41 lines
785 B
Go
41 lines
785 B
Go
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package rand_test
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import (
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"testing"
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"apigo.cc/go/rand"
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)
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func TestGenericInt(t *testing.T) {
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// 1. 普通正数区间
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for range 100 {
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v := rand.Int(10, 20)
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if v < 10 || v > 20 { t.Errorf("Int failed: %d", v) }
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}
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// 2. 负数区间
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for range 100 {
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v := rand.Int(-50, -10)
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if v < -50 || v > -10 { t.Errorf("Negative range failed: %d", v) }
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}
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// 3. 防御性测试
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if rand.Int(100, 10) != 100 { t.Error("Reverse range should return min") }
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}
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func TestFastInt(t *testing.T) {
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for range 100 {
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v := rand.FastInt(1, 100)
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if v < 1 || v > 100 { t.Errorf("FastInt failed: %d", v) }
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}
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}
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func TestBytes(t *testing.T) {
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// 已纠正：不再检查 byte < 0
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b := rand.Byte()
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_ = b
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bs := rand.Bytes(10)
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if len(bs) != 10 { t.Error("Bytes(10) length failed") }
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}
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