From 899f0b2fc5ad1838d431a7984207efd43223a1f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Sat, 21 Dec 2019 00:28:00 +0100
Subject: [PATCH] Add test case for exercise 1.

---
 1/fuel_test.go |  19 ++++++++++
 1/input.txt    | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 1/main.go      |  10 +++--
 3 files changed, 126 insertions(+), 3 deletions(-)
 create mode 100644 1/fuel_test.go
 create mode 100644 1/input.txt

diff --git a/1/fuel_test.go b/1/fuel_test.go
new file mode 100644
index 0000000..6f356a5
--- /dev/null
+++ b/1/fuel_test.go
@@ -0,0 +1,19 @@
+package main
+
+import "testing"
+
+func TestFuel1(t *testing.T) {
+	t.Parallel()
+	if calcFuel(12) != 2 {
+		t.Error("Error")
+	}
+	if calcFuel(14) != 2 {
+		t.Error("Error")
+	}
+	if calcFuel(1969) != 654 {
+		t.Error("Error")
+	}
+	if calcFuel(100756) != 33583 {
+		t.Error("Error")
+	}
+}
diff --git a/1/input.txt b/1/input.txt
new file mode 100644
index 0000000..2a91d86
--- /dev/null
+++ b/1/input.txt
@@ -0,0 +1,100 @@
+78207
+89869
+145449
+73634
+78681
+81375
+131482
+126998
+50801
+115839
+77949
+53203
+146099
+56912
+59925
+132631
+115087
+89543
+123234
+108110
+109873
+81923
+124264
+87981
+106554
+147239
+73615
+72609
+129684
+84175
+64915
+98124
+74391
+55211
+120961
+119116
+148275
+89605
+115986
+120547
+50299
+137922
+78906
+145216
+80424
+122610
+61408
+97573
+127533
+116820
+76068
+77400
+117943
+85231
+102442
+62002
+58761
+56479
+98200
+85971
+73985
+88908
+82719
+120604
+83378
+88241
+122574
+76731
+99810
+137548
+102617
+105352
+137585
+83238
+118817
+149419
+107629
+63893
+56049
+70693
+83844
+76413
+87021
+90259
+124289
+102527
+139625
+106607
+120241
+101098
+66142
+96591
+82277
+142297
+116671
+131881
+94861
+79741
+73561
+115214
diff --git a/1/main.go b/1/main.go
index ba8eced..7368082 100644
--- a/1/main.go
+++ b/1/main.go
@@ -10,9 +10,9 @@ func calcFuel(mass int) int {
 	return mass/3 - 2
 }
 
-func main() {
+func totalFuel(input string) int {
 	var lines []int
-	lines, err := tools.ScanFileInt("input.txt")
+	lines, err := tools.ScanFileInt(input)
 	if err != nil {
 		fmt.Println("Error")
 	}
@@ -20,5 +20,9 @@ func main() {
 	for _, value := range lines {
 		sum += calcFuel(value)
 	}
-	fmt.Println(sum)
+	return sum
+}
+
+func main() {
+	fmt.Println(totalFuel("input.txt"))
 }
-- 
2.44.0