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515 lines
20 KiB
Rust
515 lines
20 KiB
Rust
use tui::{
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backend::TestBackend,
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buffer::Buffer,
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layout::Constraint,
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widgets::{Block, Borders, Row, Table},
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Terminal,
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};
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#[test]
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fn widgets_table_column_spacing_can_be_changed() {
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let test_case = |column_spacing, expected| {
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let size = f.size();
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let table = Table::new(vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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])
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::default().borders(Borders::ALL))
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.widths(&[
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Constraint::Length(5),
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Constraint::Length(5),
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Constraint::Length(5),
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])
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.column_spacing(column_spacing);
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f.render_widget(table, size);
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})
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.unwrap();
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terminal.backend().assert_buffer(&expected);
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};
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// no space between columns
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test_case(
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0,
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1Head2Head3 │",
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"│ │",
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"│Row11Row12Row13 │",
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"│Row21Row22Row23 │",
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"│Row31Row32Row33 │",
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"│Row41Row42Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// one space between columns
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test_case(
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1,
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// enough space to just not hide the third column
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test_case(
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6,
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// enough space to hide part of the third column
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test_case(
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7,
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head│",
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"│ │",
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"│Row11 Row12 Row1│",
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"│Row21 Row22 Row2│",
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"│Row31 Row32 Row3│",
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"│Row41 Row42 Row4│",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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}
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#[test]
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fn widgets_table_columns_widths_can_use_fixed_length_constraints() {
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let test_case = |widths, expected| {
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let size = f.size();
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let table = Table::new(vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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])
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::default().borders(Borders::ALL))
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.widths(widths);
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f.render_widget(table, size);
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})
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.unwrap();
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terminal.backend().assert_buffer(&expected);
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};
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// columns of zero width show nothing
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test_case(
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&[
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Constraint::Length(0),
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Constraint::Length(0),
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Constraint::Length(0),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of 1 width trim
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test_case(
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&[
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Constraint::Length(1),
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Constraint::Length(1),
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Constraint::Length(1),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│H H H │",
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"│ │",
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"│R R R │",
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"│R R R │",
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"│R R R │",
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"│R R R │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of large width just before pushing a column off
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test_case(
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&[
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Constraint::Length(8),
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Constraint::Length(8),
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Constraint::Length(8),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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}
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#[test]
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fn widgets_table_columns_widths_can_use_percentage_constraints() {
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let test_case = |widths, expected| {
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let size = f.size();
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let table = Table::new(vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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])
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::default().borders(Borders::ALL))
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.widths(widths)
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.column_spacing(0);
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f.render_widget(table, size);
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})
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.unwrap();
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terminal.backend().assert_buffer(&expected);
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};
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// columns of zero width show nothing
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test_case(
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&[
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Constraint::Percentage(0),
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Constraint::Percentage(0),
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Constraint::Percentage(0),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of not enough width trims the data
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test_case(
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&[
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Constraint::Percentage(11),
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Constraint::Percentage(11),
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Constraint::Percentage(11),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│HeaHeaHea │",
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"│ │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of large width just before pushing a column off
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test_case(
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&[
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Constraint::Percentage(33),
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Constraint::Percentage(33),
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Constraint::Percentage(33),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// percentages summing to 100 should give equal widths
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test_case(
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&[Constraint::Percentage(50), Constraint::Percentage(50)],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 │",
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"│ │",
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"│Row11 Row12 │",
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"│Row21 Row22 │",
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"│Row31 Row32 │",
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"│Row41 Row42 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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}
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#[test]
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fn widgets_table_columns_widths_can_use_mixed_constraints() {
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let test_case = |widths, expected| {
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let size = f.size();
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let table = Table::new(vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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])
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::default().borders(Borders::ALL))
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.widths(widths);
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f.render_widget(table, size);
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})
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.unwrap();
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terminal.backend().assert_buffer(&expected);
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};
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// columns of zero width show nothing
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test_case(
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&[
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Constraint::Percentage(0),
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Constraint::Length(0),
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Constraint::Percentage(0),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of not enough width trims the data
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test_case(
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&[
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Constraint::Percentage(11),
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Constraint::Length(20),
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Constraint::Percentage(11),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Hea Head2 Hea│",
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"│ │",
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"│Row Row12 Row│",
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"│Row Row22 Row│",
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"│Row Row32 Row│",
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"│Row Row42 Row│",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of large width just before pushing a column off
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test_case(
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&[
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Constraint::Percentage(33),
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Constraint::Length(10),
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Constraint::Percentage(33),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of large size (>100% total) hide the last column
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test_case(
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&[
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Constraint::Percentage(60),
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Constraint::Length(10),
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Constraint::Percentage(60),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 │",
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"│ │",
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"│Row11 Row12 │",
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"│Row21 Row22 │",
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"│Row31 Row32 │",
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"│Row41 Row42 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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}
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#[test]
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fn widgets_table_columns_widths_can_use_ratio_constraints() {
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let test_case = |widths, expected| {
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let backend = TestBackend::new(30, 10);
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let mut terminal = Terminal::new(backend).unwrap();
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terminal
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.draw(|f| {
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let size = f.size();
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let table = Table::new(vec![
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Row::new(vec!["Row11", "Row12", "Row13"]),
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Row::new(vec!["Row21", "Row22", "Row23"]),
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Row::new(vec!["Row31", "Row32", "Row33"]),
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Row::new(vec!["Row41", "Row42", "Row43"]),
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])
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.header(Row::new(vec!["Head1", "Head2", "Head3"]).bottom_margin(1))
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.block(Block::default().borders(Borders::ALL))
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.widths(widths)
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.column_spacing(0);
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f.render_widget(table, size);
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})
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.unwrap();
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terminal.backend().assert_buffer(&expected);
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};
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// columns of zero width show nothing
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test_case(
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&[
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Constraint::Ratio(0, 1),
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Constraint::Ratio(0, 1),
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Constraint::Ratio(0, 1),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of not enough width trims the data
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test_case(
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&[
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Constraint::Ratio(1, 9),
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Constraint::Ratio(1, 9),
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Constraint::Ratio(1, 9),
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],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│HeaHeaHea │",
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"│ │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│RowRowRow │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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// columns of large width just before pushing a column off
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test_case(
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&[
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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],
|
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 Head3 │",
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"│ │",
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"│Row11 Row12 Row13 │",
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"│Row21 Row22 Row23 │",
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"│Row31 Row32 Row33 │",
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"│Row41 Row42 Row43 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
|
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// percentages summing to 100 should give equal widths
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test_case(
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&[Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)],
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Buffer::with_lines(vec![
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"┌────────────────────────────┐",
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"│Head1 Head2 │",
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"│ │",
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"│Row11 Row12 │",
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"│Row21 Row22 │",
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"│Row31 Row32 │",
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"│Row41 Row42 │",
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"│ │",
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"│ │",
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"└────────────────────────────┘",
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]),
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);
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}
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