testing

GoesToEleven · GoesToEleven · commit 53841fcb90f8 · 2016-10-23T05:13:45.000-07:00
diff --git a/24_testing/00_under-development/01/sample.txt b/24_testing/00_under-development/01/sample.txt
diff --git a/24_testing/math.go b/24_testing/math.go
@@ -0,0 +1,9 @@
+package math
+
+func Adder(xs ...int) int {
+	res := 0
+	for _, v := range xs {
+		res += v
+	}
+	return res
+}
diff --git a/24_testing/math_test.go b/24_testing/math_test.go
@@ -0,0 +1,43 @@
+package math
+
+import (
+	"fmt"
+	"testing"
+	"testing/quick"
+)
+
+func TestAdder(t *testing.T) {
+	result := Adder(4, 7)
+	if result != 11 {
+		t.Fatal("4 + 7 did not equal 11")
+	}
+}
+
+func BenchmarkAdder(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		Adder(4, 7)
+	}
+}
+
+func ExampleAdder() {
+	fmt.Println(Adder(4, 7))
+	// Output:
+	// 11
+}
+
+func ExampleAdder_multiple() {
+	fmt.Println(Adder(3, 6, 7, 4, 61))
+	// Output:
+	// 81
+}
+
+func TestAdderBlackbox(t *testing.T) {
+	err := quick.Check(a, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func a(x, y int) bool {
+	return Adder(x, y) == x+y
+}
