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feat: add Substring function

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dudaodong
2022-12-29 19:55:40 +08:00
parent b5f7b0e670
commit 1dc5e8ac23
3 changed files with 59 additions and 0 deletions
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11
strutil/string_test.go
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@@ -287,3 +287,14 @@ func TestSplitEx(t *testing.T) {
assert.Equal([]string{"a", "b", "c", ""}, SplitEx("a = b = c = ", " = ", false))
assert.Equal([]string{"a", "b", "c"}, SplitEx("a = b = c = ", " = ", true))
}
func TestSubstring(t *testing.T) {
assert := internal.NewAssert(t, "TestSubstring")
assert.Equal("bcd", Substring("abcde", 1, 3))
assert.Equal("bcde", Substring("abcde", 1, 5))
assert.Equal("e", Substring("abcde", -1, 3))
assert.Equal("de", Substring("abcde", -2, 2))
assert.Equal("de", Substring("abcde", -2, 3))
assert.Equal("你好", Substring("你好，欢迎你", 0, 2))
}