| // 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) |
| } |
| } |
| } |