Reverting the pull-request #29 due to the upcoming redesign of the lazy collections API

libraries/stdlib/test/sequences/SequenceTest.kt

@@ -1,83 +0,0 @@
-package test.sequences
-
-import java.util.ArrayList
-
-import kotlin.sequences.asSequence
-import kotlin.sequences.sequence
-import kotlin.util.arrayList
-import kotlin.util.fold
-
-import kotlin.test.assertEquals
-import org.junit.Test
-
-class SequenceTest {
-
-  Test fun filterReturnsTheExpectedSequence() {
-    val actual = (1..10).asSequence().filter { it % 2 == 0 }
-    assertEquals(arrayList(2, 4, 6, 8, 10), actual.toList())
-  }
-
-  Test fun filterReturnsAnEmptySequenceWhenNoElementMatchesThePredicate() {
-    val actual = sequence(1, 3, 4, 7).filter { it > 7 }
-    assertEquals(ArrayList<Int>(), actual.toList())
-  }
-
-  Test fun foldReturnsTheExpectedReduction() {
-    val actual = (1..10).asSequence().filter { it % 2 == 1 }.fold(0, sum)
-    assertEquals(1 + 3 + 5 + 7 + 9, actual)
-  }
-
-  Test fun foldReturnsTheInitialValueForAnEmptySequence() {
-    val initialValue = 0
-    val actual = (1..0).asSequence().fold(initialValue, sum)
-
-    assertEquals(initialValue, actual)
-  }
-
-  private val sum = { (a : Int, b : Int) -> a + b }
-
-  Test fun mapReturnsTheExpectedTransformation() {
-    val actual = sequence(1, 3, 4, 7).map { it * 2 }
-    assertEquals(arrayList(2, 6, 8, 14), actual.toList())
-  }
-
-  Test fun takeReturnsTheFirstNElements() {
-    var actual = (1..5).asSequence().take(3)
-    assertEquals(arrayList(1, 2, 3), actual.toList())
-  }
-
-  Test fun takeReturnsTheEntireSequenceWhenTheNumberOfElementsIsGreaterThanItsSize() {
-    val actual = sequence(1, 2).take(3)
-    assertEquals(arrayList(1, 2), actual.toList())
-  }
-
-  Test fun takeReturnsAnEmptySequenceForAnEmptySequence() {
-    val actual = (1..0).asSequence().take(3)
-    assertEquals(ArrayList<Int>(), actual.toList())
-  }
-
-  Test fun takeReturnsAnEmptySequenceWhenTheNumberOfElementsToExtractIsZero() {
-    val actual = sequence(1, 2).take(0)
-    assertEquals(ArrayList<Int>(), actual.toList())
-  }
-
-  Test fun takeReturnsAnEmptySequenceWhenTheNumberOfElementsToExtractIsNegative() {
-    val actual = sequence(1, 2).take(-1)
-    assertEquals(ArrayList<Int>(), actual.toList())
-  }
-
-  Test fun takeWhileReturnsTheFirstElementsMatchingAGivenPredicate() {
-    val actual = sequence(1, 2, 3, 4, 1, 2, 3, 4).takeWhile { it < 3 }
-    assertEquals(arrayList(1, 2), actual.toList())
-  }
-
-  Test fun takeWhileReturnsTheEntireSequenceWhenThePredicateMatchesAllElements() {
-    val actual = sequence(1, 2, 3).takeWhile { it < 9 }
-    assertEquals(arrayList(1, 2, 3), actual.toList())
-  }
-
-  Test fun takeWhileReturnsAnEmptySequenceWhenThePredicateMatchesNothing() {
-    val actual = sequence(1, 2, 3).takeWhile { it < 0 }
-    assertEquals(ArrayList<Int>(), actual.toList())
-  }
-}

libraries/stdlib/test/sequences/SequencesTest.kt

@@ -1,68 +0,0 @@
-package test.sequences
-
-import kotlin.sequences.grouped
-import kotlin.sequences.sequence
-import kotlin.sequences.sliding
-import kotlin.sequences.times
-import kotlin.util.arrayList
-
-import kotlin.test.assertEquals
-import org.junit.Test
-
-class SequencesTest {
-
-  Test fun timesComputesTheCartesianSquareOfAnIterable() {
-    val actual = (1..3) * (1..3)
-    val expected = arrayList(
-        #(1, 1), #(1, 2), #(1, 3),
-        #(2, 1), #(2, 2), #(2, 3),
-        #(3, 1), #(3, 2), #(3, 3)
-    )
-    assertEquals(expected, actual.toList())
-  }
-
-  Test fun timesComputesTheCartesianProductOfTwoRanges() {
-    val actual = (1..3) * (4..7)
-    val expected = arrayList(
-        #(1, 4), #(1, 5), #(1, 6), #(1, 7),
-        #(2, 4), #(2, 5), #(2, 6), #(2, 7),
-        #(3, 4), #(3, 5), #(3, 6), #(3, 7)
-    )
-    assertEquals(expected, actual.toList())
-  }
-
-  Test fun timesComputesTheCartesianProductOfTwoIterables() {
-    val actual = sequence(1, 3, 5, 7) * (4..6)
-    val expected = arrayList(
-        #(1, 4), #(1, 5), #(1, 6),
-        #(3, 4), #(3, 5), #(3, 6),
-        #(5, 4), #(5, 5), #(5, 6),
-        #(7, 4), #(7, 5), #(7, 6)
-    )
-    assertEquals(expected, actual.toList())
-  }
-
-  Test fun groupedReturnsFixedSizeGroupsOfStrings() {
-    val digits = """
-62229893423380308135336276614282806444486645238749
-30358907296290491560440772390713810515859307960866
-70172427121883998797908792274921901699720888093776
-65727333001053367881220235421809751254540594752243
-""".trim().replaceAll("\\n", "")
-
-    val actual = digits.grouped(50).toList().get(2)
-    assertEquals("70172427121883998797908792274921901699720888093776", actual)
-  }
-
-  Test fun slidingOverALongStringOfDigits() {
-    val digits = """
-62229893423380308135336276614282806444486645238749
-30358907296290491560440772390713810515859307960866
-70172427121883998797908792274921901699720888093776
-65727333001053367881220235421809751254540594752243
-""".trim().replaceAll("\\n", "")
-
-    val actual = digits.sliding(3).filter { Integer.parseInt(it) > 990 }
-    assertEquals(arrayList("998", "997"), actual.toList())
-  }
-}