optimize: shedding algorithm performance (#3908)
This commit is contained in:
Kevin Wan
GitHub
34
core/mathx/range.go
Normal file
34
core/mathx/range.go
Normal file
@@ -0,0 +1,34 @@
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package mathx
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type numerical interface {
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~int | ~int8 | ~int16 | ~int32 | ~int64 |
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~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 |
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~float32 | ~float64
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}
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// AtLeast returns the greater of x or lower.
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func AtLeast[T numerical](x, lower T) T {
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if x < lower {
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return lower
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}
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return x
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}
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// AtMost returns the smaller of x or upper.
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func AtMost[T numerical](x, upper T) T {
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if x > upper {
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return upper
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}
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return x
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}
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// Between returns the value of x clamped to the range [lower, upper].
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func Between[T numerical](x, lower, upper T) T {
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if x < lower {
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return lower
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}
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if x > upper {
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return upper
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}
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return x
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}
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513
core/mathx/range_test.go
Normal file
513
core/mathx/range_test.go
Normal file
@@ -0,0 +1,513 @@
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package mathx
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import "testing"
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func TestAtLeast(t *testing.T) {
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t.Run("test int", func(t *testing.T) {
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if got := AtLeast(10, 5); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(3, 5); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(5, 5); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test int8", func(t *testing.T) {
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if got := AtLeast(int8(10), int8(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(int8(3), int8(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(int8(5), int8(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test int16", func(t *testing.T) {
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if got := AtLeast(int16(10), int16(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(int16(3), int16(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(int16(5), int16(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test int32", func(t *testing.T) {
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if got := AtLeast(int32(10), int32(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(int32(3), int32(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(int32(5), int32(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test int64", func(t *testing.T) {
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if got := AtLeast(int64(10), int64(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(int64(3), int64(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(int64(5), int64(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test uint", func(t *testing.T) {
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if got := AtLeast(uint(10), uint(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(uint(3), uint(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(uint(5), uint(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test uint8", func(t *testing.T) {
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if got := AtLeast(uint8(10), uint8(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(uint8(3), uint8(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(uint8(5), uint8(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test uint16", func(t *testing.T) {
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if got := AtLeast(uint16(10), uint16(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(uint16(3), uint16(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(uint16(5), uint16(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test uint32", func(t *testing.T) {
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if got := AtLeast(uint32(10), uint32(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(uint32(3), uint32(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(uint32(5), uint32(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test uint64", func(t *testing.T) {
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if got := AtLeast(uint64(10), uint64(5)); got != 10 {
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t.Errorf("AtLeast() = %v, want 10", got)
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}
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if got := AtLeast(uint64(3), uint64(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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if got := AtLeast(uint64(5), uint64(5)); got != 5 {
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t.Errorf("AtLeast() = %v, want 5", got)
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}
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})
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t.Run("test float32", func(t *testing.T) {
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if got := AtLeast(float32(10.0), float32(5.0)); got != 10.0 {
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t.Errorf("AtLeast() = %v, want 10.0", got)
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}
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if got := AtLeast(float32(3.0), float32(5.0)); got != 5.0 {
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t.Errorf("AtLeast() = %v, want 5.0", got)
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}
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if got := AtLeast(float32(5.0), float32(5.0)); got != 5.0 {
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t.Errorf("AtLeast() = %v, want 5.0", got)
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}
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})
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t.Run("test float64", func(t *testing.T) {
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if got := AtLeast(10.0, 5.0); got != 10.0 {
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t.Errorf("AtLeast() = %v, want 10.0", got)
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}
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if got := AtLeast(3.0, 5.0); got != 5.0 {
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t.Errorf("AtLeast() = %v, want 5.0", got)
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}
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if got := AtLeast(5.0, 5.0); got != 5.0 {
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t.Errorf("AtLeast() = %v, want 5.0", got)
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}
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})
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}
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func TestAtMost(t *testing.T) {
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t.Run("test int", func(t *testing.T) {
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if got := AtMost(10, 5); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(3, 5); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(5, 5); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test int8", func(t *testing.T) {
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if got := AtMost(int8(10), int8(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(int8(3), int8(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(int8(5), int8(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test int16", func(t *testing.T) {
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if got := AtMost(int16(10), int16(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(int16(3), int16(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(int16(5), int16(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test int32", func(t *testing.T) {
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if got := AtMost(int32(10), int32(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(int32(3), int32(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(int32(5), int32(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test int64", func(t *testing.T) {
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if got := AtMost(int64(10), int64(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(int64(3), int64(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(int64(5), int64(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test uint", func(t *testing.T) {
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if got := AtMost(uint(10), uint(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(uint(3), uint(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(uint(5), uint(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test uint8", func(t *testing.T) {
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if got := AtMost(uint8(10), uint8(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(uint8(3), uint8(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(uint8(5), uint8(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test uint16", func(t *testing.T) {
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if got := AtMost(uint16(10), uint16(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(uint16(3), uint16(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(uint16(5), uint16(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test uint32", func(t *testing.T) {
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if got := AtMost(uint32(10), uint32(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(uint32(3), uint32(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(uint32(5), uint32(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test uint64", func(t *testing.T) {
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if got := AtMost(uint64(10), uint64(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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if got := AtMost(uint64(3), uint64(5)); got != 3 {
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t.Errorf("AtMost() = %v, want 3", got)
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}
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if got := AtMost(uint64(5), uint64(5)); got != 5 {
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t.Errorf("AtMost() = %v, want 5", got)
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}
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})
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t.Run("test float32", func(t *testing.T) {
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if got := AtMost(float32(10.0), float32(5.0)); got != 5.0 {
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t.Errorf("AtMost() = %v, want 5.0", got)
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}
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if got := AtMost(float32(3.0), float32(5.0)); got != 3.0 {
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t.Errorf("AtMost() = %v, want 3.0", got)
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}
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if got := AtMost(float32(5.0), float32(5.0)); got != 5.0 {
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t.Errorf("AtMost() = %v, want 5.0", got)
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}
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})
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t.Run("test float64", func(t *testing.T) {
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if got := AtMost(10.0, 5.0); got != 5.0 {
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t.Errorf("AtMost() = %v, want 5.0", got)
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}
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if got := AtMost(3.0, 5.0); got != 3.0 {
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t.Errorf("AtMost() = %v, want 3.0", got)
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}
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if got := AtMost(5.0, 5.0); got != 5.0 {
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t.Errorf("AtMost() = %v, want 5.0", got)
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}
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})
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}
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func TestBetween(t *testing.T) {
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t.Run("test int", func(t *testing.T) {
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if got := Between(10, 5, 15); got != 10 {
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t.Errorf("Between() = %v, want 10", got)
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}
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if got := Between(3, 5, 15); got != 5 {
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t.Errorf("Between() = %v, want 5", got)
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}
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if got := Between(20, 5, 15); got != 15 {
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t.Errorf("Between() = %v, want 15", got)
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}
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if got := Between(5, 5, 15); got != 5 {
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t.Errorf("Between() = %v, want 5", got)
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}
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if got := Between(15, 5, 15); got != 15 {
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t.Errorf("Between() = %v, want 15", got)
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}
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})
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t.Run("test int8", func(t *testing.T) {
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if got := Between(int8(10), int8(5), int8(15)); got != 10 {
|
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t.Errorf("Between() = %v, want 10", got)
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}
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if got := Between(int8(3), int8(5), int8(15)); got != 5 {
|
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t.Errorf("Between() = %v, want 5", got)
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}
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if got := Between(int8(20), int8(5), int8(15)); got != 15 {
|
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t.Errorf("Between() = %v, want 15", got)
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}
|
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if got := Between(int8(5), int8(5), int8(15)); got != 5 {
|
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t.Errorf("Between() = %v, want 5", got)
|
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}
|
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if got := Between(int8(15), int8(5), int8(15)); got != 15 {
|
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t.Errorf("Between() = %v, want 15", got)
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}
|
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})
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|
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t.Run("test int16", func(t *testing.T) {
|
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if got := Between(int16(10), int16(5), int16(15)); got != 10 {
|
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t.Errorf("Between() = %v, want 10", got)
|
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}
|
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if got := Between(int16(3), int16(5), int16(15)); got != 5 {
|
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t.Errorf("Between() = %v, want 5", got)
|
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}
|
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if got := Between(int16(20), int16(5), int16(15)); got != 15 {
|
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t.Errorf("Between() = %v, want 15", got)
|
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}
|
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if got := Between(int16(5), int16(5), int16(15)); got != 5 {
|
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t.Errorf("Between() = %v, want 5", got)
|
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}
|
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if got := Between(int16(15), int16(5), int16(15)); got != 15 {
|
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t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
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})
|
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|
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t.Run("test int32", func(t *testing.T) {
|
||||
if got := Between(int32(10), int32(5), int32(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(int32(3), int32(5), int32(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
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if got := Between(int32(20), int32(5), int32(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
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if got := Between(int32(5), int32(5), int32(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
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if got := Between(int32(15), int32(5), int32(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
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}
|
||||
})
|
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|
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t.Run("test int64", func(t *testing.T) {
|
||||
if got := Between(int64(10), int64(5), int64(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
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if got := Between(int64(3), int64(5), int64(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(int64(20), int64(5), int64(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(int64(5), int64(5), int64(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(int64(15), int64(5), int64(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test uint", func(t *testing.T) {
|
||||
if got := Between(uint(10), uint(5), uint(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(uint(3), uint(5), uint(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint(20), uint(5), uint(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(uint(5), uint(5), uint(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint(15), uint(5), uint(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test uint8", func(t *testing.T) {
|
||||
if got := Between(uint8(10), uint8(5), uint8(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(uint8(3), uint8(5), uint8(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint8(20), uint8(5), uint8(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(uint8(5), uint8(5), uint8(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint8(15), uint8(5), uint8(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test uint16", func(t *testing.T) {
|
||||
if got := Between(uint16(10), uint16(5), uint16(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(uint16(3), uint16(5), uint16(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint16(20), uint16(5), uint16(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(uint16(5), uint16(5), uint16(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint16(15), uint16(5), uint16(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test uint32", func(t *testing.T) {
|
||||
if got := Between(uint32(10), uint32(5), uint32(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(uint32(3), uint32(5), uint32(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint32(20), uint32(5), uint32(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(uint32(5), uint32(5), uint32(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint32(15), uint32(5), uint32(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test uint64", func(t *testing.T) {
|
||||
if got := Between(uint64(10), uint64(5), uint64(15)); got != 10 {
|
||||
t.Errorf("Between() = %v, want 10", got)
|
||||
}
|
||||
if got := Between(uint64(3), uint64(5), uint64(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint64(20), uint64(5), uint64(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
if got := Between(uint64(5), uint64(5), uint64(15)); got != 5 {
|
||||
t.Errorf("Between() = %v, want 5", got)
|
||||
}
|
||||
if got := Between(uint64(15), uint64(5), uint64(15)); got != 15 {
|
||||
t.Errorf("Between() = %v, want 15", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test float32", func(t *testing.T) {
|
||||
if got := Between(float32(10.0), float32(5.0), float32(15.0)); got != 10.0 {
|
||||
t.Errorf("Between() = %v, want 10.0", got)
|
||||
}
|
||||
if got := Between(float32(3.0), float32(5.0), float32(15.0)); got != 5.0 {
|
||||
t.Errorf("Between() = %v, want 5.0", got)
|
||||
}
|
||||
if got := Between(float32(20.0), float32(5.0), float32(15.0)); got != 15.0 {
|
||||
t.Errorf("Between() = %v, want 15.0", got)
|
||||
}
|
||||
if got := Between(float32(5.0), float32(5.0), float32(15.0)); got != 5.0 {
|
||||
t.Errorf("Between() = %v, want 5.0", got)
|
||||
}
|
||||
if got := Between(float32(15.0), float32(5.0), float32(15.0)); got != 15.0 {
|
||||
t.Errorf("Between() = %v, want 15.0", got)
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("test float64", func(t *testing.T) {
|
||||
if got := Between(10.0, 5.0, 15.0); got != 10.0 {
|
||||
t.Errorf("Between() = %v, want 10.0", got)
|
||||
}
|
||||
if got := Between(3.0, 5.0, 15.0); got != 5.0 {
|
||||
t.Errorf("Between() = %v, want 5.0", got)
|
||||
}
|
||||
if got := Between(20.0, 5.0, 15.0); got != 15.0 {
|
||||
t.Errorf("Between() = %v, want 15.0", got)
|
||||
}
|
||||
if got := Between(5.0, 5.0, 15.0); got != 5.0 {
|
||||
t.Errorf("Between() = %v, want 5.0", got)
|
||||
}
|
||||
if got := Between(15.0, 5.0, 15.0); got != 15.0 {
|
||||
t.Errorf("Between() = %v, want 15.0", got)
|
||||
}
|
||||
})
|
||||
}
|
||||
Reference in New Issue
Block a user