mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
352 lines
7.7 KiB
C#
352 lines
7.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Threading.Tasks;
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using Terminal.Gui;
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using Xunit;
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using System.Globalization;
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using Xunit.Abstractions;
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namespace Terminal.Gui.Views {
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public class TabViewTests {
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readonly ITestOutputHelper output;
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public TabViewTests (ITestOutputHelper output)
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{
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this.output = output;
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}
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private TabView GetTabView ()
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{
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return GetTabView (out _, out _);
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}
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private TabView GetTabView (out TabView.Tab tab1, out TabView.Tab tab2, bool initFakeDriver = true)
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{
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if(initFakeDriver)
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InitFakeDriver ();
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var tv = new TabView ();
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tv.ColorScheme = new ColorScheme ();
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tv.AddTab (tab1 = new TabView.Tab ("Tab1", new TextField ("hi")), false);
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tv.AddTab (tab2 = new TabView.Tab ("Tab2", new Label ("hi2")), false);
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return tv;
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}
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[Fact]
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public void AddTwoTabs_SecondIsSelected ()
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{
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InitFakeDriver ();
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var tv = new TabView ();
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TabView.Tab tab1;
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TabView.Tab tab2;
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tv.AddTab (tab1 = new TabView.Tab ("Tab1", new TextField ("hi")), false);
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tv.AddTab (tab2 = new TabView.Tab ("Tab1", new Label ("hi2")), true);
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Assert.Equal (2, tv.Tabs.Count);
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Assert.Equal (tab2, tv.SelectedTab);
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Application.Shutdown ();
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}
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[Fact]
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public void EnsureSelectedTabVisible_NullSelect ()
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{
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var tv = GetTabView ();
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tv.SelectedTab = null;
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Assert.Null (tv.SelectedTab);
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Assert.Equal (0, tv.TabScrollOffset);
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tv.EnsureSelectedTabIsVisible ();
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Assert.Null (tv.SelectedTab);
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Assert.Equal (0, tv.TabScrollOffset);
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Application.Shutdown ();
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}
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[Fact]
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public void EnsureSelectedTabVisible_MustScroll ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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// Make tab width small to force only one tab visible at once
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tv.Width = 4;
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tv.SelectedTab = tab1;
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Assert.Equal (0, tv.TabScrollOffset);
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tv.EnsureSelectedTabIsVisible ();
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Assert.Equal (0, tv.TabScrollOffset);
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// Asking to show tab2 should automatically move scroll offset accordingly
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tv.SelectedTab = tab2;
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Assert.Equal (1, tv.TabScrollOffset);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void SelectedTabChanged_Called ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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tv.SelectedTab = tab1;
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TabView.Tab oldTab = null;
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TabView.Tab newTab = null;
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int called = 0;
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tv.SelectedTabChanged += (s, e) => {
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oldTab = e.OldTab;
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newTab = e.NewTab;
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called++;
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};
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tv.SelectedTab = tab2;
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Assert.Equal (1, called);
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Assert.Equal (tab1, oldTab);
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Assert.Equal (tab2, newTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void RemoveTab_ChangesSelection ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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tv.SelectedTab = tab1;
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tv.RemoveTab (tab1);
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Assert.Equal (tab2, tv.SelectedTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void RemoveTab_MultipleCalls_NotAnError ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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tv.SelectedTab = tab1;
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// Repeated calls to remove a tab that is not part of
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// the collection should be ignored
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tv.RemoveTab (tab1);
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tv.RemoveTab (tab1);
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tv.RemoveTab (tab1);
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tv.RemoveTab (tab1);
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Assert.Equal (tab2, tv.SelectedTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void RemoveAllTabs_ClearsSelection ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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tv.SelectedTab = tab1;
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tv.RemoveTab (tab1);
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tv.RemoveTab (tab2);
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Assert.Null (tv.SelectedTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void SwitchTabBy_NormalUsage ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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TabView.Tab tab3;
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TabView.Tab tab4;
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TabView.Tab tab5;
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tv.AddTab (tab3 = new TabView.Tab (), false);
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tv.AddTab (tab4 = new TabView.Tab (), false);
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tv.AddTab (tab5 = new TabView.Tab (), false);
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tv.SelectedTab = tab1;
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int called = 0;
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tv.SelectedTabChanged += (s, e) => { called++; };
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tv.SwitchTabBy (1);
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Assert.Equal (1, called);
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Assert.Equal (tab2, tv.SelectedTab);
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//reset called counter
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called = 0;
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// go right 2
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tv.SwitchTabBy (2);
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// even though we go right 2 indexes the event should only be called once
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Assert.Equal (1, called);
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Assert.Equal (tab4, tv.SelectedTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void AddTab_SameTabMoreThanOnce ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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Assert.Equal (2, tv.Tabs.Count);
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// Tab is already part of the control so shouldn't result in duplication
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tv.AddTab (tab1, false);
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tv.AddTab (tab1, false);
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tv.AddTab (tab1, false);
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tv.AddTab (tab1, false);
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Assert.Equal (2, tv.Tabs.Count);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact]
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public void SwitchTabBy_OutOfTabsRange ()
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{
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var tv = GetTabView (out var tab1, out var tab2);
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tv.SelectedTab = tab1;
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tv.SwitchTabBy (500);
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Assert.Equal (tab2, tv.SelectedTab);
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tv.SwitchTabBy (-500);
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Assert.Equal (tab1, tv.SelectedTab);
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// Shutdown must be called to safely clean up Application if Init has been called
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Application.Shutdown ();
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}
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[Fact,AutoInitShutdown]
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public void TestThinTabView_WithLongNames ()
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{
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var tv = GetTabView (out var tab1, out var tab2,false);
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tv.Width = 10;
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tv.Height = 5;
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// Ensures that the tab bar subview gets the bounds of the parent TabView
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tv.LayoutSubviews ();
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// Test two tab names that fit
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tab1.Text = "12";
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tab2.Text = "13";
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌──┐
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│12│13
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│ └─────┐
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│hi │
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└────────┘", output);
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// Test first tab name too long
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tab1.Text = "12345678910";
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tab2.Text = "13";
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌───────┐
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│1234567│
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│ └►
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│hi │
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└────────┘", output);
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//switch to tab2
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tv.SelectedTab = tab2;
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌──┐
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│13│
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◄ └─────┐
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│hi2 │
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└────────┘", output);
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// now make both tabs too long
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tab1.Text = "12345678910";
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tab2.Text = "abcdefghijklmnopq";
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌───────┐
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│abcdefg│
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◄ └┐
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│hi2 │
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└────────┘", output);
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}
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[Fact, AutoInitShutdown]
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public void TestTabView_Width4 ()
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{
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var tv = GetTabView (out _, out _, false);
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tv.Width = 4;
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tv.Height = 5;
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tv.LayoutSubviews ();
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌─┐
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│T│
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│ └►
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│hi│
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└──┘", output);
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}
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[Fact, AutoInitShutdown]
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public void TestTabView_Width3 ()
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{
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var tv = GetTabView (out _, out _, false);
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tv.Width = 3;
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tv.Height = 5;
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tv.LayoutSubviews ();
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tv.Redraw (tv.Bounds);
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GraphViewTests.AssertDriverContentsAre (@"
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┌─┐
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│hi
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└─┘", output);
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}
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private void InitFakeDriver ()
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{
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var driver = new FakeDriver ();
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Application.Init (driver, new FakeMainLoop (() => FakeConsole.ReadKey (true)));
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driver.Init (() => { });
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}
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}
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} |