Rename bracket-push exercise to matching-brackets.

Refs exercism#607

config.json

@@ -665,7 +665,7 @@
       ]
     },
     {
-      "slug": "bracket-push",
+      "slug": "matching-brackets",
       "uuid": "9d25bf46-52d6-435e-a384-38c25517f8ee",
       "core": false,
       "unlocked_by": "hello-world",

exercises/bracket-push/README.md → exercises/matching-brackets/README.md

@@ -1,7 +1,8 @@
-# Bracket Push
+# Matching Brackets 
 
-Given a string containing brackets `[]`, braces `{}` and parentheses `()`,
-verify that all the pairs are matched and nested correctly.
+Given a string containing brackets `[]`, braces `{}`, parentheses `()`,
+or any combination thereof, verify that any and all pairs are matched
+and nested correctly.
 
 The Scala exercises assume an SBT project scheme. The exercise solution source
 should be placed within the exercise directory/src/main/scala. The exercise

exercises/bracket-push/example.scala → exercises/matching-brackets/example.scala

@@ -1,6 +1,6 @@
 import scala.util.parsing.combinator.RegexParsers
 
-object BracketPush extends RegexParsers {
+object MatchingBrackets extends RegexParsers {
   lazy val t = "[^\\[\\]\\(\\)\\{\\}]+".r
 
   private def paren: Parser[String] =

exercises/matching-brackets/project/build.properties

@@ -0,0 +1 @@
+sbt.version=0.13.15

exercises/matching-brackets/src/test/scala/MatchingBracketsTest.scala

@@ -0,0 +1,81 @@
+import org.scalatest.{Matchers, FunSuite}
+
+/** @version 1.3.0 */
+class MatchingBracketsTest extends FunSuite with Matchers {
+
+  test("paired square brackets") {
+    MatchingBrackets.isPaired("[]") should be(true)
+  }
+
+  test("empty string") {
+    //pending
+    MatchingBrackets.isPaired("") should be(true)
+  }
+
+  test("unpaired brackets") {
+    //pending
+    MatchingBrackets.isPaired("[[") should be(false)
+  }
+
+  test("wrong ordered brackets") {
+    //pending
+    MatchingBrackets.isPaired("}{") should be(false)
+  }
+
+  test("wrong closing bracket") {
+    //pending
+    MatchingBrackets.isPaired("{]") should be(false)
+  }
+
+  test("paired with whitespace") {
+    //pending
+    MatchingBrackets.isPaired("{ }") should be(true)
+  }
+
+  test("partially paired brackets") {
+    //pending
+    MatchingBrackets.isPaired("{[])") should be(false)
+  }
+
+  test("simple nested brackets") {
+    //pending
+    MatchingBrackets.isPaired("{[]}") should be(true)
+  }
+
+  test("several paired brackets") {
+    //pending
+    MatchingBrackets.isPaired("{}[]") should be(true)
+  }
+
+  test("paired and nested brackets") {
+    //pending
+    MatchingBrackets.isPaired("([{}({}[])])") should be(true)
+  }
+
+  test("unopened closing brackets") {
+    //pending
+    MatchingBrackets.isPaired("{[)][]}") should be(false)
+  }
+
+  test("unpaired and nested brackets") {
+    //pending
+    MatchingBrackets.isPaired("([{])") should be(false)
+  }
+
+  test("paired and wrong nested brackets") {
+    //pending
+    MatchingBrackets.isPaired("[({]})") should be(false)
+  }
+
+  test("math expression") {
+    //pending
+    MatchingBrackets.isPaired("(((185 + 223.85) * 15) - 543)/2") should be(true)
+  }
+
+  test("complex latex expression") {
+    //pending
+    MatchingBrackets.isPaired(
+      """\left(\begin{array}{cc} \frac{1}{3} & x\ \mathrm{e}^{x} &... x^2 \end{array}\right)""") should be(
+      true)
+  }
+}

testgen/src/main/scala/BracketPushTestGenerator.scala → testgen/src/main/scala/MatchingBracketsTestGenerator.scala

@@ -3,9 +3,9 @@ import java.io.File
 import testgen.TestSuiteBuilder._
 import testgen._
 
-object BracketPushTestGenerator {
+object MatchingBracketsTestGenerator {
   def main(args: Array[String]): Unit = {
-    val file = new File("src/main/resources/bracket-push.json")
+    val file = new File("src/main/resources/matching-brackets.json")
 
     val code = TestSuiteBuilder.build(file, fromLabeledTestFromInput("value"))
     println(s"-------------")