kotlin-stdlib/kotlin.text/toBooleanStrict

toBooleanStrict

Returns true if the content of this string is equal to the word "true", false if it is equal to "false", and throws an exception otherwise.

There is also a lenient version of the function available on nullable String, String?.toBoolean. Note that this function is case-sensitive.

Since Kotlin

1.5

Samples

import samples.*
import java.util.Locale
import kotlin.test.*
fun main() { 
   //sampleStart 
   assertPrints("true".toBooleanStrict(), "true")
assertFails { "True".toBooleanStrict() }
assertFails { "TRUE".toBooleanStrict() }

assertPrints("false".toBooleanStrict(), "false")
assertFails { "False".toBooleanStrict() }
assertFails { "FALSE".toBooleanStrict() }

assertFails { "abc".toBooleanStrict() } 
   //sampleEnd
}