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// Copyright 2016 Google LLC.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package gensupport
import (
"encoding/json"
"math"
"testing"
)
func TestJSONFloat(t *testing.T) {
for _, test := range []struct {
in string
want float64
}{
{"0", 0},
{"-10", -10},
{"1e23", 1e23},
{`"Infinity"`, math.Inf(1)},
{`"-Infinity"`, math.Inf(-1)},
{`"NaN"`, math.NaN()},
} {
var f64 JSONFloat64
if err := json.Unmarshal([]byte(test.in), &f64); err != nil {
t.Fatal(err)
}
got := float64(f64)
if got != test.want && math.IsNaN(got) != math.IsNaN(test.want) {
t.Errorf("%s: got %f, want %f", test.in, got, test.want)
}
}
}
func TestJSONFloatErrors(t *testing.T) {
var f64 JSONFloat64
for _, in := range []string{"", "a", `"Inf"`, `"-Inf"`, `"nan"`, `"nana"`} {
if err := json.Unmarshal([]byte(in), &f64); err == nil {
t.Errorf("%q: got nil, want error", in)
}
}
}
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