Add tests for suggest_alt_name

There are three cases tested plus a test for nothing can be suggested.
ponylang · Feb 26, 2018 · 8789ab1 · 8789ab1
1 parent 291c5aa
commit 8789ab1
Showing 1 changed file with 68 additions and 0 deletions.
diff --git a/test/libponyc/suggest_alt_name.cc b/test/libponyc/suggest_alt_name.cc
@@ -0,0 +1,68 @@
+#include <gtest/gtest.h>
+#include <platform.h>
+
+#include "util.h"
+
+#define TEST_ERRORS(src, err1) \
+  { const char* errs[] = {err1, NULL}; \
+    DO(test_expected_errors(src, "ir", errs)); }
+
+class SuggestAltNameTest : public PassTest
+{};
+
+TEST_F(SuggestAltNameTest, SuggestAltName_Private)
+{
+  const char* src =
+    "actor Main\n"
+    "  var _aStr: String = \"help\"\n"
+
+    "  new create(env: Env) =>\n"
+    "    _aStr = xx()\n"
+
+    "  fun xx(): String =>\n"
+    "    aStr // Undefined suggest _aStr\n";
+
+  TEST_ERRORS(src,
+    "can't find declaration of 'aStr', did you mean '_aStr'?");
+}
+
+TEST_F(SuggestAltNameTest, SuggestAltName_DifferentCaseVariable)
+{
+  const char* src =
+    "actor Main\n"
+    "  var aStr: String = \"help\"\n"
+
+    "  new create(env: Env) =>\n"
+    "    aStr = xx()\n"
+
+    "  fun xx(): String =>\n"
+    "    astr // Undefined, suggest aStr\n";
+
+  TEST_ERRORS(src,
+    "can't find declaration of 'astr', did you mean 'aStr'?");
+}
+
+TEST_F(SuggestAltNameTest, SuggestAltName_DifferentCaseMethod)
+{
+  const char* src =
+    "actor Main\n"
+    "  new create(env: Env) =>\n"
+    "    doit() // Undefined, suggest doIt\n"
+
+    "  fun doIt() =>\n"
+    "    None\n";
+
+  TEST_ERRORS(src,
+    "can't find declaration of 'doit', did you mean 'doIt'?");
+}
+
+TEST_F(SuggestAltNameTest, SuggestAltName_NothingToSuggest)
+{
+  const char* src =
+    "actor Main\n"
+    "  new create(env: Env) =>\n"
+    "    doIt() // Undefined, nothing to suggest\n";
+
+  TEST_ERRORS(src,
+    "can't find declaration of 'doIt'");
+}