53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package gensupport
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import (
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"encoding/json"
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"math"
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"testing"
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)
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func TestJSONFloat(t *testing.T) {
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for _, test := range []struct {
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in string
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want float64
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}{
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{"0", 0},
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{"-10", -10},
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{"1e23", 1e23},
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{`"Infinity"`, math.Inf(1)},
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{`"-Infinity"`, math.Inf(-1)},
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{`"NaN"`, math.NaN()},
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} {
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var f64 JSONFloat64
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if err := json.Unmarshal([]byte(test.in), &f64); err != nil {
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t.Fatal(err)
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}
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got := float64(f64)
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if got != test.want && math.IsNaN(got) != math.IsNaN(test.want) {
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t.Errorf("%s: got %f, want %f", test.in, got, test.want)
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}
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}
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}
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func TestJSONFloatErrors(t *testing.T) {
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var f64 JSONFloat64
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for _, in := range []string{"", "a", `"Inf"`, `"-Inf"`, `"nan"`, `"nana"`} {
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if err := json.Unmarshal([]byte(in), &f64); err == nil {
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t.Errorf("%q: got nil, want error", in)
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}
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}
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}
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