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1 //////////////////////////////////////////////////////////////////////////////
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2 /// deco_volume_test.cpp
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3 /// Unit test for gas consumption c code.
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4 /// Copyright (c) 2015, JD Gascuel, HeinrichsWeikamp, all right reserved.
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5 //////////////////////////////////////////////////////////////////////////////
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6 // HISTORY
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7 // 2015-05-27 jDG: Creation for gas volum re-introduction in hwOS 1.80
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8
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9 extern "C" {
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10 # include "p2_deco.c"
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11 }
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12
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13 #include <gtest/gtest.h>
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14
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15 //////////////////////////////////////////////////////////////////////////////
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16 /// \brief Defines a default OC gas list
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17 static void setup_gas()
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18 {
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19 char_I_first_gas = 1;
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20 char_I_const_ppO2 = 0; // Default to OC mode
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21
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22 #define DEFINE_GAS(gas, o2, he, depth, role) \
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23 char_I_deco_N2_ratio [gas-1] = 100 - o2 - he; \
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24 char_I_deco_He_ratio [gas-1] = he; \
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25 char_I_deco_gas_change[gas-1] = depth;
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26
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27 DEFINE_GAS(1, 21, 0, 0, 1); // Gas#1 : Air FIRST
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28 DEFINE_GAS(2, 18, 30, 0, 2); // Gas#2 : Tx18/30 TRAVEL
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29 DEFINE_GAS(3, 80, 0, 9, 3); // Gas#3 : Nx80 @ 9m DECO
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286
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30 DEFINE_GAS(4, 21, 0, 0, 0); // Gas#2 : air @ 10m DISABLED
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31 DEFINE_GAS(5, 21, 0, 0, 0); // Gas#2 : air @ 40m DISABLED
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285
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32 }
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33
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34 //////////////////////////////////////////////////////////////////////////////
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35 /// \brief Define a default deco plan.
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36 static void setup_plan()
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37 {
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38 // 1 min at 12m
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39 char_O_deco_time [0] = 1;
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40 char_O_deco_depth[0] =12;
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41 char_O_deco_gas [0] = 1; // Gas#1
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42 // 1 min at 9m
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43 char_O_deco_time [1] = 1;
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44 char_O_deco_depth[1] = 9;
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45 char_O_deco_gas [1] = 3; // Gas#3
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46 // 3min at 6m
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47 char_O_deco_time [2] = 3;
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48 char_O_deco_depth[2] = 6;
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49 char_O_deco_gas [2] = 3; // Gas#3
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50 // 12 min at 3m
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51 char_O_deco_time [3] =12;
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52 char_O_deco_depth[3] = 3;
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53 char_O_deco_gas [3] = 3; // Gas#3
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54 // Done
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55 for(int s=4; s<NUM_STOPS; ++s) {
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56 char_O_deco_time [s] = 0;
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57 char_O_deco_depth[s] = 0;
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58 char_O_deco_gas [s] = 0;
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59 }
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60 }
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61
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62 static void setup_dive(int bottom, int depth)
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63 {
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64 setup_gas();
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65 setup_plan();
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66
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286
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67 char_I_bottom_depth = depth;
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68 char_I_bottom_time = bottom;
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69 }
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70
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71 //////////////////////////////////////////////////////////////////////////////
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72 /// \brief Gas consumption at a fixed depth
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73 static float fixed(int rmv, int time, int depth) {
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74 return rmv * time * (1 + 0.1f*depth);
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75 }
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76
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77 TEST(gas_volume, fixed)
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78 {
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79 EXPECT_EQ(20*30*1, fixed(20,30, 0)); // 30' @ 0m
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80 EXPECT_EQ(20*30*5, fixed(20,30,40)); // 30' @ 40m
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81 }
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82
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83 //////////////////////////////////////////////////////////////////////////////
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84 /// \brief Gas consumption during an ascent at 10m/min.
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85 static float ascent(int rmv, int oldDepth, int newDepth)
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86 {
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87 return rmv
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88 * abs(oldDepth-newDepth)*0.1f // Ascent time
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89 * (1 + 0.05f*(oldDepth + newDepth)); // Avg pressure.
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90 }
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91
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92 TEST(gas_volume, ascent)
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93 {
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94 EXPECT_EQ(0, ascent(20, 30, 30)); // 30m -> 30m : no time, no conso
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95 EXPECT_EQ(20*4*(1+2), ascent(20, 40, 0)); // 40m -> 0m : 4min, avg 20m
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96 EXPECT_EQ(20*4*(1+2), ascent(20, 0, 40)); // 0m -> 40m : 4min, avg 20m
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285
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97 }
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98
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99 //////////////////////////////////////////////////////////////////////////////
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100
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286
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101 TEST(gas_volume, 30min40m_no_stops)
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102 {
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103 setup_dive(30, 40); // 30' @ 40m
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104 for(int s=0; s<32; ++s)
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105 char_O_deco_time[s] = 0;
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106
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107 ASSERT_NO_THROW( deco_gas_volumes() );
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108 EXPECT_EQ(fixed(20,30,40) + ascent(20,40,0),
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109 int_O_gas_volumes[0]);
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110 EXPECT_EQ(0, int_O_gas_volumes[1]);
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111 EXPECT_EQ(0, int_O_gas_volumes[2]);
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112 EXPECT_EQ(0, int_O_gas_volumes[3]);
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113 EXPECT_EQ(0, int_O_gas_volumes[4]);
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114 }
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115
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116 //////////////////////////////////////////////////////////////////////////////
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117
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118 TEST(gas_volume, 30min40m_1min_1min_3min_12min)
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285
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119 {
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120 setup_dive(30, 40); // 30' @ 40m
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121
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286
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122 ASSERT_NO_THROW( deco_gas_volumes() );
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123 EXPECT_NEAR(fixed(20,30,40) + ascent(20,40,12)
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124 + fixed(20, 1,12) + ascent(20,12,9),
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125 int_O_gas_volumes[0], 1);
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126 EXPECT_EQ(0, int_O_gas_volumes[1]);
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127 EXPECT_NEAR(fixed(20, 1,9) + ascent(20,9,6)
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128 + fixed(20, 3,6) + ascent(20,6,3)
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129 + fixed(20,12,3) + ascent(20,3,0),
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130 int_O_gas_volumes[2], 1);
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131 EXPECT_EQ(0, int_O_gas_volumes[3]);
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132 EXPECT_EQ(0, int_O_gas_volumes[4]);
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285
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133 }
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