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Diffstat (limited to 'library/std/tests/floats/f128.rs')
| -rw-r--r-- | library/std/tests/floats/f128.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/std/tests/floats/f128.rs b/library/std/tests/floats/f128.rs index df28e8129dd..677738bac8f 100644 --- a/library/std/tests/floats/f128.rs +++ b/library/std/tests/floats/f128.rs @@ -112,6 +112,8 @@ fn test_nan() { assert!(!nan.is_sign_negative()); assert!(!nan.is_normal()); assert_eq!(Fp::Nan, nan.classify()); + // Ensure the quiet bit is set. + assert!(nan.to_bits() & (1 << (f128::MANTISSA_DIGITS - 2)) != 0); } #[test] |