Refactoring: move function trimIndent

compiler/tests/org/jetbrains/jet/jetTestUtils.kt

@@ -35,3 +35,31 @@ public fun CodeInsightTestFixture.configureWithExtraFile(path: String, extraName
         configureByFile(path)
     }
 }
+
+public fun String.trimIndent(): String {
+    val lines = split('\n')
+
+    val firstNonEmpty = lines.firstOrNull { !it.trim().isEmpty() }
+    if (firstNonEmpty == null) {
+        return this
+    }
+
+    val trimmedPrefix = firstNonEmpty.takeWhile { ch -> ch.isWhitespace() }
+    if (trimmedPrefix.isEmpty()) {
+        return this
+    }
+
+    return lines.map { line ->
+        if (line.trim().isEmpty()) {
+            ""
+        }
+        else {
+            if (!line.startsWith(trimmedPrefix)) {
+                throw IllegalArgumentException(
+                        """Invalid line "$line", ${trimmedPrefix.size} whitespace character are expected""")
+            }
+
+            line.substring(trimmedPrefix.length)
+        }
+    }.joinToString(separator = "\n")
+}

j2k/tests/test/org/jetbrains/jet/j2k/test/AbstractJavaToKotlinConverterTest.kt

@@ -33,6 +33,7 @@ import org.jetbrains.jet.JetTestUtils
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.command.WriteCommandAction
 import com.intellij.openapi.application.ApplicationManager
+import org.jetbrains.jet.test.util.trimIndent
 import org.jetbrains.jet.j2k.FilesConversionScope
 
 abstract class AbstractJavaToKotlinConverterTest() : LightIdeaTestCase() {
@@ -162,32 +163,4 @@ abstract class AbstractJavaToKotlinConverterTest() : LightIdeaTestCase() {
         val lastNewLine = lastIndexOf('\n')
         return if (lastNewLine == -1) "" else substring(0, lastNewLine)
     }
-
-    private fun String.trimIndent(): String {
-        val lines = split('\n')
-
-        val firstNonEmpty = lines.firstOrNull { !it.trim().isEmpty() }
-        if (firstNonEmpty == null) {
-            return this
-        }
-
-        val trimmedPrefix = firstNonEmpty.takeWhile { ch -> ch.isWhitespace() }
-        if (trimmedPrefix.isEmpty()) {
-            return this
-        }
-
-        return lines.map { line ->
-            if (line.trim().isEmpty()) {
-                ""
-            }
-            else {
-                if (!line.startsWith(trimmedPrefix)) {
-                    throw IllegalArgumentException(
-                            """Invalid line "$line", ${trimmedPrefix.size} whitespace character are expected""")
-                }
-
-                line.substring(trimmedPrefix.length)
-            }
-        }.makeString(separator = "\n")
-    }
 }