1 files changed, 24 insertions, 0 deletions
diff --git a/dokka-runners/dokkatoo/modules/dokkatoo-plugin/src/testFixtures/kotlin/text.kt b/dokka-runners/dokkatoo/modules/dokkatoo-plugin/src/testFixtures/kotlin/text.kt
new file mode 100644
index 00000000..ce0ebd9d
--- /dev/null
+++ b/dokka-runners/dokkatoo/modules/dokkatoo-plugin/src/testFixtures/kotlin/text.kt
@@ -0,0 +1,24 @@
+package org.jetbrains.dokka.dokkatoo.utils
+
+/** Replace all newlines with `\n`, so the String can be used in assertions cross-platform */
+fun String.invariantNewlines(): String =
+  lines().joinToString("\n")
+
+fun Pair<String, String>.sideBySide(
+  buffer: String = "   ",
+): String {
+  val (left, right) = this
+
+  val leftLines = left.lines()
+  val rightLines = right.lines()
+
+  val maxLeftWidth = leftLines.maxOf { it.length }
+
+  return (0..maxOf(leftLines.size, rightLines.size)).joinToString("\n") { i ->
+
+    val leftLine = (leftLines.getOrNull(i) ?: "").padEnd(maxLeftWidth, ' ')
+    val rightLine = rightLines.getOrNull(i) ?: ""
+
+    leftLine + buffer + rightLine
+  }
+}