Add benchmarks

Author: antonmedv

bench_test.go

@@ -0,0 +1,87 @@
+package expr
+
+import (
+	"github.com/dop251/goja"
+	"github.com/robertkrimen/otto"
+	"testing"
+)
+
+type segment struct {
+	Origin string
+}
+type passengers struct {
+	Adults int
+}
+type request struct {
+	Segments   []*segment
+	Passengers *passengers
+	Marker     string
+}
+
+func Benchmark_expr(b *testing.B) {
+	r := &request{
+		Segments: []*segment{
+			{Origin: "MOW"},
+		},
+		Passengers: &passengers{
+			Adults: 2,
+		},
+		Marker: "test",
+	}
+
+	script, err := Parse(`Segments[0].Origin == "MOW" && Passengers.Adults == 2 && Marker == "test"`)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		Run(script, r)
+	}
+}
+
+func Benchmark_otto(b *testing.B) {
+	r := &request{
+		Segments: []*segment{
+			{Origin: "MOW"},
+		},
+		Passengers: &passengers{
+			Adults: 2,
+		},
+		Marker: "test",
+	}
+
+	vm := otto.New()
+
+	script, err := vm.Compile("", `r.Segments[0].Origin == "MOW" && r.Passengers.Adults == 2 && r.Marker == "test"`)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		vm.Set("r", r)
+		vm.Run(script)
+	}
+}
+
+func Benchmark_goja(b *testing.B) {
+	r := &request{
+		Segments: []*segment{
+			{Origin: "MOW"},
+		},
+		Passengers: &passengers{
+			Adults: 2,
+		},
+		Marker: "test",
+	}
+
+	vm := goja.New()
+	program, err := goja.Compile("", `r.Segments[0].Origin == "MOW" && r.Passengers.Adults == 2 && r.Marker == "test"`, false)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		vm.Set("r", r)
+		vm.RunProgram(program)
+	}
+}