Solved day 1 part 2

Author: Gentleman1983

README.md

@@ -19,7 +19,7 @@ To run all solutions, simply run `./gradlew run`. If you want to run the solutio
 
 | Day     | Part 1  | Part 2  |
 |---------|---------|---------|
-| 1       | ⭐       | ❌       |
+| 1       | ⭐       | ⭐       |
 | 2       | ❌       | ❌       |
 | 3       | ❌       | ❌       |
 | 4       | ❌       | ❌       |
@@ -44,6 +44,6 @@ To run all solutions, simply run `./gradlew run`. If you want to run the solutio
 | 23      | ❌       | ❌       |
 | 24      | ❌       | ❌       |
 | 25      | ❌       | ❌       |
-| **SUM** | **1 ⭐** | **0 ⭐** |
+| **SUM** | **1 ⭐** | **1 ⭐** |
 
-Total: 1 ⭐
+Total: 2 ⭐

build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 // project meta data
 group 'de.havox_design.aoc2015'
-version '0.0.4'
+version '0.0.5'
 
 // Switch to gradle "all" distribution.
 wrapper {

day01/src/main/java/de/havox_design/aoc2015/day01/MainClass.java

@@ -7,6 +7,6 @@ public class MainClass {
 
     public static void main(String[] args) {
         LOGGER.info("Solution 1: " + NotQuiteLisp.processTask1("day01.txt"));
-        LOGGER.info("Solution 2: 23");
+        LOGGER.info("Solution 2: " + NotQuiteLisp.processTask2("day01.txt"));
     }
 }

day01/src/main/java/de/havox_design/aoc2015/day01/NotQuiteLisp.java

@@ -16,6 +16,11 @@ public static int processTask1(String fileName) {
         return instance.processTask1();
     }
 
+    public static int processTask2(String fileName) {
+        NotQuiteLisp instance = new NotQuiteLisp(fileName);
+        return instance.processTask2();
+    }
+
     public int processTask1() {
         int currentFloor = 0;
 
@@ -26,6 +31,22 @@ public int processTask1() {
         return currentFloor;
     }
 
+    public int processTask2() {
+        int currentFloor = 0;
+        int step = 0;
+
+        for(char c : input.toCharArray()) {
+            step++;
+            currentFloor += translateFloor(c);
+
+            if(-1 == currentFloor) {
+                return step;
+            }
+        }
+
+        throw new IllegalArgumentException("Expected Santa to enter basement (floor '-1').");
+    }
+
     private int translateFloor(char c) {
         if('(' == c) {
             return 1;

day01/src/test/java/de/havox_design/aoc2015/day01/Day01Test.java

@@ -35,4 +35,17 @@ private static Stream<Arguments> getDataForTask1() {
                 Arguments.of("task1sample9.txt", -3)
         );
     }
+
+    @ParameterizedTest
+    @MethodSource("getDataForTask2")
+    void testTask2(String fileName, int expectedStep) {
+        Assertions.assertEquals(expectedStep, NotQuiteLisp.processTask2(fileName));
+    }
+
+    private static Stream<Arguments> getDataForTask2() {
+        return Stream.of(
+                Arguments.of("task2sample1.txt", 1),
+                Arguments.of("task2sample2.txt", 5)
+        );
+    }
 }

day01/src/test/resources/task2sample1.txt

@@ -0,0 +1 @@
+)

day01/src/test/resources/task2sample2.txt

@@ -0,0 +1 @@
+()())