finished step1

README.md

@@ -26,11 +26,27 @@ Please include the following when you are writing your PR:
 General things:
 
 1. What is the purpose of this PR?
+
+Submit Pt2 Update
+
 2. What changes did you make? Why?
+
+Wrote the cpp source files for pricing calculation
+
 3. What bugs did you find while testing?
 
+N/A
+
 This PR Specific:
 
 1. What challenges did you face while writing the module from scratch?
+
+N/A. Took a few minutes to get used to headers
+
 2. How did you ensure your unit tests are comprehensive?
+
+Thought of a lot of edge cases, and tested them.
+
 3. Did you have enough guidance to complete the task?
+
+Generally, yes.

src/pricingutil.cpp

@@ -1 +1,12 @@
 #include "pricingutil.h"
+
+PricingUtil::PricingUtil(): val(0) {}
+
+float PricingUtil::calcVal(float prevPrice, float interest, float oleoConstant) {
+    this->val = (prevPrice * (0.9 + interest)) * oleoConstant;
+    return this->val;
+}
+
+float PricingUtil::getVal() {
+    return this->val;
+}

src/pricingutil.h

@@ -9,9 +9,10 @@
 class PricingUtil {
   public:
     PricingUtil();
-    float val = 0;
     float calcVal(float prevPrice, float interest, float oleoConstant);
     float getVal();
+  private:
+    float val;
 };
 
 

tst/test_pricingutil.cpp

@@ -1,5 +1,40 @@
 #include <gtest/gtest.h>
+#include "pricingutil.h"
 
 TEST(sampleTest, sample) {
     EXPECT_EQ(4, 4);
+}
+
+
+//pu has getVal() and calcVal(float prevPrice, float interest, float oleoConstant)
+//Theoretical Value = (Previous Price * (0.9 + Interest Rate)) * Oleo Constant
+
+TEST(PricingUtilTest, zeroEverything) {
+    PricingUtil pu;
+    EXPECT_EQ(0.0, pu.calcVal(0.0, 0.0, 0.0));
+}
+
+TEST(PricingUtilTest, negPrevPrice) {
+    PricingUtil pu;
+    EXPECT_EQ(-1.0, pu.calcVal(-1.0, 0.1, 1.0));
+}
+
+TEST(PricingUtilTest, zeroConstant) {
+    PricingUtil pu;
+    EXPECT_EQ(0.0, pu.calcVal(-1.0, 0.1, 0.0));
+
+}
+
+TEST(PricingUtilTest, negInterest) {
+    PricingUtil pu;
+    EXPECT_EQ(-0.8f, pu.calcVal(-1.0, -0.1, 1.0));
+}
+
+TEST(PricingUtilTest, getVal) {
+    PricingUtil pu;
+    EXPECT_EQ(0, pu.getVal());
+    float calculated = pu.calcVal(-1.0, -0.1, 1.0);
+    EXPECT_EQ(calculated, pu.getVal());
+    EXPECT_EQ(calculated, -0.8f);
+
 }