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80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
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package humanize
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import (
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"math"
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"testing"
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)
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type TestStruct struct {
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name string
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format string
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num float64
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formatted string
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}
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func TestFormatFloat(t *testing.T) {
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tests := []TestStruct{
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{"default", "", 12345.6789, "12,345.68"},
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{"#", "#", 12345.6789, "12345.678900000"},
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{"#.", "#.", 12345.6789, "12346"},
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{"#,#", "#,#", 12345.6789, "12345,7"},
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{"#,##", "#,##", 12345.6789, "12345,68"},
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{"#,###", "#,###", 12345.6789, "12345,679"},
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{"#,###.", "#,###.", 12345.6789, "12,346"},
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{"#,###.##", "#,###.##", 12345.6789, "12,345.68"},
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{"#,###.###", "#,###.###", 12345.6789, "12,345.679"},
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{"#,###.####", "#,###.####", 12345.6789, "12,345.6789"},
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{"#.###,######", "#.###,######", 12345.6789, "12.345,678900"},
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{"bug46", "#,###.##", 52746220055.92342, "52,746,220,055.92"},
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{"#\u202f###,##", "#\u202f###,##", 12345.6789, "12 345,68"},
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// special cases
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{"NaN", "#", math.NaN(), "NaN"},
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{"+Inf", "#", math.Inf(1), "Infinity"},
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{"-Inf", "#", math.Inf(-1), "-Infinity"},
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{"signStr <= -0.000000001", "", -0.000000002, "-0.00"},
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{"signStr = 0", "", 0, "0.00"},
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{"Format directive must start with +", "+000", 12345.6789, "+12345.678900000"},
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}
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for _, test := range tests {
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got := FormatFloat(test.format, test.num)
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if got != test.formatted {
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t.Errorf("On %v (%v, %v), got %v, wanted %v",
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test.name, test.format, test.num, got, test.formatted)
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}
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}
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// Test a single integer
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got := FormatInteger("#", 12345)
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if got != "12345.000000000" {
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t.Errorf("On %v (%v, %v), got %v, wanted %v",
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"integerTest", "#", 12345, got, "12345.000000000")
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}
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// Test the things that could panic
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panictests := []TestStruct{
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{"RenderFloat(): invalid positive sign directive", "-", 12345.6789, "12,345.68"},
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{"RenderFloat(): thousands separator directive must be followed by 3 digit-specifiers", "0.01", 12345.6789, "12,345.68"},
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}
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for _, test := range panictests {
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didPanic := false
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var message interface{}
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func() {
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defer func() {
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if message = recover(); message != nil {
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didPanic = true
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}
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}()
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// call the target function
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_ = FormatFloat(test.format, test.num)
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}()
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if didPanic != true {
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t.Errorf("On %v, should have panic and did not.",
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test.name)
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}
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}
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}
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