fn ilog10_u128() {
ilog10_loop! { u128, 38 }
}
+
+#[test]
+#[should_panic(expected = "argument of integer logarithm must be positive")]
+fn ilog2_of_0_panic() {
+ let _ = 0u32.ilog2();
+}
+
+#[test]
+#[should_panic(expected = "argument of integer logarithm must be positive")]
+fn ilog10_of_0_panic() {
+ let _ = 0u32.ilog10();
+}
+
+#[test]
+#[should_panic(expected = "argument of integer logarithm must be positive")]
+fn ilog3_of_0_panic() {
+ let _ = 0u32.ilog(3);
+}
+
+#[test]
+#[should_panic(expected = "base of integer logarithm must be at least 2")]
+fn ilog0_of_1_panic() {
+ let _ = 1u32.ilog(0);
+}
+
+#[test]
+#[should_panic(expected = "base of integer logarithm must be at least 2")]
+fn ilog1_of_1_panic() {
+ let _ = 1u32.ilog(1);
+}