From 10639eaf6ae2a4a22c688b365f66973ccfb9a9d7 Mon Sep 17 00:00:00 2001
From: Ilya Gorbunov <ilya.gorbunov@jetbrains.com>
Date: Fri, 22 Dec 2017 21:19:51 +0300
Subject: [PATCH] Add pattern and options properties to common Regex

And add a test that accesses them and checks they work as expected.
---
 libraries/stdlib/common/src/kotlin/TextH.kt |  3 +++
 libraries/stdlib/test/text/RegexTest.kt     | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/libraries/stdlib/common/src/kotlin/TextH.kt b/libraries/stdlib/common/src/kotlin/TextH.kt
index 928dad577f9..2819cf3afd2 100644
--- a/libraries/stdlib/common/src/kotlin/TextH.kt
+++ b/libraries/stdlib/common/src/kotlin/TextH.kt
@@ -43,6 +43,9 @@ expect class Regex {
     constructor(pattern: String, option: RegexOption)
     constructor(pattern: String, options: Set<RegexOption>)
 
+    val pattern: String
+    val options: Set<RegexOption>
+
     fun matchEntire(input: CharSequence): MatchResult?
     infix fun matches(input: CharSequence): Boolean
     fun containsMatchIn(input: CharSequence): Boolean
diff --git a/libraries/stdlib/test/text/RegexTest.kt b/libraries/stdlib/test/text/RegexTest.kt
index 449f0d46394..522dcdd1433 100644
--- a/libraries/stdlib/test/text/RegexTest.kt
+++ b/libraries/stdlib/test/text/RegexTest.kt
@@ -7,6 +7,17 @@ import kotlin.test.*
 
 class RegexTest {
 
+    @Test fun properties() {
+        val pattern = "\\s+$"
+        val regex1 = Regex(pattern, RegexOption.IGNORE_CASE)
+        assertEquals(pattern, regex1.pattern)
+        assertEquals(setOf(RegexOption.IGNORE_CASE), regex1.options)
+
+        val options2 = setOf(RegexOption.MULTILINE, RegexOption.IGNORE_CASE)
+        val regex2 = Regex(pattern, options2)
+        assertEquals(options2, regex2.options)
+    }
+
     @Test fun matchResult() {
         val p = "\\d+".toRegex()
         val input = "123 456 789"