Digits FRQ

Author: mrchanr

.github/workflows/classroom.yml

@@ -0,0 +1,40 @@
+name: Autograding Tests
+'on':
+- push
+- repository_dispatch
+permissions:
+  checks: write
+  actions: read
+  contents: read
+jobs:
+  run-autograding-tests:
+    runs-on: ubuntu-latest
+    if: github.actor != 'github-classroom[bot]'
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+    - name: constructor
+      id: constructor
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: constructor
+        setup-command: ''
+        command: gradle test --tests "*constructor*"
+        timeout: 10
+        max-score: 1
+    - name: isStrictlyIncreasing
+      id: isstrictlyincreasing
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: isStrictlyIncreasing
+        setup-command: ''
+        command: gradle test --tests "isStrictlyIncreasing"
+        timeout: 10
+        max-score: 1
+    - name: Autograding Reporter
+      uses: classroom-resources/autograding-grading-reporter@v1
+      env:
+        CONSTRUCTOR_RESULTS: "${{steps.constructor.outputs.result}}"
+        ISSTRICTLYINCREASING_RESULTS: "${{steps.isstrictlyincreasing.outputs.result}}"
+      with:
+        runners: constructor,isstrictlyincreasing

README.md

@@ -6,9 +6,7 @@ When you are done working for now, make sure to commit your changes by going to
 Give a descriptive message to your changeset, and click the Commit button, make sure to respond "Yes" to staging all changes.<br>
 After you have committed your changes, you must sync them to your repository.
 
-# Tests
-```
-```
+
 <img width="1280" height="908" alt="Test" src="https://github.com/user-attachments/assets/8fa178c9-f67b-406b-a1fa-fb98fd644e2f" />
 
 <img width="1280" height="864" alt="Commit" src="https://github.com/user-attachments/assets/898ca306-9b43-4ffa-981d-8f29ab081fed" />

lib/src/main/java/org/APCSLowell/Digits.java

@@ -0,0 +1,26 @@
+package org.APCSLowell;
+
+import java.util.ArrayList;
+
+public class Digits {
+    /** The list of digits from the number used to construct this object.
+     *  The digits appear in the list in the same order in which they appear in the original number
+     */
+    public ArrayList<Integer> digits;
+
+    /** Constructs a `Digits` object that represents `num`.
+     *  *Precondition*: `num >= 0`
+     */
+    public Digits(int num) {
+        /* To be implemented in part (a) */
+        throw new UnsupportedOperationException();
+    }
+
+    /** Returns `true` if the digits in this `Digits` object are in strictly increasing order;
+     *      `false` otherwise.
+     */
+    public boolean isStrictlyIncreasing() {
+        /* To be implemented in part (b) */
+        throw new UnsupportedOperationException();
+    }
+}

lib/src/main/java/org/APCSLowell/Library.java

@@ -0,0 +1,38 @@
+package org.APCSLowell;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class DigitsTest {
+    int[] tests = { 
+        57362, 18587, 21600, 15858,
+        20786, 19398, 1106,  57254,
+        37318, 3469,  1860,  36752,
+        9050,  24895, 30845, 13776,
+     };
+
+    @Test
+    public void constructor() {
+        Digits digits;
+        for (int test : tests) {
+            digits = new Digits(test);
+
+            for (int i = 0; i < digits.digits.size(); i++) {
+                assertEquals(digits.digits.get(i).intValue(), test % 10);
+                test /= 10;
+            }
+        }
+    }
+    @Test
+    public void isStrictlyIncreasing() {
+        Digits digits;
+        for (int test : tests) {
+            digits = new Digits(test);
+            boolean expected = true;
+            for (int i = 1; i < digits.digits.size(); i++)
+                if (digits.digits.get(i) <= digits.digits.get(i-1))
+                    expected = false;
+            assertEquals(expected, digits.isStrictlyIncreasing());
+        }
+    }
+}