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firmware/lib/Rtc-master/extras/RtcTemperatureTests/RtcTemperatureTests.ino

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+// These tests do not rely on RTC hardware at all
+
+//#include <Wire.h> // must be included here so that Arduino library object file references work
+#include <RtcDS3231.h>
+
+void PrintPassFail(bool passed)
+{
+    if (passed)
+    {
+      Serial.print("passed");
+    }
+    else
+    {
+      Serial.print("failed");
+    }
+}
+
+void ComparePrintlnPassFail(RtcTemperature& rtcTemp, float compare)
+{
+    Serial.print(rtcTemp.AsFloatDegC());
+    Serial.print("C ");
+    PrintPassFail(rtcTemp.AsFloatDegC() == compare);
+    Serial.println();
+}
+
+void ConstructorTests()
+{
+    // RTC constructors
+    Serial.println("Constructors:");
+    {
+      RtcTemperature temp075Below(0b11111111, 0b01000000); // -0.75 
+      ComparePrintlnPassFail(temp075Below, -0.75f);
+      
+      RtcTemperature temp050Below(0b11111111, 0b10000000); // -0.5 
+      ComparePrintlnPassFail(temp050Below, -0.50f);
+      
+      RtcTemperature temp025Below(0b11111111, 0b11000000); // -0.25 
+      ComparePrintlnPassFail(temp025Below, -0.25f);
+      
+      RtcTemperature tempZero(0b00000000, 0b00000000); // 0.0 
+      ComparePrintlnPassFail(tempZero, -0.0f);
+      
+      RtcTemperature temp025Above(0b00000000, 0b01000000); // 0.25 
+      ComparePrintlnPassFail(temp025Above, 0.25f);
+      
+      RtcTemperature temp050Above(0b00000000, 0b10000000); // 0.5 
+      ComparePrintlnPassFail(temp050Above, 0.5f);
+      
+      RtcTemperature temp075Above(0b00000000, 0b11000000); // 0.75 
+      ComparePrintlnPassFail(temp075Above, 0.75f);
+
+      RtcTemperature temp25Above(0b00011001, 0b00000000); // 25.0
+      ComparePrintlnPassFail(temp25Above, 25.0f);
+
+      RtcTemperature temp25Below(0b11100111, 0b00000000); // -25.0
+      ComparePrintlnPassFail(temp25Below, -25.0f);
+    }
+    Serial.println();
+    
+    // SameType
+    {
+      Serial.print("same type ");
+      RtcTemperature temp25Below(0b11100111, 0b00000000); // -25.0
+      RtcTemperature test = temp25Below;
+      ComparePrintlnPassFail(test, -25.0f);
+    }
+    
+    // CentiDegrees
+    {
+      Serial.print("centi degrees ");
+      RtcTemperature temp025Below(-25); // -0.25
+      ComparePrintlnPassFail(temp025Below, -0.25f);
+
+      Serial.print("centi degrees ");
+      RtcTemperature temp025Above(25); // 0.25
+      ComparePrintlnPassFail(temp025Above, 0.25f);
+      
+      Serial.print("centi degrees ");
+      RtcTemperature temp25Below(-2500); // -25.0
+      ComparePrintlnPassFail(temp25Below, -25.0f);
+
+      Serial.print("centi degrees ");
+      RtcTemperature temp25Above(2500); // 25.0
+      ComparePrintlnPassFail(temp25Above, 25.0f);
+    }
+    
+    Serial.println();
+}
+
+void PrintlnExpected(RtcTemperature& temp, uint16_t digits)
+{
+  Serial.print(" = ");
+  Serial.print(temp.AsFloatDegC(), digits);
+  Serial.println();
+}
+
+void PrintTests()
+{
+  Serial.println("Prints:");
+  
+  RtcTemperature temp25Above(2500);
+  temp25Above.Print(Serial);
+  PrintlnExpected(temp25Above, 2);
+  
+  RtcTemperature temp25Below(-2500);
+  temp25Below.Print(Serial);
+  PrintlnExpected(temp25Below, 2);
+
+  RtcTemperature temp025Above(25);
+  temp025Above.Print(Serial);
+  PrintlnExpected(temp025Above, 2);
+  temp025Above.Print(Serial, 1);
+  PrintlnExpected(temp025Above, 1);
+  
+  RtcTemperature temp025Below(-25);
+  temp025Below.Print(Serial);
+  PrintlnExpected(temp025Below, 2);
+  temp025Below.Print(Serial, 1);
+  PrintlnExpected(temp025Below, 1);
+
+  RtcTemperature temp050Above(50);
+  temp050Above.Print(Serial);
+  PrintlnExpected(temp050Above, 2);
+  temp050Above.Print(Serial, 0);
+  PrintlnExpected(temp050Above, 0);
+  
+  RtcTemperature temp050Below(-50);
+  temp050Below.Print(Serial);
+  PrintlnExpected(temp050Below, 2);
+  temp050Below.Print(Serial, 0);
+  PrintlnExpected(temp050Below, 0);
+  temp050Below.Print(Serial, 2, ',');
+  Serial.println(" == -0,50");
+  
+  Serial.println();
+}
+
+void MathmaticalOperatorTests()
+{
+  Serial.println("Mathmaticals:");
+
+  RtcTemperature temp050Below(-50);
+  RtcTemperature temp050Above(50);
+  RtcTemperature temp050Diff(100);
+  RtcTemperature temp050Same(-50);
+  RtcTemperature tempResult;
+
+  Serial.print("equality ");
+  PrintPassFail(temp050Below == temp050Same);
+  Serial.println();
+
+  Serial.print("inequality ");
+  PrintPassFail(temp050Below != temp050Above);
+  Serial.println();
+  
+  Serial.print("less than ");
+  PrintPassFail(temp050Below < temp050Above);
+  Serial.println();
+
+  Serial.print("greater than ");
+  PrintPassFail(temp050Above > temp050Below);
+  Serial.println();
+
+  Serial.print("less than ");
+  PrintPassFail(temp050Below <= temp050Above);
+  Serial.print(" or equal ");
+  PrintPassFail(temp050Below <= temp050Same);
+  Serial.println();
+
+  Serial.print("greater than ");
+  PrintPassFail(temp050Above >= temp050Below);
+  Serial.print(" or equal ");
+  PrintPassFail(temp050Below >= temp050Same);
+  Serial.println();
+
+  tempResult = temp050Above - temp050Below;
+  Serial.print("subtraction ");
+  PrintPassFail(tempResult == temp050Diff);
+  Serial.println();
+
+  tempResult = temp050Above + temp050Above;
+  Serial.print("addition ");
+  PrintPassFail(tempResult == temp050Diff);
+  Serial.println();
+    
+  Serial.println();
+}
+
+void setup () 
+{
+    Serial.begin(115200);
+    while (!Serial);
+    Serial.println();
+    
+    ConstructorTests();
+    PrintTests();
+    MathmaticalOperatorTests();
+}
+
+void loop () 
+{
+    delay(500);
+}
+