forked from google/gxui
/
text_selection_list_test.go
120 lines (107 loc) · 2.97 KB
/
text_selection_list_test.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package gxui
import test "github.com/google/gxui/testing"
import (
"github.com/google/gxui/interval"
"testing"
)
func TestTextSelectionMergeOne(t *testing.T) {
s := TextSelection{5, 10, true}
l := TextSelectionList{}
interval.Merge(&l, s)
test.AssertEquals(t, TextSelectionList{s}, l)
}
func TestTextSelectionMergeInner(t *testing.T) {
s1 := TextSelection{5, 10, true}
s2 := TextSelection{6, 9, false}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{5, 10, false},
}, l)
}
func TestTextSelectionMergeAtStart(t *testing.T) {
s1 := TextSelection{6, 9, true}
s2 := TextSelection{6, 7, false}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{6, 9, false},
}, l)
}
func TestTextSelectionMergeAtEnd(t *testing.T) {
s1 := TextSelection{6, 9, true}
s2 := TextSelection{8, 9, false}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{6, 9, false},
}, l)
}
func TestTextSelectionMergeEncompass(t *testing.T) {
s1 := TextSelection{6, 9, false}
s2 := TextSelection{5, 10, true}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{5, 10, true},
}, l)
}
func TestTextSelectionMergeDuplicate(t *testing.T) {
s1 := TextSelection{2, 6, false}
s2 := TextSelection{2, 6, true}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{2, 6, true},
}, l)
}
func TestTextSelectionMergeDuplicate0Len(t *testing.T) {
s1 := TextSelection{2, 2, false}
s2 := TextSelection{2, 2, true}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{2, 2, true},
}, l)
}
func TestTextSelectionMergeExtendStart(t *testing.T) {
s1 := TextSelection{6, 9, false}
s2 := TextSelection{1, 7, true}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{1, 9, true},
}, l)
}
func TestTextSelectionMergeExtendEnd(t *testing.T) {
s1 := TextSelection{6, 9, true}
s2 := TextSelection{8, 15, false}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{6, 15, false},
}, l)
}
func TestTextSelectionMergeBeforeStart(t *testing.T) {
s1 := TextSelection{6, 9, true}
s2 := TextSelection{2, 6, false}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{2, 6, false},
TextSelection{6, 9, true},
}, l)
}
func TestTextSelectionMergeAfterEnd(t *testing.T) {
s1 := TextSelection{2, 6, false}
s2 := TextSelection{6, 9, true}
l := TextSelectionList{s1}
interval.Merge(&l, s2)
test.AssertEquals(t, TextSelectionList{
TextSelection{2, 6, false},
TextSelection{6, 9, true},
}, l)
}