✨ option to switch off exceptions

.travis.yml

@@ -71,6 +71,21 @@ matrix:
     after_success:
       - make cppcheck
 
+  # no exceptions
+
+  - os: linux
+    compiler: gcc
+    env:
+      - COMPILER=g++-4.9
+      - SPECIAL=no_exceptions
+      - TEST_PATTERN="-e \"*\""
+    addons:
+      apt:
+        sources: ['ubuntu-toolchain-r-test']
+        packages: [g++-4.9, cppcheck]
+    before_script:
+      - make FLAGS="-fno-exceptions"
+
   # Coveralls (http://gronlier.fr/blog/2015/01/adding-code-coverage-to-your-c-project/)
 
   - os: linux

test/Makefile

@@ -75,7 +75,7 @@ test-%: src/unit-%.cpp ../src/json.hpp thirdparty/catch/catch.hpp
 	@echo "[CXXLD] $@"
 	@$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) -DCATCH_CONFIG_MAIN $< -o $@
 
-TEST_PATTERN = "*"
+TEST_PATTERN ?= "*"
 TEST_PREFIX = ""
 check: $(TESTCASES)
 	@cd .. ; for testcase in $(TESTCASES); do echo "Executing $$testcase..."; $(TEST_PREFIX)test/$$testcase $(TEST_PATTERN) || exit 1; done

test/src/unit-cbor.cpp

@@ -1187,7 +1187,7 @@ TEST_CASE("single CBOR roundtrip")
     }
 }
 
-TEST_CASE("CBOR regressions")
+TEST_CASE("CBOR regressions", "[!throws]")
 {
     SECTION("fuzz test results")
     {

test/src/unit-element_access2.cpp

@@ -298,25 +298,6 @@ TEST_CASE("element access 2")
                     CHECK(j_const.value("/array"_json_pointer, json({10, 100})) == json({1, 2, 3}));
                 }
 
-                SECTION("access non-existing value")
-                {
-                    CHECK(j.value("/not/existing"_json_pointer, 2) == 2);
-                    CHECK(j.value("/not/existing"_json_pointer, 2u) == 2u);
-                    CHECK(j.value("/not/existing"_json_pointer, false) == false);
-                    CHECK(j.value("/not/existing"_json_pointer, "bar") == "bar");
-                    CHECK(j.value("/not/existing"_json_pointer, 12.34) == Approx(12.34));
-                    CHECK(j.value("/not/existing"_json_pointer, json({{"foo", "bar"}})) == json({{"foo", "bar"}}));
-                    CHECK(j.value("/not/existing"_json_pointer, json({10, 100})) == json({10, 100}));
-
-                    CHECK(j_const.value("/not/existing"_json_pointer, 2) == 2);
-                    CHECK(j_const.value("/not/existing"_json_pointer, 2u) == 2u);
-                    CHECK(j_const.value("/not/existing"_json_pointer, false) == false);
-                    CHECK(j_const.value("/not/existing"_json_pointer, "bar") == "bar");
-                    CHECK(j_const.value("/not/existing"_json_pointer, 12.34) == Approx(12.34));
-                    CHECK(j_const.value("/not/existing"_json_pointer, json({{"foo", "bar"}})) == json({{"foo", "bar"}}));
-                    CHECK(j_const.value("/not/existing"_json_pointer, json({10, 100})) == json({10, 100}));
-                }
-
                 SECTION("access on non-object type")
                 {
                     SECTION("null")
@@ -957,3 +938,37 @@ TEST_CASE("element access 2")
         }
     }
 }
+
+TEST_CASE("element access 2 (throwing tests)", "[!throws]")
+{
+    SECTION("object")
+    {
+        json j = {{"integer", 1}, {"unsigned", 1u}, {"floating", 42.23}, {"null", nullptr}, {"string", "hello world"}, {"boolean", true}, {"object", json::object()}, {"array", {1, 2, 3}}};
+        const json j_const = j;
+
+        SECTION("access specified element with default value")
+        {
+            SECTION("given a JSON pointer")
+            {
+                SECTION("access non-existing value")
+                {
+                    CHECK(j.value("/not/existing"_json_pointer, 2) == 2);
+                    CHECK(j.value("/not/existing"_json_pointer, 2u) == 2u);
+                    CHECK(j.value("/not/existing"_json_pointer, false) == false);
+                    CHECK(j.value("/not/existing"_json_pointer, "bar") == "bar");
+                    CHECK(j.value("/not/existing"_json_pointer, 12.34) == Approx(12.34));
+                    CHECK(j.value("/not/existing"_json_pointer, json({{"foo", "bar"}})) == json({{"foo", "bar"}}));
+                    CHECK(j.value("/not/existing"_json_pointer, json({10, 100})) == json({10, 100}));
+
+                    CHECK(j_const.value("/not/existing"_json_pointer, 2) == 2);
+                    CHECK(j_const.value("/not/existing"_json_pointer, 2u) == 2u);
+                    CHECK(j_const.value("/not/existing"_json_pointer, false) == false);
+                    CHECK(j_const.value("/not/existing"_json_pointer, "bar") == "bar");
+                    CHECK(j_const.value("/not/existing"_json_pointer, 12.34) == Approx(12.34));
+                    CHECK(j_const.value("/not/existing"_json_pointer, json({{"foo", "bar"}})) == json({{"foo", "bar"}}));
+                    CHECK(j_const.value("/not/existing"_json_pointer, json({10, 100})) == json({10, 100}));
+                }
+            }
+        }
+    }
+}