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Added a columnOf types test #1729

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Merged
AndreiKingsley merged 3 commits into from
Mar 16, 2026
Merged

Added a columnOf types test #1729

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12f7b06
add `columnOf` types test
AndreiKingsley Mar 9, 2026
952b7ca
remove all workarounds related to #678 and #679 and cover those metho…
AndreiKingsley Mar 14, 2026
1b2cc9c
Merge branch 'master' into columnOf_types
AndreiKingsley Mar 14, 2026
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27 changes: 27 additions & 0 deletions core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/api/constructors.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,33 @@ import kotlin.reflect.typeOf

class ConstructorsTests {

@Test
fun `columnOf correct types`() {
val intCol = columnOf(1, 2, 3)
intCol.type shouldBe typeOf<Int>()

val stringCol = columnOf("a", "b", "c")
stringCol.type shouldBe typeOf<String>()

val nullableIntCol = columnOf(1, 2, null)
nullableIntCol.type shouldBe typeOf<Int?>()

val doubleCol = columnOf(1.0, 2.5, 3.7)
doubleCol.type shouldBe typeOf<Double>()

val booleanCol = columnOf(true, false, true)
booleanCol.type shouldBe typeOf<Boolean>()

val arrayIntCol = columnOf(arrayOf(1))
arrayIntCol.type shouldBe typeOf<Array<Int>>()

val intArrayCol = columnOf(intArrayOf(1))
intArrayCol.type shouldBe typeOf<IntArray>()

val nullableArrayIntCol = columnOf(arrayOf(1, null))
nullableArrayIntCol.type shouldBe typeOf<Array<Int?>>()
}

@Test
fun `untitled column naming`() {
val builder = DynamicDataFrameBuilder()
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