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package scala.tools.nsc
package interpreter
//import org.junit.Assert._
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
case class Tabby(width: Int = 80, isAcross: Boolean = false, marginSize: Int = 3) extends Tabulator
case class VTabby(width: Int = 80, isAcross: Boolean = false, marginSize: Int = 3) extends VariColumnTabulator
@RunWith(classOf[JUnit4])
class TabulatorTest {
@Test def oneliner() = {
val sut = Tabby()
val items = List("a", "b", "c")
val res = sut tabulate items
assert(res.size == 1)
assert(res(0).size == 1)
assert(res(0)(0) startsWith "a")
assert(res(0)(0) endsWith "c")
}
@Test def twoliner() = {
val sut = Tabby(width = 40)
val items = List("a" * 15, "b" * 15, "c" * 15)
val res = sut tabulate items
assert(res.size == 2)
assert(res(0).size == 2)
assert(res(1).size == 2) // trailing empty strings
assert(res(1)(0) startsWith "b")
}
@Test def twolinerx() = {
val sut = Tabby(width = 40, isAcross = true)
val items = List("a" * 15, "b" * 15, "c" * 15)
val res = sut tabulate items
assert(res.size == 2)
assert(res(0).size == 2)
assert(res(1).size == 1) // no trailing empty strings
assert(res(1)(0) startsWith "c")
}
// before, two 9-width cols don't fit in 20
// but now, 5-col and 9-col do fit.
@Test def twolinerVariable() = {
val sut = VTabby(width = 20)
val items = (1 to 9) map (i => i.toString * i)
val rows = sut tabulate items
assert(rows.size == 5)
assert(rows(0).size == 2)
assert(rows(0)(0).size == 8) // width is 55555 plus margin of 3
}
@Test def sys() = {
val sut = VTabby(width = 40)
val items = List("BooleanProp", "PropImpl", "addShutdownHook", "error",
"process", "CreatorImpl", "ShutdownHookThread", "allThreads",
"exit", "props", "Prop", "SystemProperties",
"env", "package", "runtime")
val rows = sut tabulate items
assert(rows.size == 8)
assert(rows(0).size == 2)
assert(rows(0)(0).size == "ShutdownHookThread".length + sut.marginSize) // 21
}
@Test def syswide() = {
val sut = VTabby(width = 120)
val items = List("BooleanProp", "PropImpl", "addShutdownHook", "error",
"process", "CreatorImpl", "ShutdownHookThread", "allThreads",
"exit", "props", "Prop", "SystemProperties",
"env", "package", "runtime")
val rows = sut tabulate items
assert(rows.size == 2)
assert(rows(0).size == 8)
assert(rows(0)(0).size == "BooleanProp".length + sut.marginSize) // 14
}
@Test def resultFits() = {
val sut = VTabby(width = 10)
// each of two lines would fit, but layout is two cols of width six > 10
// therefore, should choose ncols = 1
val items = List("a", "bcd",
"efg", "h")
val rows = sut tabulate items
assert(rows.size == 4)
assert(rows(0).size == 1)
assert(rows(0)(0).size == "efg".length + sut.marginSize) // 6
}
@Test def badFit() = {
val sut = VTabby(isAcross = true)
val items = ('a' until 'z').map(_.toString).toList
val rows = sut tabulate items
assert(rows.size == 2)
assert(rows(0).size == 20) // 20 * 4 = 80
assert(rows(1)(0).dropRight(sut.marginSize) == "u")
}
@Test def badFitter() = {
val sut = VTabby(isAcross = true)
val items = List (
"%", "&", "*", "+", "-", "/", ">", ">=", ">>", ">>>", "^",
"asInstanceOf", "isInstanceOf", "toByte", "toChar", "toDouble", "toFloat",
"toInt", "toLong", "toShort", "toString", "unary_+", "unary_-", "unary_~", "|"
)
val rows = sut tabulate items
assert(rows.size == 4)
assert(rows(3).size == 4) // 7 cols
assert(rows(3)(0).dropRight(sut.marginSize) == "unary_+")
}
}
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