Line data Source code
1 : /****************************************************************************/
2 : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
3 : // Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
4 : // This program and the accompanying materials are made available under the
5 : // terms of the Eclipse Public License 2.0 which is available at
6 : // https://www.eclipse.org/legal/epl-2.0/
7 : // This Source Code may also be made available under the following Secondary
8 : // Licenses when the conditions for such availability set forth in the Eclipse
9 : // Public License 2.0 are satisfied: GNU General Public License, version 2
10 : // or later which is available at
11 : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
12 : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
13 : /****************************************************************************/
14 : /// @file MSCFModelTest.cpp
15 : /// @author Jakob Erdmann
16 : /// @author Michael Behrisch
17 : /// @date 2013-06-05
18 : ///
19 : // Tests the cfmodel functions
20 : /****************************************************************************/
21 :
22 : // ===========================================================================
23 : // included modules
24 : // ===========================================================================
25 : #include <config.h>
26 :
27 : #include <gtest/gtest.h>
28 : #include <utils/vehicle/SUMOVTypeParameter.h>
29 : #include <microsim/MSGlobals.h>
30 : #include <microsim/MSVehicleType.h>
31 : #include <microsim/cfmodels/MSCFModel.h>
32 : #include <microsim/cfmodels/MSCFModel_Krauss.h>
33 :
34 :
35 4 : class MSCFModelTest : public testing::Test {
36 : protected :
37 : MSVehicleType* type;
38 : MSCFModel* m;
39 : double accel;
40 : double decel;
41 : double dawdle;
42 : double tau; // headway time
43 :
44 4 : virtual void SetUp() {
45 4 : accel = 2;
46 4 : decel = 4;
47 4 : dawdle = 0;
48 4 : tau = 1;
49 4 : type = new MSVehicleType(SUMOVTypeParameter("0"));
50 4 : m = new MSCFModel_Krauss(type);
51 4 : }
52 :
53 4 : virtual void TearDown() {
54 4 : delete m;
55 4 : delete type;
56 4 : }
57 : };
58 :
59 : /* Test the method 'brakeGap'.*/
60 :
61 1 : TEST_F(MSCFModelTest, test_method_brakeGap) {
62 : // discrete braking model. keep driving for 1 s
63 : const double v = 3;
64 1 : EXPECT_DOUBLE_EQ(tau * v, m->brakeGap(v));
65 1 : }
66 :
67 1 : TEST_F(MSCFModelTest, test_method_static_brakeGap) {
68 : const double v = 3;
69 : const double b = 4;
70 : const double t = 1; // tau
71 1 : EXPECT_DOUBLE_EQ(3, m->brakeGap(v, b, t));
72 1 : EXPECT_DOUBLE_EQ(0, m->brakeGap(v, b, 0));
73 1 : EXPECT_DOUBLE_EQ(3, m->brakeGap(7, b, 0));
74 1 : EXPECT_DOUBLE_EQ(28.6, m->brakeGap(18.4, 4.5, 0));
75 1 : EXPECT_DOUBLE_EQ(47., m->brakeGap(22.9, 4.5, 0));
76 1 : EXPECT_DOUBLE_EQ(44., m->brakeGap(22.25, 4.5, 0));
77 1 : }
78 :
79 1 : TEST_F(MSCFModelTest, test_method_static_freeSpeed) {
80 : const double vCur = 10;
81 : const double b = 4;
82 : const double v = 0;
83 : const double g = 4;
84 1 : EXPECT_DOUBLE_EQ(4, MSCFModel::freeSpeed(vCur, b, g, v, false, 1.0));
85 1 : EXPECT_DOUBLE_EQ(8, MSCFModel::freeSpeed(vCur, b, g, v, true, 1.0));
86 1 : EXPECT_DOUBLE_EQ(17.5, MSCFModel::freeSpeed(vCur, 5, 30, 10, false, 1.0));
87 1 : EXPECT_DOUBLE_EQ(18.4, MSCFModel::freeSpeed(vCur, 4.5, 20, 13.9, false, 1.0));
88 1 : EXPECT_DOUBLE_EQ(18.4, MSCFModel::freeSpeed(vCur, 4.5, 30, 13.9, false, 1.0));
89 1 : EXPECT_DOUBLE_EQ(22.9, MSCFModel::freeSpeed(vCur, 4.5, 30, 13.9, true, 1.0));
90 1 : EXPECT_DOUBLE_EQ(22.25, MSCFModel::freeSpeed(vCur, 4.5, 40, 13.9, false, 1.0));
91 1 : }
92 :
93 :
94 1 : TEST_F(MSCFModelTest, test_method_static_freeSpeed_half) {
95 1 : DELTA_T = 500;
96 : const double vCur = 10;
97 : const double b = 4;
98 : const double v = 0;
99 : const double g = 4;
100 1 : EXPECT_DOUBLE_EQ(14. / 3., MSCFModel::freeSpeed(vCur, b, g, v, false, TS));
101 1 : EXPECT_DOUBLE_EQ(6., MSCFModel::freeSpeed(vCur, b, 6, v, false, TS));
102 1 : EXPECT_DOUBLE_EQ(18.75, MSCFModel::freeSpeed(vCur, 5, 30, 10, false, TS));
103 1 : EXPECT_DOUBLE_EQ(18.4, MSCFModel::freeSpeed(vCur, 4.5, 20, 13.9, false, TS));
104 1 : EXPECT_DOUBLE_EQ(20.65, MSCFModel::freeSpeed(vCur, 4.5, 20, 13.9, true, TS));
105 1 : EXPECT_DOUBLE_EQ(20.65, MSCFModel::freeSpeed(vCur, 4.5, 30, 13.9, false, TS));
106 1 : EXPECT_DOUBLE_EQ(22.9, MSCFModel::freeSpeed(vCur, 4.5, 30, 13.9, true, TS));
107 1 : EXPECT_DOUBLE_EQ(22.9, MSCFModel::freeSpeed(vCur, 4.5, 40, 13.9, false, TS));
108 1 : DELTA_T = 1000;
109 1 : }
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