Exemple #1
0
func BenchmarkDecodeBinaryDecimal(b *testing.B) {
	wbuf := writeBuffer{bytecount: metric.NewCounter(metric.Metadata{Name: ""})}

	expected := new(parser.DDecimal)
	s := "-1728718718271827121233.1212121212"
	if _, ok := expected.SetString(s); !ok {
		b.Fatalf("could not set %q on decimal", s)
	}
	wbuf.writeBinaryDatum(expected, nil)

	rbuf := readBuffer{msg: wbuf.wrapped.Bytes()}

	plen, err := rbuf.getUint32()
	if err != nil {
		b.Fatal(err)
	}
	bytes, err := rbuf.getBytes(int(plen))
	if err != nil {
		b.Fatal(err)
	}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		b.StartTimer()
		got, err := decodeOidDatum(oid.T_numeric, formatBinary, bytes)
		b.StopTimer()
		if err != nil {
			b.Fatal(err)
		} else if got.Compare(expected) != 0 {
			b.Fatalf("expected %s, got %s", expected, got)
		}
	}
}
Exemple #2
0
func benchmarkWriteDecimal(b *testing.B, format formatCode) {
	dec := new(parser.DDecimal)
	s := "-1728718718271827121233.1212121212"
	if _, ok := dec.SetString(s); !ok {
		b.Fatalf("could not set %q on decimal", format)
	}
	benchmarkWriteType(b, dec, formatText)
}
Exemple #3
0
func TestBinaryDecimal(t *testing.T) {
	defer leaktest.AfterTest(t)()
	testBinaryDatumType(t, "decimal", func(val string) parser.Datum {
		dec := new(parser.DDecimal)
		if _, ok := dec.SetString(val); !ok {
			t.Fatalf("could not set %q on decimal", val)
		}
		return dec
	})
}
Exemple #4
0
func BenchmarkWriteBinaryDecimal(b *testing.B) {
	buf := writeBuffer{bytecount: metric.NewCounter(metric.Metadata{Name: ""})}

	dec := new(parser.DDecimal)
	s := "-1728718718271827121233.1212121212"
	if _, ok := dec.SetString(s); !ok {
		b.Fatalf("could not set %q on decimal", s)
	}

	// Warm up the buffer.
	buf.writeBinaryDatum(dec, nil)
	buf.wrapped.Reset()

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		b.StartTimer()
		buf.writeBinaryDatum(dec, nil)
		b.StopTimer()
		buf.wrapped.Reset()
	}
}
Exemple #5
0
func TestRandomBinaryDecimal(t *testing.T) {
	defer leaktest.AfterTest(t)()

	if *generateBinaryCmd == "" {
		t.Skip("disabled")
	}

	fields := strings.Fields(*generateBinaryCmd)
	if len(fields) < 1 {
		t.Fatal("expected generate-binary arguments")
	}
	name, args := fields[0], fields[1:]
	var tests []binaryTest

	randutil.SeedForTests()

	for {
		var b bytes.Buffer
		for n := rand.Intn(50); n >= 0; n-- {
			fmt.Fprint(&b, rand.Intn(10))
		}
		v := b.String()
		{
			z := strings.Repeat("0", rand.Intn(10))
			pos := rand.Intn(len(v) + 1)
			v = v[:pos] + z + v[pos:]
		}
		if rand.Intn(2) == 0 {
			pos := rand.Intn(len(v) + 1)
			v = v[:pos] + "." + v[pos:]
		}
		cmdargs := append(args, `"`+v+`"`)
		out, err := exec.Command(name, cmdargs...).CombinedOutput()
		if err != nil {
			t.Log(string(out))
			t.Fatal(err)
		}
		if err := json.Unmarshal(out, &tests); err != nil {
			t.Fatal(err)
		}
		if len(tests) != 1 {
			t.Fatal("expected 1 test")
		}
		test := tests[0]

		buf := writeBuffer{bytecount: metric.NewCounter(metric.Metadata{})}
		dec := new(parser.DDecimal)

		if _, ok := dec.SetString(test.In); !ok {
			t.Fatalf("could not set %q on decimal", test.In)
		}
		buf.writeBinaryDatum(dec, time.UTC)
		if buf.err != nil {
			t.Fatal(buf.err)
		}
		if got := buf.wrapped.Bytes(); !bytes.Equal(got, test.Expect) {
			t.Errorf("%q:\n\t%v found,\n\t%v expected", test.In, got, test.Expect)
		} else if datum, err := decodeOidDatum(oid.T_numeric, formatBinary, got[4:]); err != nil {
			t.Errorf("%q: unable to decode %v: %s", test.In, got[4:], err)
		} else if dec.Compare(datum) != 0 {
			t.Errorf("%q: expected %s, got %s", test.In, dec, datum)
		}
	}
}