diff --git a/library/core/tests/num/i32.rs b/library/core/tests/num/i32.rs
index 39250ee84bce6..4acc760ffac99 100644
--- a/library/core/tests/num/i32.rs
+++ b/library/core/tests/num/i32.rs
@@ -1 +1,30 @@
 int_module!(i32, i32);
+
+#[test]
+fn test_arith_operation() {
+    let a: isize = 10;
+    assert_eq!(a * (a - 1), 90);
+    let i32_a: isize = 10;
+    assert_eq!(i32_a, 10);
+    assert_eq!(i32_a - 10, 0);
+    assert_eq!(i32_a / 10, 1);
+    assert_eq!(i32_a - 20, -10);
+    assert_eq!(i32_a << 10, 10240);
+    assert_eq!(i32_a << 16, 655360);
+    assert_eq!(i32_a * 16, 160);
+    assert_eq!(i32_a * i32_a * i32_a, 1000);
+    assert_eq!(i32_a * i32_a * i32_a * i32_a, 10000);
+    assert_eq!(i32_a * i32_a / i32_a * i32_a, 100);
+    assert_eq!(i32_a * (i32_a - 1) << (2 + i32_a as usize), 368640);
+    let i32_b: isize = 0x10101010;
+    assert_eq!(i32_b + 1 - 1, i32_b);
+    assert_eq!(i32_b << 1, i32_b << 1);
+    assert_eq!(i32_b >> 1, i32_b >> 1);
+    assert_eq!(i32_b & i32_b << 1, 0);
+    assert_eq!(i32_b | i32_b << 1, 0x30303030);
+    let i32_c: isize = 0x10101010;
+    assert_eq!(
+        i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3),
+        i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3)
+    );
+}
diff --git a/src/test/ui/numbers-arithmetic/arith-0.rs b/src/test/ui/numbers-arithmetic/arith-0.rs
deleted file mode 100644
index 7943cb908d1f1..0000000000000
--- a/src/test/ui/numbers-arithmetic/arith-0.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-// run-pass
-
-
-pub fn main() {
-    let a: isize = 10;
-    println!("{}", a);
-    assert_eq!(a * (a - 1), 90);
-}
diff --git a/src/test/ui/numbers-arithmetic/arith-1.rs b/src/test/ui/numbers-arithmetic/arith-1.rs
deleted file mode 100644
index c13c8d8b7659d..0000000000000
--- a/src/test/ui/numbers-arithmetic/arith-1.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// run-pass
-
-
-pub fn main() {
-    let i32_a: isize = 10;
-    assert_eq!(i32_a, 10);
-    assert_eq!(i32_a - 10, 0);
-    assert_eq!(i32_a / 10, 1);
-    assert_eq!(i32_a - 20, -10);
-    assert_eq!(i32_a << 10, 10240);
-    assert_eq!(i32_a << 16, 655360);
-    assert_eq!(i32_a * 16, 160);
-    assert_eq!(i32_a * i32_a * i32_a, 1000);
-    assert_eq!(i32_a * i32_a * i32_a * i32_a, 10000);
-    assert_eq!(i32_a * i32_a / i32_a * i32_a, 100);
-    assert_eq!(i32_a * (i32_a - 1) << (2 + i32_a as usize), 368640);
-    let i32_b: isize = 0x10101010;
-    assert_eq!(i32_b + 1 - 1, i32_b);
-    assert_eq!(i32_b << 1, i32_b << 1);
-    assert_eq!(i32_b >> 1, i32_b >> 1);
-    assert_eq!(i32_b & i32_b << 1, 0);
-    println!("{}", i32_b | i32_b << 1);
-    assert_eq!(i32_b | i32_b << 1, 0x30303030);
-}
diff --git a/src/test/ui/numbers-arithmetic/arith-2.rs b/src/test/ui/numbers-arithmetic/arith-2.rs
deleted file mode 100644
index 46c280677ce84..0000000000000
--- a/src/test/ui/numbers-arithmetic/arith-2.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// run-pass
-
-
-
-pub fn main() {
-    let i32_c: isize = 0x10101010;
-    assert_eq!(i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3),
-                 i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3));
-}