render: Add tests for round_to_i32
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@ -957,4 +957,36 @@ mod tests {
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PointDelta::new(Twips::new(141), Twips::new(-7)),
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),
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);
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#[test]
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fn test_round_to_i32() {
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assert_eq!(round_to_i32(0.0), 0);
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assert_eq!(round_to_i32(2.0), 2);
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assert_eq!(round_to_i32(2.1), 2);
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assert_eq!(round_to_i32(2.5), 2);
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assert_eq!(round_to_i32(2.9), 3);
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assert_eq!(round_to_i32(3.0), 3);
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assert_eq!(round_to_i32(3.1), 3);
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assert_eq!(round_to_i32(3.5), 4);
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assert_eq!(round_to_i32(3.9), 4);
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assert_eq!(round_to_i32(4.0), 4);
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assert_eq!(round_to_i32(-2.0), -2);
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assert_eq!(round_to_i32(-2.1), -2);
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assert_eq!(round_to_i32(-2.5), -2);
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assert_eq!(round_to_i32(-2.9), -3);
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assert_eq!(round_to_i32(-3.0), -3);
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assert_eq!(round_to_i32(-3.1), -3);
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assert_eq!(round_to_i32(-3.5), -4);
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assert_eq!(round_to_i32(-3.9), -4);
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assert_eq!(round_to_i32(-4.0), -4);
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assert_eq!(round_to_i32(f32::NAN), 0);
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assert_eq!(round_to_i32(f32::INFINITY), 0);
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assert_eq!(round_to_i32(f32::NEG_INFINITY), 0);
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assert_eq!(round_to_i32(-2147483520f32), -2147483520);
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assert_eq!(round_to_i32(-2147483648f32), i32::MIN);
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assert_eq!(round_to_i32(-2147483904f32), i32::MIN);
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assert_eq!(round_to_i32(2147483520f32), 2147483520);
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assert_eq!(round_to_i32(2147483648f32), i32::MIN);
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assert_eq!(round_to_i32(2147483904f32), i32::MIN);
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}
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}
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