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add test for signed little endian signal

main
Andy Haden 2018-09-18 14:56:00 -07:00
parent 8c69f9127f
commit 774b4758ec
1 changed files with 18 additions and 0 deletions
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18
src/__tests__/can/dbc.parse.test.js
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@ -373,6 +373,24 @@ test("int32 parser produces correct value for 4-bit little endian signal within
expect(value).toEqual(2);
});
const DBC_MESSAGE_WITH_LE_SIGNED_SIGNAL = `
BO_ 688 SAS11: 5 MDPS
SG_ SAS_Angle : 0|16@1- (0.1,0.0) [-3276.8|3276.7] "Deg" _4WD,ACU,AFLS,AVM,CLU,ECS,EMS,ESC,IBOX,LCA,LDWS_LKAS,PGS,PSB,SCC,SPAS,TCU,_4WD,ACU,AFLS,AVM,BCM,CLU,ECS,EMS,ESC,IBOX,LCA,LDWS_LKAS,PGS,PSB,SCC,SPAS,TCU
SG_ SAS_Speed : 16|8@1+ (4.0,0.0) [0.0|1016.0] "" AFLS,ECS,ESC,IBOX,LDWS_LKAS,SCC,SPAS,TCU,AFLS,ECS,ESC,IBOX,LDWS_LKAS,SCC,SPAS,TCU
SG_ SAS_Stat : 24|8@1+ (1.0,0.0) [0.0|255.0] "" ECS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS,TCU,ECS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS,TCU
SG_ MsgCount : 32|4@1+ (1.0,0.0) [0.0|15.0] "" ECS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS,ECS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS
SG_ CheckSum : 36|4@1+ (1.0,0.0) [0.0|15.0] "" ECS,EMS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS,ECS,EMS,ESC,IBOX,LDWS_LKAS,PSB,SCC,SPAS
`;
test("int32 parser produces correct value for 2-byte signed little endian signal within a 5-byte message", () => {
const dbc = new DBC(DBC_MESSAGE_WITH_LE_SIGNED_SIGNAL);
const frame = dbc.getMessageFrame(688);
const signalSpec = frame.signals["SAS_Angle"];
const hexData = "000000fafe000700";
const value = dbcInt32SignalValue(dbc, signalSpec, hexData, frame.size);
expect(value).toEqual(-26.200000000000003);
});
const DBC_CHFFR_METRIC_COMMENT = `
BO_ 37 STEERING_CONTROL: 8 XXX
SG_ STEER_ANGLE : 6|4@1+ (1,0) [0|15] "" XXX