73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package editor
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import "testing"
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func TestNewRow(t *testing.T) {
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str := "abcdefg"
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row := newRow(str)
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got := string(row.chars)
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want := str
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if got != want {
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t.Errorf("Row chars not equal to original string. Row: %q, String: %q", row, str)
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}
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}
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func TestRowSize(t *testing.T) {
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str := "abcdefg"
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row := newRow(str)
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got := row.Size()
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want := 7
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if got != want {
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t.Errorf("Row size not equal to number of runes in original string")
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}
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}
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func TestRenderSize(t *testing.T) {
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str := "\tabcdefg"
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row := newRow(str)
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row.update()
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got := row.RenderSize()
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want := 11
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if got != want {
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t.Errorf("Row rsize not equal to number of runes in original string")
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}
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}
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type insertRune struct {
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initial string
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ch rune
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at int
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}
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var insertRuneTests = []insertRune{
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{"abde", 'c', 2},
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{"bcde", 'a', 0},
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{"abcd", 'e', 4},
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{"abcd", 'e', 17},
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{"abcd", 'e', -2},
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}
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func TestInsertRune(t *testing.T) {
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for _, test := range insertRuneTests {
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row := newRow(test.initial)
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row.insertRune(test.ch, test.at)
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if row.Size() != 5 {
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t.Errorf("Row size after inserting rune at index [%d] is %d, should be %d", test.at, row.Size(), 5)
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}
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got := row.toString()
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want := "abcde"
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if got != want {
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t.Errorf("Row after update is '%s', should be '%s'", got, want)
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}
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}
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}
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