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f92f9f137a
# The first line of the second chunk would prematurely wrap printf '%0500s\n\n%0500s' 0 0 | fzf --wrap --read0
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package util
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import (
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"fmt"
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"testing"
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)
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func TestToCharsAscii(t *testing.T) {
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chars := ToChars([]byte("foobar"))
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if !chars.inBytes || chars.ToString() != "foobar" || !chars.inBytes {
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t.Error()
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}
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}
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func TestCharsLength(t *testing.T) {
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chars := ToChars([]byte("\tabc한글 "))
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if chars.inBytes || chars.Length() != 8 || chars.TrimLength() != 5 {
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t.Error()
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}
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}
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func TestCharsToString(t *testing.T) {
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text := "\tabc한글 "
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chars := ToChars([]byte(text))
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if chars.ToString() != text {
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t.Error()
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}
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}
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func TestTrimLength(t *testing.T) {
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check := func(str string, exp uint16) {
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chars := ToChars([]byte(str))
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trimmed := chars.TrimLength()
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if trimmed != exp {
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t.Errorf("Invalid TrimLength result for '%s': %d (expected %d)",
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str, trimmed, exp)
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}
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}
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check("hello", 5)
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check("hello ", 5)
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check("hello ", 5)
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check(" hello", 5)
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check(" hello", 5)
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check(" hello ", 5)
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check(" hello ", 5)
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check("h o", 5)
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check(" h o ", 5)
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check(" ", 0)
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}
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func TestCharsLines(t *testing.T) {
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chars := ToChars([]byte("abcdef\n가나다\n\tdef"))
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check := func(multiLine bool, maxLines int, wrapCols int, wrapSignWidth int, tabstop int, expectedNumLines int, expectedOverflow bool) {
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lines, overflow := chars.Lines(multiLine, maxLines, wrapCols, wrapSignWidth, tabstop)
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fmt.Println(lines, overflow)
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if len(lines) != expectedNumLines || overflow != expectedOverflow {
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t.Errorf("Invalid result: %d %v (expected %d %v)", len(lines), overflow, expectedNumLines, expectedOverflow)
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}
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}
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// No wrap
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check(true, 1, 0, 0, 8, 1, true)
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check(true, 2, 0, 0, 8, 2, true)
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check(true, 3, 0, 0, 8, 3, false)
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// Wrap (2)
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check(true, 4, 2, 0, 8, 4, true)
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check(true, 5, 2, 0, 8, 5, true)
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check(true, 6, 2, 0, 8, 6, true)
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check(true, 7, 2, 0, 8, 7, true)
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check(true, 8, 2, 0, 8, 8, true)
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check(true, 9, 2, 0, 8, 9, false)
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check(true, 9, 2, 0, 1, 8, false) // Smaller tab size
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// With wrap sign (3 + 1)
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check(true, 100, 3, 1, 1, 8, false)
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// With wrap sign (3 + 2)
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check(true, 100, 3, 2, 1, 10, false)
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// With wrap sign (3 + 2) and no multi-line
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check(false, 100, 3, 2, 1, 13, false)
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}
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