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utils_test.go
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utils_test.go
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package smetana
import "testing"
func TestMergeMaps(t *testing.T) {
m1 := map[string]int{"foo": 1, "bar": 2}
m2 := map[string]int{"baz": 3}
MergeMaps(m1, m2)
assertEqual(t, map[string]int{"foo": 1, "bar": 2, "baz": 3}, m1)
assertEqual(t, map[string]int{"baz": 3}, m2)
}
func TestMergeMapsOverwritesDuplicates(t *testing.T) {
m1 := map[string]int{"foo": 1, "bar": 2, "baz": 4}
m2 := map[string]int{"baz": 3}
MergeMaps(m1, m2)
assertEqual(t, map[string]int{"foo": 1, "bar": 2, "baz": 3}, m1)
assertEqual(t, map[string]int{"baz": 3}, m2)
}
func TestIdHelper(t *testing.T) {
result := Id("foo")
assertEqual(t, Attr{Key: "id", Value: "foo"}, result)
}
func TestMin(t *testing.T) {
assertEqual(t, 2, min(2, 3))
assertEqual(t, 2, min(3, 2))
}
func TestMax(t *testing.T) {
assertEqual(t, 3, max(2, 3))
assertEqual(t, 3, max(3, 2))
}
func TestClamp(t *testing.T) {
assertEqual(t, 15, clamp(15, 10, 20))
assertEqual(t, 10, clamp(5, 10, 20))
assertEqual(t, 10, clamp(10, 10, 20))
assertEqual(t, 20, clamp(25, 10, 20))
assertEqual(t, 20, clamp(20, 10, 20))
}
func TestXform(t *testing.T) {
values := []int32{1, -2, 3}
result := Xform(values, func(a int32) uint32 {
if a < 0 {
a = -a
}
return uint32(a)
})
assertEqual(t, []uint32{1, 2, 3}, result)
}