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indexOfAny, lastIndexOfAny return an index value only (similar to indexOf, lastIndexOf).

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findAnyOf, findLastAnyOf introduced to cover the case when an index and a matched string value is required.
This commit is contained in:
Ilya Gorbunov
2015-03-30 19:57:18 +03:00
parent bb8df6be4b
commit 536a977f5c
2 changed files with 113 additions and 55 deletions
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libraries/stdlib/test/text/StringTest.kt
+63 -33
View File
@@ -315,57 +315,87 @@ class StringTest {
test fun indexOfAnyChar() {
val string = "abracadabra"
val chars = charArray('d','b')
assertEquals(1 to 'b', string.indexOfAny(chars))
assertEquals(6 to 'd', string.indexOfAny(chars, startIndex = 2))
assertEquals(null, string.indexOfAny(chars, startIndex = 9))
assertEquals(1, string.indexOfAny(chars))
assertEquals(6, string.indexOfAny(chars, startIndex = 2))
assertEquals(-1, string.indexOfAny(chars, startIndex = 9))
assertEquals(8 to 'b', string.lastIndexOfAny(chars))
assertEquals(6 to 'd', string.lastIndexOfAny(chars, startIndex = 7))
assertEquals(null, string.lastIndexOfAny(chars, startIndex = 0))
assertEquals(8, string.lastIndexOfAny(chars))
assertEquals(6, string.lastIndexOfAny(chars, startIndex = 7))
assertEquals(-1, string.lastIndexOfAny(chars, startIndex = 0))
assertEquals(null, string.indexOfAny(charArray()))
assertEquals(-1, string.indexOfAny(charArray()))
}
test fun indexOfAnyCharIgnoreCase() {
val string = "abraCadabra"
val chars = charArray('B','c')
assertEquals(1 to 'B', string.indexOfAny(chars, ignoreCase = true))
assertEquals(4 to 'c', string.indexOfAny(chars, startIndex = 2, ignoreCase = true))
assertEquals(null, string.indexOfAny(chars, startIndex = 9, ignoreCase = true))
assertEquals(1, string.indexOfAny(chars, ignoreCase = true))
assertEquals(4, string.indexOfAny(chars, startIndex = 2, ignoreCase = true))
assertEquals(-1, string.indexOfAny(chars, startIndex = 9, ignoreCase = true))
assertEquals(8 to 'B', string.lastIndexOfAny(chars, ignoreCase = true))
assertEquals(4 to 'c', string.lastIndexOfAny(chars, startIndex = 7, ignoreCase = true))
assertEquals(null, string.lastIndexOfAny(chars, startIndex = 0, ignoreCase = true))
assertEquals(8, string.lastIndexOfAny(chars, ignoreCase = true))
assertEquals(4, string.lastIndexOfAny(chars, startIndex = 7, ignoreCase = true))
assertEquals(-1, string.lastIndexOfAny(chars, startIndex = 0, ignoreCase = true))
}
test fun indexOfAnyString() {
val string = "abracadabra"
val substrings = listOf("rac", "ra")
assertEquals(2 to "rac", string.indexOfAny(substrings))
assertEquals(9 to "ra", string.indexOfAny(substrings, startIndex = 3))
assertEquals(2 to "ra", string.indexOfAny(substrings.reverse()))
assertEquals(null, string.indexOfAny(substrings, 10))
assertEquals(2, string.indexOfAny(substrings))
assertEquals(9, string.indexOfAny(substrings, startIndex = 3))
assertEquals(2, string.indexOfAny(substrings.reverse()))
assertEquals(-1, string.indexOfAny(substrings, 10))
assertEquals(9 to "ra", string.lastIndexOfAny(substrings))
assertEquals(2 to "rac", string.lastIndexOfAny(substrings, startIndex = 8))
assertEquals(2 to "ra", string.lastIndexOfAny(substrings.reverse(), startIndex = 8))
assertEquals(null, string.lastIndexOfAny(substrings, 1))
assertEquals(9, string.lastIndexOfAny(substrings))
assertEquals(2, string.lastIndexOfAny(substrings, startIndex = 8))
assertEquals(2, string.lastIndexOfAny(substrings.reverse(), startIndex = 8))
assertEquals(-1, string.lastIndexOfAny(substrings, 1))
assertEquals(0 to "", string.indexOfAny(listOf("dab", "")), "empty strings are not ignored")
assertEquals(null, string.indexOfAny(listOf()))
assertEquals(0, string.indexOfAny(listOf("dab", "")), "empty strings are not ignored")
assertEquals(-1, string.indexOfAny(listOf()))
}
test fun indexOfAnyStringIgnoreCase() {
val string = "aBraCadaBrA"
val substrings = listOf("rAc", "Ra")
assertEquals(2 to substrings[0], string.indexOfAny(substrings, ignoreCase = true))
assertEquals(9 to substrings[1], string.indexOfAny(substrings, startIndex = 3, ignoreCase = true))
assertEquals(null, string.indexOfAny(substrings, startIndex = 10, ignoreCase = true))
assertEquals(2, string.indexOfAny(substrings, ignoreCase = true))
assertEquals(9, string.indexOfAny(substrings, startIndex = 3, ignoreCase = true))
assertEquals(-1, string.indexOfAny(substrings, startIndex = 10, ignoreCase = true))
assertEquals(9 to substrings[1], string.lastIndexOfAny(substrings, ignoreCase = true))
assertEquals(2 to substrings[0], string.lastIndexOfAny(substrings, startIndex = 8, ignoreCase = true))
assertEquals(null, string.lastIndexOfAny(substrings, startIndex = 1, ignoreCase = true))
assertEquals(9, string.lastIndexOfAny(substrings, ignoreCase = true))
assertEquals(2, string.lastIndexOfAny(substrings, startIndex = 8, ignoreCase = true))
assertEquals(-1, string.lastIndexOfAny(substrings, startIndex = 1, ignoreCase = true))
}
test fun findAnyOfStrings() {
val string = "abracadabra"
val substrings = listOf("rac", "ra")
assertEquals(2 to "rac", string.findAnyOf(substrings))
assertEquals(9 to "ra", string.findAnyOf(substrings, startIndex = 3))
assertEquals(2 to "ra", string.findAnyOf(substrings.reverse()))
assertEquals(null, string.findAnyOf(substrings, 10))
assertEquals(9 to "ra", string.findLastAnyOf(substrings))
assertEquals(2 to "rac", string.findLastAnyOf(substrings, startIndex = 8))
assertEquals(2 to "ra", string.findLastAnyOf(substrings.reverse(), startIndex = 8))
assertEquals(null, string.findLastAnyOf(substrings, 1))
assertEquals(0 to "", string.findAnyOf(listOf("dab", "")), "empty strings are not ignored")
assertEquals(null, string.findAnyOf(listOf()))
}
test fun findAnyOfStringsIgnoreCase() {
val string = "aBraCadaBrA"
val substrings = listOf("rAc", "Ra")
assertEquals(2 to substrings[0], string.findAnyOf(substrings, ignoreCase = true))
assertEquals(9 to substrings[1], string.findAnyOf(substrings, startIndex = 3, ignoreCase = true))
assertEquals(null, string.findAnyOf(substrings, startIndex = 10, ignoreCase = true))
assertEquals(9 to substrings[1], string.findLastAnyOf(substrings, ignoreCase = true))
assertEquals(2 to substrings[0], string.findLastAnyOf(substrings, startIndex = 8, ignoreCase = true))
assertEquals(null, string.findLastAnyOf(substrings, startIndex = 1, ignoreCase = true))
}
test fun indexOfChar() {
@@ -378,8 +408,8 @@ class StringTest {
assertEquals(2, string.lastIndexOf('e', 3))
for (startIndex in -1..string.length()+1) {
assertEquals(string.indexOfAny(charArray('e'), startIndex)?.first ?: -1, string.indexOf('e', startIndex))
assertEquals(string.lastIndexOfAny(charArray('e'), startIndex)?.first ?: -1, string.lastIndexOf('e', startIndex))
assertEquals(string.indexOfAny(charArray('e'), startIndex), string.indexOf('e', startIndex))
assertEquals(string.lastIndexOfAny(charArray('e'), startIndex), string.lastIndexOf('e', startIndex))
}
}
@@ -395,8 +425,8 @@ class StringTest {
for (startIndex in -1..string.length()+1){
assertEquals(string.indexOfAny(charArray('e'), startIndex, ignoreCase = true)?.first ?: -1, string.indexOf('E', startIndex, ignoreCase = true))
assertEquals(string.lastIndexOfAny(charArray('E'), startIndex, ignoreCase = true)?.first ?: -1, string.lastIndexOf('e', startIndex, ignoreCase = true))
assertEquals(string.indexOfAny(charArray('e'), startIndex, ignoreCase = true), string.indexOf('E', startIndex, ignoreCase = true))
assertEquals(string.lastIndexOfAny(charArray('E'), startIndex, ignoreCase = true), string.lastIndexOf('e', startIndex, ignoreCase = true))
}
}