mirror of
https://github.com/autc04/Retro68.git
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55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package big
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import (
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"encoding/json"
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"testing"
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)
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var floatVals = []string{
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"0",
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"1",
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"0.1",
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"2.71828",
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"1234567890",
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"3.14e1234",
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"3.14e-1234",
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"0.738957395793475734757349579759957975985497e100",
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"0.73895739579347546656564656573475734957975995797598589749859834759476745986795497e100",
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"inf",
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"Inf",
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}
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func TestFloatJSONEncoding(t *testing.T) {
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for _, test := range floatVals {
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for _, sign := range []string{"", "+", "-"} {
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for _, prec := range []uint{0, 1, 2, 10, 53, 64, 100, 1000} {
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x := sign + test
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var tx Float
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_, _, err := tx.SetPrec(prec).Parse(x, 0)
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if err != nil {
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t.Errorf("parsing of %s (prec = %d) failed (invalid test case): %v", x, prec, err)
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continue
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}
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b, err := json.Marshal(&tx)
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if err != nil {
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t.Errorf("marshaling of %v (prec = %d) failed: %v", &tx, prec, err)
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continue
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}
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var rx Float
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rx.SetPrec(prec)
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if err := json.Unmarshal(b, &rx); err != nil {
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t.Errorf("unmarshaling of %v (prec = %d) failed: %v", &tx, prec, err)
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continue
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}
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if rx.Cmp(&tx) != 0 {
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t.Errorf("JSON encoding of %v (prec = %d) failed: got %v want %v", &tx, prec, &rx, &tx)
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}
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}
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}
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}
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}
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