package formatter import ( "testing" "gotest.tools/assert" is "gotest.tools/assert/cmp" ) func TestEllipsis(t *testing.T) { var testcases = []struct { source string width int expected string }{ {source: "t🐳ststring", width: 0, expected: ""}, {source: "t🐳ststring", width: 1, expected: "t"}, {source: "t🐳ststring", width: 2, expected: "t…"}, {source: "t🐳ststring", width: 6, expected: "t🐳st…"}, {source: "t🐳ststring", width: 20, expected: "t🐳ststring"}, {source: "你好世界teststring", width: 0, expected: ""}, {source: "你好世界teststring", width: 1, expected: "你"}, {source: "你好世界teststring", width: 3, expected: "你…"}, {source: "你好世界teststring", width: 6, expected: "你好…"}, {source: "你好世界teststring", width: 20, expected: "你好世界teststring"}, } for _, testcase := range testcases { assert.Check(t, is.Equal(testcase.expected, Ellipsis(testcase.source, testcase.width))) } }