Rename bracket-push exercise (#284)

* Rename bracket-push exercise

* Filtering out deleted exercises from the PR diff filter.

bin/check-exercises.sh

@@ -21,7 +21,7 @@ elif git diff --name-only master | grep "^CMakeLists.txt"; then
     cmake --build "$repo" -- test_hello-world
     cmake --build "$repo"
 else
-    tests="$(git diff --name-only master | grep "^exercises/" | cut -d '/' -f2 | sed 's/.*/test_&/' | uniq | tr '\n' ' ')"
+    tests="$(git diff --diff-filter=d --name-only master | grep "^exercises/" | cut -d '/' -f2 | sed 's/.*/test_&/' | uniq | tr '\n' ' ')"
     if [ ${#tests} -ne 0 ]; then
         echo "Running only tests that have changed."
         cmake --build "$repo" -- $tests

config.json

@@ -475,7 +475,7 @@
       ]
     },
     {
-      "slug": "bracket-push",
+      "slug": "matching-brackets",
       "uuid": "4a517292-3472-40f2-b4b8-5c8c25219ea5",
       "core": false,
       "unlocked_by": "pangram",

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

@@ -1,4 +1,4 @@
-# Bracket Push
+# Matching Brackets
 
 Given a string containing brackets `[]`, braces `{}`, parentheses `()`,
 or any combination thereof, verify that any and all pairs are matched

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

@@ -1,9 +1,9 @@
-#include "bracket_push.h"
+#include "matching_brackets.h"
 #include <stack>
 
 using namespace std;
 
-namespace bracket_push {
+namespace matching_brackets {
 
 bool check(string const& expression)
 {

exercises/matching-brackets/example.h

@@ -0,0 +1,13 @@
+#if !defined(MATCHING_BRACKETS_H)
+#define MATCHING_BRACKETS_H 
+
+#include <string>
+
+namespace matching_brackets
+{
+
+bool check(std::string const& expression);
+
+}
+
+#endif

exercises/matching-brackets/matching_brackets_test.cpp

@@ -0,0 +1,74 @@
+#include "matching_brackets.h"
+#include "test/catch.hpp"
+
+TEST_CASE("paired_square_brackets")
+{
+    REQUIRE(matching_brackets::check("[]"));
+}
+
+#if defined(EXERCISM_RUN_ALL_TESTS)
+TEST_CASE("empty_string")
+{
+    REQUIRE(matching_brackets::check(""));
+}
+
+TEST_CASE("unpaired_brackets")
+{
+    REQUIRE(!matching_brackets::check("[["));
+}
+
+TEST_CASE("wrong_ordered_brackets")
+{
+    REQUIRE(!matching_brackets::check("}{"));
+}
+
+TEST_CASE("wrong_closing_bracket")
+{
+    REQUIRE(!matching_brackets::check("{]"));
+}
+
+TEST_CASE("paired_with_whitespace")
+{
+    REQUIRE(matching_brackets::check("{ }"));
+}
+
+TEST_CASE("simple_nested_brackets")
+{
+    REQUIRE(matching_brackets::check("{[]}"));
+}
+
+TEST_CASE("several_paired_brackets")
+{
+    REQUIRE(matching_brackets::check("{}[]"));
+}
+
+TEST_CASE("paired_nested_brackets")
+{
+    REQUIRE(matching_brackets::check("([{}({}[])])"));
+}
+
+TEST_CASE("unopened_closing_brackets")
+{
+    REQUIRE(!matching_brackets::check("{[)][]}"));
+}
+
+TEST_CASE("unpaired_nested_brackets")
+{
+    REQUIRE(!matching_brackets::check("([{])"));
+}
+
+TEST_CASE("paired_wrong_nested_brackets")
+{
+    REQUIRE(!matching_brackets::check("[({]})"));
+}
+
+TEST_CASE("math_expression")
+{
+    REQUIRE(matching_brackets::check("(((185 + 223.85) * 15) - 543)/2"));
+}
+
+TEST_CASE("complex_latex_expression")
+{
+    REQUIRE(matching_brackets::check("\\left(\\begin{array}{cc} \\frac{1}{3} & x\\\\ \\mathrm{e}^{x} &... x^2 \\end{array}\\right)"));
+}
+#endif