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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package big
import (
"encoding/json"
"testing"
)
var floatVals = []string{
"0",
"1",
"0.1",
"2.71828",
"1234567890",
"3.14e1234",
"3.14e-1234",
"0.738957395793475734757349579759957975985497e100",
"0.73895739579347546656564656573475734957975995797598589749859834759476745986795497e100",
"inf",
"Inf",
}
func TestFloatJSONEncoding(t *testing.T) {
for _, test := range floatVals {
for _, sign := range []string{"", "+", "-"} {
for _, prec := range []uint{0, 1, 2, 10, 53, 64, 100, 1000} {
x := sign + test
var tx Float
_, _, err := tx.SetPrec(prec).Parse(x, 0)
if err != nil {
t.Errorf("parsing of %s (prec = %d) failed (invalid test case): %v", x, prec, err)
continue
}
b, err := json.Marshal(&tx)
if err != nil {
t.Errorf("marshaling of %v (prec = %d) failed: %v", &tx, prec, err)
continue
}
var rx Float
rx.SetPrec(prec)
if err := json.Unmarshal(b, &rx); err != nil {
t.Errorf("unmarshaling of %v (prec = %d) failed: %v", &tx, prec, err)
continue
}
if rx.Cmp(&tx) != 0 {
t.Errorf("JSON encoding of %v (prec = %d) failed: got %v want %v", &tx, prec, &rx, &tx)
}
}
}
}
}
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