Added unsigned integer literals.

postgres/literal_test.go

@@ -1,6 +1,7 @@
 package postgres
 
 import (
+	"math"
 	"testing"
 	"time"
 )
@@ -13,6 +14,46 @@ func TestInt(t *testing.T) {
 	assertSerialize(t, Int(11), `$1`, int64(11))
 }
 
+func TestInt8(t *testing.T) {
+	val := int8(math.MinInt8)
+	assertSerialize(t, Int8(val), `$1`, val)
+}
+
+func TestInt16(t *testing.T) {
+	val := int16(math.MinInt16)
+	assertSerialize(t, Int16(val), `$1`, val)
+}
+
+func TestInt32(t *testing.T) {
+	val := int32(math.MinInt32)
+	assertSerialize(t, Int32(val), `$1`, val)
+}
+
+func TestInt64(t *testing.T) {
+	val := int64(math.MinInt64)
+	assertSerialize(t, Int64(val), `$1`, val)
+}
+
+func TestUint8(t *testing.T) {
+	val := uint8(math.MaxUint8)
+	assertSerialize(t, Uint8(val), `$1`, val)
+}
+
+func TestUint16(t *testing.T) {
+	val := uint16(math.MaxUint16)
+	assertSerialize(t, Uint16(val), `$1`, val)
+}
+
+func TestUint32(t *testing.T) {
+	val := uint32(math.MaxUint32)
+	assertSerialize(t, Uint32(val), `$1`, val)
+}
+
+func TestUint64(t *testing.T) {
+	val := uint64(math.MaxUint64)
+	assertSerialize(t, Uint64(val), `$1`, val)
+}
+
 func TestFloat(t *testing.T) {
 	assertSerialize(t, Float(12.34), `$1`, float64(12.34))
 }