000..43de4f92b63
--- /dev/null
+++ b/src/test/run-fail/assert-approx-eq-macro-fail.rs
@@ -0,0 +1,14 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// error-pattern:left: 1.00001 does not approximately equal right: 1
+pub fn main() {
+    assert_approx_eq!(1.00001f, 1.0f);
+}