From 74121b26c05dd01e0dc51edf40cd0db77435f78b Mon Sep 17 00:00:00 2001
From: Abduqodiri Qurbonzoda <abduqodiri.qurbonzoda@jetbrains.com>
Date: Thu, 31 Mar 2022 01:55:08 +0300
Subject: [PATCH] Test octal literal in regex

---
 .../backend.native/tests/stdlib_external/utils.kt        | 2 ++
 libraries/stdlib/common/test/testUtils.kt                | 2 ++
 libraries/stdlib/js/test/core/testUtils.kt               | 2 ++
 libraries/stdlib/jvm/test/testUtilsJVM.kt                | 2 ++
 libraries/stdlib/test/text/RegexTest.kt                  | 9 +++++++++
 libraries/stdlib/wasm/test/testUtils.kt                  | 2 ++
 6 files changed, 19 insertions(+)

diff --git a/kotlin-native/backend.native/tests/stdlib_external/utils.kt b/kotlin-native/backend.native/tests/stdlib_external/utils.kt
index 2e8ba0ab2c1..cebad086d7e 100644
--- a/kotlin-native/backend.native/tests/stdlib_external/utils.kt
+++ b/kotlin-native/backend.native/tests/stdlib_external/utils.kt
@@ -32,6 +32,8 @@ public actual val supportsSuppressedExceptions: Boolean get() = true
 
 public actual val supportsNamedCapturingGroup: Boolean get() = true
 
+public actual val supportsOctalLiteralInRegex: Boolean get() = true
+
 public actual val regexSplitUnicodeCodePointHandling: Boolean get() = true
 
 public actual object BackReferenceHandling {
diff --git a/libraries/stdlib/common/test/testUtils.kt b/libraries/stdlib/common/test/testUtils.kt
index a5e01f4422f..7acc2608c26 100644
--- a/libraries/stdlib/common/test/testUtils.kt
+++ b/libraries/stdlib/common/test/testUtils.kt
@@ -20,6 +20,8 @@ public expect val supportsSuppressedExceptions: Boolean
 
 public expect val supportsNamedCapturingGroup: Boolean
 
+public expect val supportsOctalLiteralInRegex: Boolean
+
 public expect val regexSplitUnicodeCodePointHandling: Boolean
 
 public enum class HandlingOption {
diff --git a/libraries/stdlib/js/test/core/testUtils.kt b/libraries/stdlib/js/test/core/testUtils.kt
index 0cd6dcae8c5..0791b9aa6ae 100644
--- a/libraries/stdlib/js/test/core/testUtils.kt
+++ b/libraries/stdlib/js/test/core/testUtils.kt
@@ -29,6 +29,8 @@ actual val supportsSuppressedExceptions: Boolean get() = true
 
 public actual val supportsNamedCapturingGroup: Boolean get() = true
 
+public actual val supportsOctalLiteralInRegex: Boolean get() = false
+
 public actual val regexSplitUnicodeCodePointHandling: Boolean get() = true
 
 public actual object BackReferenceHandling {
diff --git a/libraries/stdlib/jvm/test/testUtilsJVM.kt b/libraries/stdlib/jvm/test/testUtilsJVM.kt
index 6823759b78e..4e6a6fbf77c 100644
--- a/libraries/stdlib/jvm/test/testUtilsJVM.kt
+++ b/libraries/stdlib/jvm/test/testUtilsJVM.kt
@@ -43,6 +43,8 @@ public actual val supportsSuppressedExceptions: Boolean get() = !isJava6
 
 public actual val supportsNamedCapturingGroup: Boolean get() = !isJava6
 
+public actual val supportsOctalLiteralInRegex: Boolean get() = true
+
 public actual val regexSplitUnicodeCodePointHandling: Boolean get() = false
 
 public actual object BackReferenceHandling {
diff --git a/libraries/stdlib/test/text/RegexTest.kt b/libraries/stdlib/test/text/RegexTest.kt
index 30015647d0c..d2ca64dc57c 100644
--- a/libraries/stdlib/test/text/RegexTest.kt
+++ b/libraries/stdlib/test/text/RegexTest.kt
@@ -9,6 +9,7 @@ package test.text
 
 import test.regexSplitUnicodeCodePointHandling
 import test.supportsNamedCapturingGroup
+import test.supportsOctalLiteralInRegex
 import test.BackReferenceHandling
 import test.HandlingOption
 import kotlin.test.*
@@ -242,6 +243,14 @@ class RegexTest {
         testInvalidBackReference(BackReferenceHandling.notYetDefinedGroup, pattern = "a\\1(a)")
     }
 
+    @Test fun matchCharWithOctalValue() {
+        if (supportsOctalLiteralInRegex) {
+            assertEquals("aa", "a\\0141".toRegex().find("aaaa")?.value)
+        } else {
+            assertFails { "a\\0141".toRegex() }
+        }
+    }
+
     @Test fun matchNamedGroupsWithBackReference() {
         if (!supportsNamedCapturingGroup) return
 
diff --git a/libraries/stdlib/wasm/test/testUtils.kt b/libraries/stdlib/wasm/test/testUtils.kt
index 1b1ca543915..7d02483e5de 100644
--- a/libraries/stdlib/wasm/test/testUtils.kt
+++ b/libraries/stdlib/wasm/test/testUtils.kt
@@ -30,6 +30,8 @@ actual val supportsSuppressedExceptions: Boolean get() = true
 
 public actual val supportsNamedCapturingGroup: Boolean get() = true
 
+public actual val supportsOctalLiteralInRegex: Boolean get() = true
+
 public actual val regexSplitUnicodeCodePointHandling: Boolean get() = true
 
 public actual object BackReferenceHandling {