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98 lines
3 KiB
Go
98 lines
3 KiB
Go
package humanize
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import (
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"math/big"
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"testing"
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)
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func TestCommas(t *testing.T) {
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testList{
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{"0", Comma(0), "0"},
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{"10", Comma(10), "10"},
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{"100", Comma(100), "100"},
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{"1,000", Comma(1000), "1,000"},
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{"10,000", Comma(10000), "10,000"},
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{"100,000", Comma(100000), "100,000"},
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{"10,000,000", Comma(10000000), "10,000,000"},
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{"10,100,000", Comma(10100000), "10,100,000"},
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{"10,010,000", Comma(10010000), "10,010,000"},
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{"10,001,000", Comma(10001000), "10,001,000"},
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{"123,456,789", Comma(123456789), "123,456,789"},
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{"maxint", Comma(9.223372e+18), "9,223,372,000,000,000,000"},
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{"minint", Comma(-9.223372e+18), "-9,223,372,000,000,000,000"},
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{"-123,456,789", Comma(-123456789), "-123,456,789"},
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{"-10,100,000", Comma(-10100000), "-10,100,000"},
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{"-10,010,000", Comma(-10010000), "-10,010,000"},
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{"-10,001,000", Comma(-10001000), "-10,001,000"},
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{"-10,000,000", Comma(-10000000), "-10,000,000"},
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{"-100,000", Comma(-100000), "-100,000"},
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{"-10,000", Comma(-10000), "-10,000"},
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{"-1,000", Comma(-1000), "-1,000"},
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{"-100", Comma(-100), "-100"},
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{"-10", Comma(-10), "-10"},
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}.validate(t)
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}
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func BenchmarkCommas(b *testing.B) {
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for i := 0; i < b.N; i++ {
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Comma(1234567890)
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}
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}
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func BenchmarkBigCommas(b *testing.B) {
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for i := 0; i < b.N; i++ {
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BigComma(big.NewInt(1234567890))
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}
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}
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func bigComma(i int64) string {
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return BigComma(big.NewInt(i))
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}
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func TestBigCommas(t *testing.T) {
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testList{
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{"0", bigComma(0), "0"},
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{"10", bigComma(10), "10"},
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{"100", bigComma(100), "100"},
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{"1,000", bigComma(1000), "1,000"},
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{"10,000", bigComma(10000), "10,000"},
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{"100,000", bigComma(100000), "100,000"},
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{"10,000,000", bigComma(10000000), "10,000,000"},
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{"10,100,000", bigComma(10100000), "10,100,000"},
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{"10,010,000", bigComma(10010000), "10,010,000"},
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{"10,001,000", bigComma(10001000), "10,001,000"},
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{"123,456,789", bigComma(123456789), "123,456,789"},
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{"maxint", bigComma(9.223372e+18), "9,223,372,000,000,000,000"},
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{"minint", bigComma(-9.223372e+18), "-9,223,372,000,000,000,000"},
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{"-123,456,789", bigComma(-123456789), "-123,456,789"},
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{"-10,100,000", bigComma(-10100000), "-10,100,000"},
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{"-10,010,000", bigComma(-10010000), "-10,010,000"},
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{"-10,001,000", bigComma(-10001000), "-10,001,000"},
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{"-10,000,000", bigComma(-10000000), "-10,000,000"},
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{"-100,000", bigComma(-100000), "-100,000"},
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{"-10,000", bigComma(-10000), "-10,000"},
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{"-1,000", bigComma(-1000), "-1,000"},
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{"-100", bigComma(-100), "-100"},
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{"-10", bigComma(-10), "-10"},
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}.validate(t)
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}
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func TestVeryBigCommas(t *testing.T) {
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tests := []struct{ in, exp string }{
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{
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"84889279597249724975972597249849757294578485",
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"84,889,279,597,249,724,975,972,597,249,849,757,294,578,485",
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},
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{
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"-84889279597249724975972597249849757294578485",
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"-84,889,279,597,249,724,975,972,597,249,849,757,294,578,485",
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},
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}
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for _, test := range tests {
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n, _ := (&big.Int{}).SetString(test.in, 10)
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got := BigComma(n)
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if test.exp != got {
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t.Errorf("Expected %q, got %q", test.exp, got)
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}
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}
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}
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