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@ -44,11 +44,11 @@ func isCtrl(char rune) bool {
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// Return the input code of a Ctrl-key chord.
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func ctrl(char rune) rune {
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ch := char & 0x1f
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if !isCtrl(ch) {
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if !isAscii(char) {
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return 0
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}
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ch := char & 0x1f
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return ch
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}
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@ -41,6 +41,27 @@ func TestIsCtrl(t *testing.T) {
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}
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}
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type ctrlTest struct {
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arg1, expected rune
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}
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var ctrlTests = []ctrlTest {
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{'A', '\x01'},
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{'B', '\x02'},
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{'Z', '\x1a'},
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{'#', 3},
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{'┻', 0},
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{'😿', 0},
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}
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func TestCtrl(t *testing.T) {
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for _, test := range ctrlTests {
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if output := ctrl(test.arg1); output != test.expected {
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t.Errorf("Output %v not equal to expected %v for input %q", output, test.expected, test.arg1)
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}
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}
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}
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func TestTruncateString(t *testing.T) {
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firstString := "abcdefghijklmnopqrstuvwxyz"
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truncated := truncateString(firstString, 13)
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