fn test_cast_from_f32()

in arrow-cast/src/cast.rs [6216:6349]

• 124 lines of code
• 1 McCabe index (conditional complexity)

    fn test_cast_from_f32() {
        let f32_values: Vec<f32> = vec![
            i32::MIN as f32,
            i32::MIN as f32,
            i16::MIN as f32,
            i8::MIN as f32,
            0_f32,
            u8::MAX as f32,
            u16::MAX as f32,
            u32::MAX as f32,
            u32::MAX as f32,
        ];
        let f32_array: ArrayRef = Arc::new(Float32Array::from(f32_values));

        let f64_expected = vec![
            "-2147483648.0",
            "-2147483648.0",
            "-32768.0",
            "-128.0",
            "0.0",
            "255.0",
            "65535.0",
            "4294967296.0",
            "4294967296.0",
        ];
        assert_eq!(
            f64_expected,
            get_cast_values::<Float64Type>(&f32_array, &DataType::Float64)
        );

        let f32_expected = vec![
            "-2147483600.0",
            "-2147483600.0",
            "-32768.0",
            "-128.0",
            "0.0",
            "255.0",
            "65535.0",
            "4294967300.0",
            "4294967300.0",
        ];
        assert_eq!(
            f32_expected,
            get_cast_values::<Float32Type>(&f32_array, &DataType::Float32)
        );

        let i64_expected = vec![
            "-2147483648",
            "-2147483648",
            "-32768",
            "-128",
            "0",
            "255",
            "65535",
            "4294967296",
            "4294967296",
        ];
        assert_eq!(
            i64_expected,
            get_cast_values::<Int64Type>(&f32_array, &DataType::Int64)
        );

        let i32_expected = vec![
            "-2147483648",
            "-2147483648",
            "-32768",
            "-128",
            "0",
            "255",
            "65535",
            "null",
            "null",
        ];
        assert_eq!(
            i32_expected,
            get_cast_values::<Int32Type>(&f32_array, &DataType::Int32)
        );

        let i16_expected = vec![
            "null", "null", "-32768", "-128", "0", "255", "null", "null", "null",
        ];
        assert_eq!(
            i16_expected,
            get_cast_values::<Int16Type>(&f32_array, &DataType::Int16)
        );

        let i8_expected = vec![
            "null", "null", "null", "-128", "0", "null", "null", "null", "null",
        ];
        assert_eq!(
            i8_expected,
            get_cast_values::<Int8Type>(&f32_array, &DataType::Int8)
        );

        let u64_expected = vec![
            "null",
            "null",
            "null",
            "null",
            "0",
            "255",
            "65535",
            "4294967296",
            "4294967296",
        ];
        assert_eq!(
            u64_expected,
            get_cast_values::<UInt64Type>(&f32_array, &DataType::UInt64)
        );

        let u32_expected = vec![
            "null", "null", "null", "null", "0", "255", "65535", "null", "null",
        ];
        assert_eq!(
            u32_expected,
            get_cast_values::<UInt32Type>(&f32_array, &DataType::UInt32)
        );

        let u16_expected = vec![
            "null", "null", "null", "null", "0", "255", "65535", "null", "null",
        ];
        assert_eq!(
            u16_expected,
            get_cast_values::<UInt16Type>(&f32_array, &DataType::UInt16)
        );

        let u8_expected = vec![
            "null", "null", "null", "null", "0", "255", "null", "null", "null",
        ];
        assert_eq!(
            u8_expected,
            get_cast_values::<UInt8Type>(&f32_array, &DataType::UInt8)
        );
    }