Add remaining

testbench/testbench.go

@@ -0,0 +1,9 @@
+package testbench
+
+func IntMin(a, b int) int {
+	if a < b {
+		return a
+	}
+
+	return b
+}

testbench/testbench_test.go

@@ -0,0 +1,46 @@
+package testbench
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestIntMinBasic(t *testing.T) {
+	ans := IntMin(2, -2)
+
+	if ans != -2 {
+		t.Errorf("IntMain(2, -2) = %d, want -2", ans)
+	}
+}
+
+func TestIntMinTableDrive(t *testing.T) {
+	var tests = []struct {
+		a, b int
+		want int
+	}{
+		{0, 1, 0},
+		{1, 0, 0},
+		{2, -2, -2},
+		{0, -1, -1},
+		{-1, 0, -1},
+	}
+
+	for _, tt := range tests {
+		testName := fmt.Sprintf("%d,%d", tt.a, tt.b)
+		t.Run(testName, func(t *testing.T) {
+			ans := IntMin(tt.a, tt.b)
+			if ans != tt.want {
+				t.Errorf("got %d, want %d", ans, tt.want)
+			}
+		})
+	}
+}
+
+func BenchmarkIntMin(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		IntMin(1, 2)
+	}
+}
+
+// go test -v        # to run all tests in current project in verbose mode
+// go test -bench    # to run all benchmarks in current project