package org.the_jk.cleversync

import com.google.common.truth.Truth.assertThat
import org.junit.Test

class StringUtilsTest {
    @Test
    fun splitEmpty() {
        assertThat(StringUtils.split("", '.', keepEmpty = true)).containsExactly("")
        assertThat(StringUtils.split("", '.', keepEmpty = false)).isEmpty()
    }

    @Test
    fun splitSanity() {
        assertThat(StringUtils.split("a.bb.a", '.')).containsExactly("a", "bb", "a").inOrder()
        assertThat(StringUtils.split(".a.bb.a", '.', keepEmpty = true)).containsExactly("", "a", "bb", "a").inOrder()
        assertThat(StringUtils.split(".a.bb.a", '.', keepEmpty = false)).containsExactly("a", "bb", "a").inOrder()
        assertThat(StringUtils.split(".a.bb.a.", '.', keepEmpty = true))
            .containsExactly("", "a", "bb", "a", "").inOrder()
        assertThat(StringUtils.split(".a.bb.a.", '.', keepEmpty = false)).containsExactly("a", "bb", "a").inOrder()
    }

    @Test
    fun splitDouble() {
        assertThat(StringUtils.split("foo..bar", '.', keepEmpty = true)).containsExactly("foo", "", "bar").inOrder()
        assertThat(StringUtils.split("foo..bar", '.', keepEmpty = false)).containsExactly("foo", "bar").inOrder()
    }

    @Test
    fun splitLimit() {
        assertThat(StringUtils.split("a.bb.a", '.', limit = 1)).containsExactly("a.bb.a")
        assertThat(StringUtils.split("a.bb.a", '.', limit = 2)).containsExactly("a", "bb.a").inOrder()
        assertThat(StringUtils.split("a.bb.a", '.', limit = 3)).containsExactly("a", "bb", "a").inOrder()
        assertThat(StringUtils.split("a.bb.a.", '.', limit = 3, keepEmpty = true))
            .containsExactly("a", "bb", "a.").inOrder()
        assertThat(StringUtils.split("a.bb.a.", '.', limit = 3, keepEmpty = false))
            .containsExactly("a", "bb", "a").inOrder()
        assertThat(StringUtils.split("a.bb.a", '.', limit = 1000)).containsExactly("a", "bb", "a").inOrder()
    }
}