Initial commit

spec/rules_spec.cpp

@@ -0,0 +1,53 @@
+#include "rule.h"
+#include "transition_map.h"
+#include <igloo/igloo_alt.h>
+
+using namespace std;
+using namespace igloo;
+using namespace tree_sitter::rules;
+
+Describe(Rules) {
+    Describe(transitions) {
+        Symbol symbol1 = Symbol(1);
+        Symbol symbol2 = Symbol(2);
+        Symbol symbol3 = Symbol(3);
+        
+        It(handles_symbols) {
+            AssertThat(
+                symbol1.transitions(),
+                EqualsContainer(TransitionMap<Rule>(
+                    { symbol1.copy() },
+                    { new Blank() }
+                ), TransitionMap<Rule>::elements_equal));
+        }
+
+        It(handles_choices) {
+            AssertThat(
+                Choice(symbol1, symbol2).transitions(),
+                EqualsContainer(TransitionMap<Rule>(
+                    { symbol1.copy(), symbol2.copy() },
+                    { new Blank(), new Blank() }
+                ), TransitionMap<Rule>::elements_equal));
+        }
+
+        It(handles_sequences) {
+            AssertThat(
+                Seq(symbol1, symbol2).transitions(),
+                EqualsContainer(TransitionMap<Rule>(
+                    { symbol1.copy() },
+                    { symbol2.copy() }
+                ), TransitionMap<Rule>::elements_equal));
+        }
+        
+        It(handles_choices_with_common_starting_symbols) {
+            AssertThat(
+                Choice(
+                    Seq(symbol1, symbol2),
+                    Seq(symbol1, symbol3)).transitions(),
+                EqualsContainer(TransitionMap<Rule>(
+                    { symbol1.copy() },
+                    { new Choice(symbol2, symbol3) }
+                ), TransitionMap<Rule>::elements_equal));
+        }
+    };
+};