test: added some more tests to confirm the undo tree is "good"
Yay! These are from Sonnet 4.0, hope theyre good.
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Hayden Hargreaves
parent
4dedb15a36
commit
066b817200
@ -6,6 +6,19 @@ import (
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"git.gophernest.net/azpect/TextEditor/internal/core"
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)
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// equalStringSlices compares two string slices for equality
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func equalStringSlices(a, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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for i := range a {
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if a[i] != b[i] {
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return false
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}
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}
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return true
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}
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// ============================================================================
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// BASIC UNDO/REDO TESTS
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// ============================================================================
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@ -747,3 +760,233 @@ func TestUndoComplexScenarios(t *testing.T) {
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}
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})
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}
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// =================================================================
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// PASTE OPERATIONS TESTS
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// =================================================================
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func TestUndoPasteOperations(t *testing.T) {
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t.Run("basic p (paste after) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"line1", "line2"})
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// Yank first line and paste after second line
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sendKeys(tm, "y", "y") // yank current line (line1)
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sendKeys(tm, "j") // move to line2
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sendKeys(tm, "p") // paste after line2
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sendKeys(tm, "u") // undo paste
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m := getFinalModel(t, tm)
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expected := []string{"line1", "line2"}
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if len(m.ActiveBuffer().Lines) != len(expected) {
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t.Errorf("len(Lines) = %d, want %d", len(m.ActiveBuffer().Lines), len(expected))
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}
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for i, exp := range expected {
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if m.ActiveBuffer().Lines[i] != exp {
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t.Errorf("Lines[%d] = %q, want %q", i, m.ActiveBuffer().Lines[i], exp)
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}
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}
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// Cursor should be back at line2
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if m.ActiveWindow().Cursor.Line != 1 {
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t.Errorf("Cursor.Line = %d, want 1", m.ActiveWindow().Cursor.Line)
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}
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})
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t.Run("basic P (paste before) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"line1", "line2"})
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// Yank first line and paste before second line
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sendKeys(tm, "y", "y") // yank current line (line1)
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sendKeys(tm, "j") // move to line2
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sendKeys(tm, "P") // paste before line2
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sendKeys(tm, "u") // undo paste
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m := getFinalModel(t, tm)
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expected := []string{"line1", "line2"}
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if len(m.ActiveBuffer().Lines) != len(expected) {
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t.Errorf("len(Lines) = %d, want %d", len(m.ActiveBuffer().Lines), len(expected))
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}
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for i, exp := range expected {
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if m.ActiveBuffer().Lines[i] != exp {
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t.Errorf("Lines[%d] = %q, want %q", i, m.ActiveBuffer().Lines[i], exp)
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}
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}
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// Cursor should be back at line2
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if m.ActiveWindow().Cursor.Line != 1 {
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t.Errorf("Cursor.Line = %d, want 1", m.ActiveWindow().Cursor.Line)
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}
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})
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t.Run("charwise paste undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"hello world"})
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// Yank "hello" and paste after "world"
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sendKeys(tm, "y", "w") // yank word "hello"
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sendKeys(tm, "$") // move to end
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sendKeys(tm, "p") // paste after cursor
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sendKeys(tm, "u") // undo paste
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m := getFinalModel(t, tm)
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expected := []string{"hello world"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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t.Run("visual mode paste undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"hello world", "foo bar"})
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// Yank "hello" then select "world" and paste over it
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sendKeys(tm, "y", "w") // yank "hello"
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sendKeys(tm, "w") // move to "world"
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sendKeys(tm, "v", "e") // select "world"
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sendKeys(tm, "p") // paste over selection
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sendKeys(tm, "u") // undo paste
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m := getFinalModel(t, tm)
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expected := []string{"hello world", "foo bar"}
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if len(m.ActiveBuffer().Lines) != len(expected) {
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t.Errorf("len(Lines) = %d, want %d", len(m.ActiveBuffer().Lines), len(expected))
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}
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for i, exp := range expected {
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if m.ActiveBuffer().Lines[i] != exp {
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t.Errorf("Lines[%d] = %q, want %q", i, m.ActiveBuffer().Lines[i], exp)
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}
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}
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})
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t.Run("multiple paste operations undo separately", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"base"})
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sendKeys(tm, "y", "y") // yank "base"
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sendKeys(tm, "p") // paste: "base\nbase"
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sendKeys(tm, "p") // paste: "base\nbase\nbase"
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sendKeys(tm, "u") // undo last paste: "base\nbase"
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sendKeys(tm, "u") // undo first paste: "base"
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m := getFinalModel(t, tm)
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expected := []string{"base"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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t.Run("paste with count undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"test"})
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sendKeys(tm, "y", "y") // yank "test"
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sendKeyString(tm, "3p") // paste 3 times
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sendKeys(tm, "u") // undo (should undo all 3 pastes as one block)
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m := getFinalModel(t, tm)
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expected := []string{"test"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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}
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// =================================================================
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// COMPLEX COUNT OPERATIONS TESTS
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// =================================================================
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func TestUndoComplexCountOperations(t *testing.T) {
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t.Run("5dd undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"1", "2", "3", "4", "5", "6", "7"})
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sendKeys(tm, "j", "j") // move to line 3
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sendKeyString(tm, "5dd") // delete 5 lines (3,4,5,6,7)
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sendKeys(tm, "u") // undo
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m := getFinalModel(t, tm)
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expected := []string{"1", "2", "3", "4", "5", "6", "7"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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// Cursor should be back at line 3 (index 2)
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if m.ActiveWindow().Cursor.Line != 2 {
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t.Errorf("Cursor.Line = %d, want 2", m.ActiveWindow().Cursor.Line)
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}
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})
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t.Run("3cw (change 3 words) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"one two three four five"})
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sendKeys(tm, "3", "c", "w") // change 3 words
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sendKeys(tm, "CHANGED") // type replacement
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sendKeys(tm, "esc") // exit insert mode
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sendKeys(tm, "u") // undo
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m := getFinalModel(t, tm)
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expected := []string{"one two three four five"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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t.Run("10x (delete 10 chars) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"abcdefghijklmnopqrstuvwxyz"})
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sendKeys(tm, "5", "|") // move to column 5 (f)
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sendKeyString(tm, "10x") // delete 10 chars (fghijklmno)
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sendKeys(tm, "u") // undo
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m := getFinalModel(t, tm)
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expected := []string{"abcdefghijklmnopqrstuvwxyz"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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// Cursor should be back at column 4 (index of 'e', 0-based)
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if m.ActiveWindow().Cursor.Col != 4 {
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t.Errorf("Cursor.Col = %d, want 4", m.ActiveWindow().Cursor.Col)
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}
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})
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t.Run("2cc (change 2 lines) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"line1", "line2", "line3", "line4"})
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sendKeys(tm, "j") // move to line2
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sendKeys(tm, "2", "c", "c") // change 2 lines (line2, line3)
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sendKeys(tm, "NEW", "LINE") // type replacement
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sendKeys(tm, "esc") // exit insert mode
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sendKeys(tm, "u") // undo
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m := getFinalModel(t, tm)
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expected := []string{"line1", "line2", "line3", "line4"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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t.Run("4diw (delete 4 words) undo", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"word1 word2 word3 word4 word5"})
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sendKeys(tm, "w") // move to word2
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sendKeyString(tm, "4diw") // delete 4 words (word2, word3, word4, word5)
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sendKeys(tm, "u") // undo
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m := getFinalModel(t, tm)
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expected := []string{"word1 word2 word3 word4 word5"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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})
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t.Run("complex count with paste: 3p after 2yy", func(t *testing.T) {
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tm := newTestModelWithLines(t, []string{"A", "B", "C", "D"})
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sendKeyString(tm, "2yy") // yank 2 lines (A, B)
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sendKeys(tm, "j", "j") // move to line C
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sendKeyString(tm, "3p") // paste 3 times
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sendKeys(tm, "u") // undo paste
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m := getFinalModel(t, tm)
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expected := []string{"A", "B", "C", "D"}
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if !equalStringSlices(m.ActiveBuffer().Lines, expected) {
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t.Errorf("Lines = %v, want %v", m.ActiveBuffer().Lines, expected)
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}
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// Cursor should be back at line C (index 2)
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if m.ActiveWindow().Cursor.Line != 2 {
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t.Errorf("Cursor.Line = %d, want 2", m.ActiveWindow().Cursor.Line)
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}
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})
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}
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