gxbix.Integer

math/big/integer.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxbig
+
+import (
+	"errors"
+	"math/big"
+)
+
+// Integer represents a integer value.
+type Integer struct {
+	big.Int
+
+	// for hessian
+	Value string
+}
+
+func (Integer) JavaClassName() string {
+	return "java.math.BigInteger"
+}
+
+func (i *Integer) FromString(s string) error {
+	intPtr, ok := i.Int.SetString(s, 10)
+	if !ok || intPtr == nil {
+		return errors.New(``)
+	}
+
+	i.Int = *intPtr
+	return nil
+}
+
+func (i *Integer) FromBytes(bytes []byte) error {
+	i.Int = *i.Int.SetBytes(bytes)
+	return nil
+}
+
+func (i *Integer) String() string {
+	return i.Int.String()
+}

math/big/integer_test.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxbig
+
+import (
+	"testing"
+)
+
+func TestInteger_FromString(t *testing.T) {
+	type args struct {
+		s string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{`ten`, args{`10`}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			i := &Integer{}
+			if err := i.FromString(tt.args.s); (err != nil) != tt.wantErr {
+				t.Errorf("FromString() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			if got := i.String(); got != tt.args.s {
+				t.Errorf("String() = %v, want %v", got, tt.args.s)
+			}
+		})
+	}
+}