Function doSingleTest

test/ut/spec/scale/interval.test.ts:127–144

(
            extent: number[],
            splitNumber: number,
            fixMinMax: boolean
        )

        }

        function doSingleTest(
            extent: number[],
            splitNumber: number,
            fixMinMax: boolean
        ) {
            try {
                doSingleTestDeal(extent, splitNumber, fixMinMax);
            }
            catch (err) {
                err.message += [
                    '     [RAW_INPUTS] '
                    + ` extent: [${extent.join(',')}],`
                    + ` splitNumber: ${splitNumber},`
                    + ` fixMinMax: ${fixMinMax}.`
                ].join('');
                throw err;
            }
        }

        function doSingleTestDeal(
            extent: number[],