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Set the correct file structure to maintain backward compatibility. (#18)

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Adrian Kuta
2022-12-16 19:05:59 +01:00
committed by GitHub
parent 5dd586f9af
commit ae4757fb9d
9 changed files with 10 additions and 22 deletions
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16
src/commonTest/kotlin/com.github.adriankuta/datastructure.tree/ExampleUnitTest.kt Normal file
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package com.github.adriankuta.datastructure.tree
import kotlin.test.Test
import kotlin.test.assertEquals
/**
* Example local unit test, which will execute on the development machine (host).
*
* See [testing documentation](http://d.android.com/tools/testing).
*/
class ExampleUnitTest {
@Test
fun addition_isCorrect() {
assertEquals(4, 2 + 2)
}
}

227
src/commonTest/kotlin/com.github.adriankuta/datastructure.tree/TreeNodeTest.kt Normal file
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package com.github.adriankuta.datastructure.tree
import kotlin.test.Test
import kotlin.test.assertContentEquals
import kotlin.test.assertEquals
import kotlin.test.assertNull
class TreeNodeTest {
@Test
fun removeNodeTest() {
val root = TreeNode("Root")
val beveragesNode = TreeNode("Beverages")
val curdNode = TreeNode("Curd")
root.addChild(beveragesNode)
root.addChild(curdNode)
val teaNode = TreeNode("tea")
val coffeeNode = TreeNode("coffee")
val milkShakeNode = TreeNode("Milk Shake")
beveragesNode.addChild(teaNode)
beveragesNode.addChild(coffeeNode)
beveragesNode.addChild(milkShakeNode)
val gingerTeaNode = TreeNode("ginger tea")
val normalTeaNode = TreeNode("normal tea")
teaNode.addChild(gingerTeaNode)
teaNode.addChild(normalTeaNode)
val yogurtNode = TreeNode("yogurt")
val lassiNode = TreeNode("lassi")
curdNode.addChild(yogurtNode)
curdNode.addChild(lassiNode)
assertEquals(
"Root\n" +
"├── Beverages\n" +
"│ ├── tea\n" +
"│ │ ├── ginger tea\n" +
"│ │ └── normal tea\n" +
"│ ├── coffee\n" +
"│ └── Milk Shake\n" +
"└── Curd\n" +
" ├── yogurt\n" +
" └── lassi\n",
root.prettyString(),
"Pretty print test"
)
root.removeChild(curdNode)
root.removeChild(gingerTeaNode)
assertEquals(
"Root\n" +
"└── Beverages\n" +
" ├── tea\n" +
" │ └── normal tea\n" +
" ├── coffee\n" +
" └── Milk Shake\n",
root.prettyString(),
"Remove node test"
)
}
@Test
fun clearTest() {
val root = TreeNode("Root")
val beveragesNode = TreeNode("Beverages")
val curdNode = TreeNode("Curd")
root.addChild(beveragesNode)
root.addChild(curdNode)
val teaNode = TreeNode("tea")
val coffeeNode = TreeNode("coffee")
val milkShakeNode = TreeNode("Milk Shake")
beveragesNode.addChild(teaNode)
beveragesNode.addChild(coffeeNode)
beveragesNode.addChild(milkShakeNode)
val gingerTeaNode = TreeNode("ginger tea")
val normalTeaNode = TreeNode("normal tea")
teaNode.addChild(gingerTeaNode)
teaNode.addChild(normalTeaNode)
val yogurtNode = TreeNode("yogurt")
val lassiNode = TreeNode("lassi")
curdNode.addChild(yogurtNode)
curdNode.addChild(lassiNode)
root.clear()
assertEquals(root.children, emptyList())
assertEquals(beveragesNode.children, emptyList())
assertEquals(curdNode.children, emptyList())
assertEquals(teaNode.children, emptyList())
assertEquals(coffeeNode.children, emptyList())
assertEquals(milkShakeNode.children, emptyList())
assertEquals(gingerTeaNode.children, emptyList())
assertEquals(normalTeaNode.children, emptyList())
assertEquals(yogurtNode.children, emptyList())
assertEquals(lassiNode.children, emptyList())
assertNull(root.parent)
assertNull(beveragesNode.parent)
assertNull(curdNode.parent)
assertNull(teaNode.parent)
assertNull(coffeeNode.parent)
assertNull(milkShakeNode.parent)
assertNull(gingerTeaNode.parent)
assertNull(normalTeaNode.parent)
assertNull(yogurtNode.parent)
assertNull(lassiNode.parent)
}
@Test
fun kotlinExtTest() {
val root = TreeNode("World")
val northA = TreeNode("North America")
val europe = TreeNode("Europe")
root.addChild(northA)
root.addChild(europe)
val usa = TreeNode("USA")
northA.addChild(usa)
val poland = TreeNode("Poland")
val france = TreeNode("France")
europe.addChild(poland)
europe.addChild(france)
val rootExt = tree("World") {
child("North America") {
child("USA")
}
child("Europe") {
child("Poland")
child("France")
}
}
assertEquals(root.prettyString(), rootExt.prettyString())
}
@Test
fun preOrderIteratorTest() {
val tree = tree("F") {
child("B") {
child("A")
child("D") {
child("C")
child("E")
}
}
child("G") {
child("I") {
child("H")
}
}
}
val expectedPreOrder = listOf("F", "B", "A", "D", "C", "E", "G", "I", "H")
assertContentEquals(expectedPreOrder, tree.toList().map { it.toString() })
}
@Test
fun postOrderIteratorTest() {
val tree = tree("A", TreeNodeIterators.PostOrder) {
child("B") {
child("E")
}
child("C")
child("D") {
child("F")
child("G")
child("H")
child("I")
child("J")
}
}
val expectedPreOrder = listOf("E", "B", "C", "F", "G", "H", "I", "J", "D", "A")
assertContentEquals(expectedPreOrder, tree.toList().map { it.toString() })
}
@Test
fun secondPostOrderIteratorTest() {
val tree = tree(1, TreeNodeIterators.PostOrder) {
child(2) {
child(5) {
child(10)
}
child(6) {
child(11)
child(12)
child(13)
}
}
child(3)
child(4) {
child(7)
child(8)
child(9)
}
}
val expectedOrder = listOf(10, 5, 11, 12, 13, 6, 2, 3, 7, 8, 9, 4, 1)
assertContentEquals(expectedOrder, tree.toList().map { it.value })
}
@Test
fun levelOrderIteratorTest() {
val tree = tree(1, TreeNodeIterators.LevelOrder) {
child(2) {
child(5) {
child(10)
}
child(6) {
child(11)
child(12)
child(13)
}
}
child(3)
child(4) {
child(7)
child(8)
child(9)
}
}
val expectedOrder = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
assertContentEquals(expectedOrder, tree.toList().map { it.value })
}
}