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test: add unit test for MaxBy function

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dudaodong
2022-05-15 18:21:01 +08:00
parent d5607b0a5a
commit 298219aee7
1 changed files with 19 additions and 0 deletions
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19
mathutil/mathutil_test.go
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@@ -89,6 +89,25 @@ func TestMax(t *testing.T) {
assert.Equal(Max(1.2, 1.4, 1.1, 1.4), 1.4)
}
func TestMaxBy(t *testing.T) {
assert := internal.NewAssert(t, "MaxBy")
res1 := MaxBy([]string{"a", "ab", "abc"}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
assert.Equal("abc", res1)
res2 := MaxBy([]string{"abd", "abc", "ab"}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
assert.Equal("abd", res2)
res3 := MaxBy([]string{}, func(v1, v2 string) bool {
return len(v1) > len(v2)
})
assert.Equal("", res3)
}
func TestMin(t *testing.T) {
assert := internal.NewAssert(t, "TestMin")