kami
8c9ca9db00
A multi-line paste put raw newlines into the single-line input slot, overflowing the fixed-height box and leaving a smeared/stale region. flattenForDisplay collapses newlines (↵) and tabs for rendering only; the inputBuffer keeps real characters for submission.
27 lines
768 B
Go
27 lines
768 B
Go
package app
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import (
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"strings"
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"testing"
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)
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// F-006: a multi-line paste must collapse to a single display line so the fixed-height
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// input box can't overflow and leave a smeared/stale region.
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func TestFlattenForDisplay(t *testing.T) {
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cases := map[string]string{
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"plain text": "plain text",
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"line one\nline two": "line one↵ line two",
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"crlf\r\nhere": "crlf↵ here",
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"tab\tseparated": "tab separated",
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"a\nb\nc": "a↵ b↵ c",
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}
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for in, want := range cases {
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if got := flattenForDisplay(in); got != want {
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t.Errorf("flattenForDisplay(%q) = %q, want %q", in, got, want)
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}
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if strings.ContainsAny(flattenForDisplay(in), "\n\r\t") {
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t.Errorf("flattenForDisplay(%q) still contains a control char", in)
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}
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}
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}
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