fn test_cast_from_int64()

in arrow-cast/src/cast.rs [6631:6783]

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

    fn test_cast_from_int64() {
        let i64_values: Vec<i64> = vec![
            i64::MIN,
            i32::MIN as i64,
            i16::MIN as i64,
            i8::MIN as i64,
            0,
            i8::MAX as i64,
            i16::MAX as i64,
            i32::MAX as i64,
            i64::MAX,
        ];
        let i64_array: ArrayRef = Arc::new(Int64Array::from(i64_values));

        let f64_expected = vec![
            -9223372036854776000.0,
            -2147483648.0,
            -32768.0,
            -128.0,
            0.0,
            127.0,
            32767.0,
            2147483647.0,
            9223372036854776000.0,
        ];
        assert_eq!(
            f64_expected,
            get_cast_values::<Float64Type>(&i64_array, &DataType::Float64)
                .iter()
                .map(|i| i.parse::<f64>().unwrap())
                .collect::<Vec<f64>>()
        );

        let f32_expected = vec![
            -9223372000000000000.0,
            -2147483600.0,
            -32768.0,
            -128.0,
            0.0,
            127.0,
            32767.0,
            2147483600.0,
            9223372000000000000.0,
        ];
        assert_eq!(
            f32_expected,
            get_cast_values::<Float32Type>(&i64_array, &DataType::Float32)
                .iter()
                .map(|i| i.parse::<f32>().unwrap())
                .collect::<Vec<f32>>()
        );

        let i64_expected = vec![
            "-9223372036854775808",
            "-2147483648",
            "-32768",
            "-128",
            "0",
            "127",
            "32767",
            "2147483647",
            "9223372036854775807",
        ];
        assert_eq!(
            i64_expected,
            get_cast_values::<Int64Type>(&i64_array, &DataType::Int64)
        );

        let i32_expected = vec![
            "null",
            "-2147483648",
            "-32768",
            "-128",
            "0",
            "127",
            "32767",
            "2147483647",
            "null",
        ];
        assert_eq!(
            i32_expected,
            get_cast_values::<Int32Type>(&i64_array, &DataType::Int32)
        );

        assert_eq!(
            i32_expected,
            get_cast_values::<Date32Type>(&i64_array, &DataType::Date32)
        );

        let i16_expected = vec![
            "null", "null", "-32768", "-128", "0", "127", "32767", "null", "null",
        ];
        assert_eq!(
            i16_expected,
            get_cast_values::<Int16Type>(&i64_array, &DataType::Int16)
        );

        let i8_expected = vec![
            "null", "null", "null", "-128", "0", "127", "null", "null", "null",
        ];
        assert_eq!(
            i8_expected,
            get_cast_values::<Int8Type>(&i64_array, &DataType::Int8)
        );

        let u64_expected = vec![
            "null",
            "null",
            "null",
            "null",
            "0",
            "127",
            "32767",
            "2147483647",
            "9223372036854775807",
        ];
        assert_eq!(
            u64_expected,
            get_cast_values::<UInt64Type>(&i64_array, &DataType::UInt64)
        );

        let u32_expected = vec![
            "null",
            "null",
            "null",
            "null",
            "0",
            "127",
            "32767",
            "2147483647",
            "null",
        ];
        assert_eq!(
            u32_expected,
            get_cast_values::<UInt32Type>(&i64_array, &DataType::UInt32)
        );

        let u16_expected = vec![
            "null", "null", "null", "null", "0", "127", "32767", "null", "null",
        ];
        assert_eq!(
            u16_expected,
            get_cast_values::<UInt16Type>(&i64_array, &DataType::UInt16)
        );

        let u8_expected = vec![
            "null", "null", "null", "null", "0", "127", "null", "null", "null",
        ];
        assert_eq!(
            u8_expected,
            get_cast_values::<UInt8Type>(&i64_array, &DataType::UInt8)
        );
    }