tests: Include parser_parse_function test

Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com>
Reviewed-by: Johnny Richard <johnny@johnnyrichard.com>

2 files changed, 73 insertions, 2 deletions

diff --git a/test/Makefile b/test/Makefile
index 51ece02..3845b92 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -14,8 +14,11 @@ all: munit.o $(TESTS)
 clean:
 	$(RM) *.o *_test
 
-string_view_test: munit.o string_view_test.o ../build/string_view.o
+string_view_test: munit.o ../build/string_view.o string_view_test.o
 	$(CC) $? $(CFLAGS) -o $@
 
-lexer_test: munit.o lexer_test.o ../build/lexer.o ../build/string_view.o
+lexer_test: munit.o ../build/string_view.o ../build/lexer.o lexer_test.o
+	$(CC) $? $(CFLAGS) -o $@
+
+parser_test: munit.o ../build/string_view.o ../build/lexer.o ../build/ast.o ../build/parser.o parser_test.o
 	$(CC) $? $(CFLAGS) -o $@
diff --git a/test/parser_test.c b/test/parser_test.c
new file mode 100644
index 0000000..b75f69f
--- /dev/null
+++ b/test/parser_test.c
@@ -0,0 +1,68 @@
+/*
+* Copyright (C) 2023 Carlos Maniero
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#define MUNIT_ENABLE_ASSERT_ALIASES
+#include "munit.h"
+#include "lexer.h"
+#include "parser.h"
+#include "ast.h"
+
+void
+make_lexer_from_static_src(lexer_t *lexer, char *src)
+{
+  lexer->srclen   = 0;
+  lexer->cur      = 0;
+  lexer->row      = 0;
+  lexer->bol      = 0;
+  lexer->src      = src;
+  lexer->srclen   = strlen(src);
+}
+
+static MunitResult
+test_parse_function(const MunitParameter params[],
+                    void *user_data_or_fixture)
+{
+  parser_t parser;
+  lexer_t lexer;
+
+  make_lexer_from_static_src(&lexer, "main(): i32 { return 42; }");
+  parser_init(&parser, &lexer);
+  ast_function_t ast_function = parser_parse_function(&parser);
+
+  char actual[5];
+
+  string_view_to_str(&ast_function.name, actual);
+  assert_string_equal("main", actual);
+  assert_int(42, ==, ast_function.body.number);
+
+  return MUNIT_OK;
+}
+
+static MunitTest tests[] = {
+  { "/test_parse_function", test_parse_function, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
+  { NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
+};
+
+static const MunitSuite suite = {
+  "/lexer_test", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE
+};
+
+int
+main(int argc, char *argv[])
+{
+  return munit_suite_main(&suite, NULL, argc, argv);
+  return EXIT_SUCCESS;
+}