regex: Initial regex implementation

regex: All tests are passed.
2017-06-07 15:51:43 +07:00
parent 4f251003ef
commit 1bf9b23108
57 changed files with 11530 additions and 976 deletions
@@ -0,0 +1,53 @@
+import kotlin.text.*
+import kotlin.test.*
+
+fun assertTrue(msg: String, value: Boolean) = assertTrue(value, msg)
+fun assertFalse(msg: String, value: Boolean) = assertFalse(value, msg)
+
+fun codePointToString(codePoint: Int): String {
+    val charArray = Char.toChars(codePoint)
+    return fromCharArray(charArray, 0, charArray.size)
+}
+
+fun box() {}
+
+// TODO: Here is a performance problem: an execution of this test requires much more time than it in Kotlin/JVM.
+fun box1() {
+    // Regression for HARMONY-3145
+    var p = Regex("(\\p{all})+")
+    var res = true
+    var cnt = 0
+    var s: String
+    for (i in 0..1114111) {
+        if (i % 200000 == 0) {
+            println(i)
+        }
+        s = codePointToString(i)
+        // if (!s.matches(p.toString().toRegex())) { TODO: Uncomment when caching is done.
+        if (!s.matches(p)) {
+            cnt++
+            res = false
+        }
+    }
+    assertTrue(res)
+    assertEquals(0, cnt)
+
+    p = Regex("(\\P{all})+")
+    res = true
+    cnt = 0
+
+    for (i in 0..1114111) {
+        if (i % 200000 == 0) {
+            println(i)
+        }
+        s = codePointToString(i)
+        // if (!s.matches(p.toString().toRegex())) { TODO: Uncomment when caching is done.
+        if (!s.matches(p)) {
+            cnt++
+            res = false
+        }
+    }
+
+    assertFalse(res)
+    assertEquals(0x110000, cnt)
+}