105 lines
2.7 KiB
JavaScript
105 lines
2.7 KiB
JavaScript
import Signal from "../../models/can/signal";
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const someSignalParams = {
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name: "STEER_TORQUE",
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startBit: 7,
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size: 16,
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isLittleEndian: false,
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isSigned: true,
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factor: 1,
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offset: 0,
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min: -3840,
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max: 3840,
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unit: ""
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};
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const someOtherSignalParams = {
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name: "DIFFERENT_NAME",
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startBit: 0,
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size: 16,
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isLittleEndian: false,
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isSigned: true,
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factor: 1,
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offset: 0,
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min: -3840,
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max: 3840,
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unit: ""
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};
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test("Signal.equals returns true for signals with identical properties", () => {
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const someSignal = new Signal(someSignalParams);
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const someEquivalentSignal = new Signal(someSignalParams);
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expect(someSignal.equals(someEquivalentSignal)).toBe(true);
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});
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test("Signal.equals returns false for signals with different properties", () => {
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const someSignal = new Signal(someSignalParams);
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const differentSignal = new Signal(someOtherSignalParams);
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expect(someSignal.equals(differentSignal)).toBe(false);
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});
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test("Signal.bitDescription returns proper description for a little endian signal", () => {
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const littleEndianSignal = new Signal({
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name: "little endian signal",
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startBit: 20,
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size: 4,
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isLittleEndian: true
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});
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expect(littleEndianSignal.bitDescription(20).bitNumber).toBe(0);
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expect(littleEndianSignal.bitDescription(21).bitNumber).toBe(1);
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expect(littleEndianSignal.bitDescription(22).bitNumber).toBe(2);
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expect(littleEndianSignal.bitDescription(23).bitNumber).toBe(3);
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});
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test("Signal.bitDescription returns proper description for a big endian signal", () => {
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const bigEndianSignal = new Signal({
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name: "big endian signal",
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startBit: 7,
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size: 16,
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isLittleEndian: false
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});
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const bitFifteenDescription = {
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bitNumber: 8,
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isLsb: false,
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isMsb: false,
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range: [0, 15]
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};
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const bitZeroDescription = {
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bitNumber: 7,
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isLsb: false,
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isMsb: false,
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range: [0, 15]
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};
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const bitEightDescription = {
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bitNumber: 15,
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isLsb: true,
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isMsb: false,
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range: [0, 15]
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};
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const bitSevenDescription = {
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bitNumber: 0,
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isLsb: false,
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isMsb: true,
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range: [0, 15]
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};
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expect(bigEndianSignal.bitDescription(15)).toEqual(bitFifteenDescription);
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expect(bigEndianSignal.bitDescription(0)).toEqual(bitZeroDescription);
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expect(bigEndianSignal.bitDescription(8)).toEqual(bitEightDescription);
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expect(bigEndianSignal.bitDescription(7)).toEqual(bitSevenDescription);
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});
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test("Signal.bitDescription returns null for bit index that is not in its range", () => {
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const someSignal = new Signal({
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name: "some signal",
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startBit: 20,
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size: 4,
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isLittleEndian: false
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});
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expect(someSignal.bitDescription(21)).toBe(null);
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expect(someSignal.bitDescription(16)).toBe(null);
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});
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