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52 lines
1000 B
Go
52 lines
1000 B
Go
package random
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import (
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"testing"
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)
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func Test_StringLength(t *testing.T) {
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str := String()
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if len(str) != 20 {
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t.Errorf("String() returned a string of length %d; want 20", len(str))
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}
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}
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func Test_StringUniqueness(t *testing.T) {
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const numStrings = 10
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strs := make(map[string]bool, numStrings)
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for i := 0; i < numStrings; i++ {
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str := String()
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if strs[str] {
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t.Errorf("String() returned a non-unique string: %s", str)
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}
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strs[str] = true
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}
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}
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func Test_Float64Uniqueness(t *testing.T) {
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const numFloat64s = 10
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floats := make(map[float64]bool, numFloat64s)
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for i := 0; i < numFloat64s; i++ {
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f := Float64()
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if floats[f] {
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t.Errorf("Float64() returned a non-unique float64: %f", f)
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}
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floats[f] = true
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}
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}
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func Test_IntnUniqueness(t *testing.T) {
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const numIntns = 10
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intns := make(map[int]bool, numIntns)
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for i := 0; i < numIntns; i++ {
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n := Intn(1000000000)
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if intns[n] {
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t.Errorf("Intn() returned a non-unique int: %d", n)
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}
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intns[n] = true
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}
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}
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