From 90862dd18fd16cd3723d64afbd3941068a697b22 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Tue, 22 Sep 2015 21:19:19 -0700
Subject: [PATCH] Add some edit sequences to corpus tests

---
 spec/runtime/helpers/log_debugger.cc | 10 ++++++----
 spec/runtime/helpers/log_debugger.h  |  2 +-
 spec/runtime/language_specs.cc       | 24 ++++++++++++++++++++----
 3 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/spec/runtime/helpers/log_debugger.cc b/spec/runtime/helpers/log_debugger.cc
index 0e6e62ed..a65ab333 100644
--- a/spec/runtime/helpers/log_debugger.cc
+++ b/spec/runtime/helpers/log_debugger.cc
@@ -1,20 +1,22 @@
 #include "tree_sitter/runtime.h"
 #include <stdio.h>
 
-static void log_debug(void *data, TSDebugType type, const char *msg) {
+static void log_debug(void *payload, TSDebugType type, const char *msg) {
+  bool include_lexing = (bool)payload;
   switch (type) {
     case TSDebugTypeParse:
       fprintf(stderr, "* %s\n", msg);
       break;
     case TSDebugTypeLex:
-      fprintf(stderr, "  %s\n", msg);
+      if (include_lexing)
+        fprintf(stderr, "  %s\n", msg);
       break;
   }
 }
 
-TSDebugger log_debugger_make() {
+TSDebugger log_debugger_make(bool include_lexing) {
   TSDebugger result;
-  result.payload = NULL;
+  result.payload = (void *)include_lexing;
   result.debug_fn = log_debug;
   return result;
 }
diff --git a/spec/runtime/helpers/log_debugger.h b/spec/runtime/helpers/log_debugger.h
index 09aa1b2f..0b0e0720 100644
--- a/spec/runtime/helpers/log_debugger.h
+++ b/spec/runtime/helpers/log_debugger.h
@@ -3,6 +3,6 @@
 
 #include "tree_sitter/runtime.h"
 
-TSDebugger log_debugger_make();
+TSDebugger log_debugger_make(bool include_lexing);
 
 #endif  // HELPERS_LOG_DEBUGGER_H_
diff --git a/spec/runtime/language_specs.cc b/spec/runtime/language_specs.cc
index 30a6f4d4..0aae5a94 100644
--- a/spec/runtime/language_specs.cc
+++ b/spec/runtime/language_specs.cc
@@ -35,7 +35,7 @@ describe("Languages", [&]() {
     describe(("The " + pair.first + " parser").c_str(), [&]() {
       before_each([&]() {
         ts_document_set_language(doc, pair.second);
-        // ts_document_set_debugger(doc, log_debugger_make());
+        // ts_document_set_debugger(doc, log_debugger_make(true));
       });
 
       for (auto &entry : test_entries_for_language(pair.first)) {
@@ -48,7 +48,7 @@ describe("Languages", [&]() {
         };
 
         auto it_handles_edit_sequence = [&](string name, std::function<void()> edit_sequence){
-          it(("handles " + entry.description + ": " + name).c_str(), [&]() {
+          it(("parses " + entry.description + ": " + name).c_str(), [&]() {
             input = new SpyInput(entry.input, 3);
             ts_document_set_input(doc, input->input());
             edit_sequence();
@@ -61,7 +61,15 @@ describe("Languages", [&]() {
           ts_document_parse(doc);
         });
 
-        it_handles_edit_sequence("one insertion, undo", [&]() {
+        it_handles_edit_sequence("repairing an inserted error", [&]() {
+          ts_document_edit(doc, input->replace(entry.input.size() / 2, 0, "%^&*"));
+          ts_document_parse(doc);
+
+          ts_document_edit(doc, input->undo());
+          ts_document_parse(doc);
+        });
+
+        it_handles_edit_sequence("creating and repairing an inserted error", [&]() {
           ts_document_parse(doc);
 
           ts_document_edit(doc, input->replace(entry.input.size() / 2, 0, "%^&*"));
@@ -71,7 +79,7 @@ describe("Languages", [&]() {
           ts_document_parse(doc);
         });
 
-        it_handles_edit_sequence("one deletion, undo", [&]() {
+        it_handles_edit_sequence("repairing an errant deletion", [&]() {
           ts_document_parse(doc);
 
           ts_document_edit(doc, input->replace(entry.input.size() / 2, 5, ""));
@@ -80,6 +88,14 @@ describe("Languages", [&]() {
           ts_document_edit(doc, input->undo());
           ts_document_parse(doc);
         });
+
+        it_handles_edit_sequence("creating and repairing an errant deletion", [&]() {
+          ts_document_edit(doc, input->replace(entry.input.size() / 2, 5, ""));
+          ts_document_parse(doc);
+
+          ts_document_edit(doc, input->undo());
+          ts_document_parse(doc);
+        });
       }
     });
   }