Test errors, stop working on error

5 files changed, 128 insertions, 8 deletions

diff --git a/tests/errors/closure_no_lhs.amal b/tests/errors/closure_no_lhs.amal
new file mode 100644
index 0000000..d903c3c
--- /dev/null
+++ b/tests/errors/closure_no_lhs.amal
@@ -0,0 +1 @@
+fn {}
\ No newline at end of file
diff --git a/tests/errors/duplicate_declaration.amal b/tests/errors/duplicate_declaration.amal
new file mode 100644
index 0000000..a97b507
--- /dev/null
+++ b/tests/errors/duplicate_declaration.amal
@@ -0,0 +1,2 @@
+const main = fn {}
+const main = fn {}
\ No newline at end of file
diff --git a/tests/errors/pub_in_closure.amal b/tests/errors/pub_in_closure.amal
new file mode 100644
index 0000000..881bbd4
--- /dev/null
+++ b/tests/errors/pub_in_closure.amal
@@ -0,0 +1,3 @@
+const main = fn {
+    pub const num = 45;
+}
\ No newline at end of file
diff --git a/tests/main.amal b/tests/main.amal
index f778a14..ae37816 100644
--- a/tests/main.amal
+++ b/tests/main.amal
@@ -10,15 +10,12 @@ const main = fn {
 
     }
     const value = "hello";
-    // fn {} // error, function declaration can't be by itself. Needs left-hand side
     print(value, "world", 356, 13.37);
     var num1: i64;
     const num2 = 23232;
     const num3 = num1 + num2 * 30;
     //const num4 = (num1 + num2) * num3 * ((34 + 32) / 234.345);
     const num4 = (num1 + num2) * num3 * ((34 + 32) / 2);
-    // pub cost num34 = 45; // error, only declarations in global scope can be public
-    //const num4 = 23; // error, variable redeclaration
     /*
     episfjpseifipesf
     */
diff --git a/tests/main.c b/tests/main.c
index 0dfd878..bc2fbb1 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -5,6 +5,7 @@
 #include "../include/std/hash.h"
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #define REQUIRE_EQ_INT(expected, actual) do{\
     if((expected) != (actual)) {\
@@ -41,25 +42,141 @@ static CHECK_RESULT int test_hash_map() {
     return 0;
 }
 
-/* TODO: Restrict variables in global scope to const */
-int main() {
+#define FAIL_TEST(name) do { fprintf(stderr, "Test failed: %s\n", (name)); exit(1); } while(0)
+
+typedef struct {
+    char *filepath;
+    char *expected_error;
+    bool got_expected_error;
+} ErrorExpectedData;
+
+static void error_callback_assert(const char *err_msg, int err_msg_len, void *userdata) {
+    ErrorExpectedData *expected_data;
+    expected_data = userdata;
+    int expected_err_msg_len;
+    expected_err_msg_len = strlen(expected_data->expected_error);
+
+    if(expected_data->got_expected_error) {
+        fprintf(stderr, "We got the error we expected but also got additional error:\n%.*s\n", err_msg_len, err_msg);
+        FAIL_TEST(expected_data->filepath);
+    }
+
+    if(err_msg_len != expected_err_msg_len || strncmp(err_msg, expected_data->expected_error, expected_err_msg_len) != 0) {
+        fprintf(stderr, "Expected error message:\n%.*s\n", expected_err_msg_len, expected_data->expected_error);
+        fprintf(stderr, "Actual error message:\n%.*s\n", err_msg_len, err_msg);
+        fprintf(stderr, "a: %d, b: %d\n", expected_err_msg_len, err_msg_len);
+        FAIL_TEST(expected_data->filepath);
+    }
+
+    expected_data->got_expected_error = bool_true;
+}
+
+static char* get_full_path(const char *filepath) {
+    #define PATH_LEN 4096
+    char *buf;
+    int len;
+    int filepath_len;
+
+    buf = malloc(PATH_LEN);
+    buf[PATH_LEN - 1] = '\0';
+    getcwd(buf, PATH_LEN);
+
+    len = strlen(buf);
+    filepath_len = strlen(filepath);
+
+    buf[len++] = '/';
+    memcpy(buf + len, filepath, filepath_len);
+    buf[len + filepath_len] = '\0';
+    return buf;
+}
+
+static char* join_str(const char *str1, const char *str2, char delimiter) {
+    char *buf;
+    int len1;
+    int len2;
+
+    len1 = strlen(str1);
+    len2 = strlen(str2);
+    buf = malloc(len1 + 1 + len2 + 1);
+
+    memcpy(buf, str1, len1);
+    buf[len1] = delimiter;
+    memcpy(buf + len1 + 1, str2, len2);
+    buf[len1 + 1 + len2] = '\0';
+    return buf;
+}
+
+static void test_load_error(const char *filepath, const char *expected_error) {
     amal_compiler compiler;
-    FileScopeReference *file_scope;
+    amal_compiler_options options;
     int result;
 
+    amal_compiler_options_init(&options);
+    options.error_callback = error_callback_assert;
+    ErrorExpectedData expected_data;
+    expected_data.filepath = get_full_path(filepath);
+    expected_data.expected_error = join_str(expected_data.filepath, expected_error, ':');
+    expected_data.got_expected_error = bool_false;
+    options.error_callback_userdata = &expected_data;
+
+    result = amal_compiler_init(&compiler, &options);
+    if(result != AMAL_COMPILER_OK) {
+        fprintf(stderr, "Failed to initialize compiler, error code: %d\n", result);
+        FAIL_TEST(expected_data.filepath);
+    }
+
+    result = amal_compiler_load_file(&compiler, filepath);
+    if(result == AMAL_COMPILER_OK) {
+        fprintf(stderr, "Expected to fail loading file\n");
+        FAIL_TEST(expected_data.filepath);
+    }
+
+    if(amal_compiler_deinit(&compiler) != 0) {
+        fprintf(stderr, "Failed to deinitialize compiler.\n");
+        FAIL_TEST(expected_data.filepath);
+    }
+
+    if(!expected_data.got_expected_error) {
+        fprintf(stderr, "Didn't get expected error message:\n%s\n", expected_error);
+        FAIL_TEST(expected_data.filepath);
+    }
+    free(expected_data.filepath);
+    free(expected_data.expected_error);
+}
+
+/* TODO: Restrict variables in global scope to const */
+int main() {
+    /*amal_compiler compiler;
+    int result;*/
+
     return_if_error(test_hash_map());
 
-    result = amal_compiler_init(&compiler);
+    /*
+    result = amal_compiler_init(&compiler, NULL);
     if(result != AMAL_COMPILER_OK) {
         fprintf(stderr, "Failed to initialize compiler, error code: %d\n", result);
         return 1;
     }
 
-    result = amal_compiler_load_file(&compiler, "tests/main.amal", &file_scope);
+    result = amal_compiler_load_file(&compiler, "tests/main.amal");
     if(result != AMAL_COMPILER_OK) {
         fprintf(stderr, "Failed to load file, error code: %d\n", result);
         return 1;
     }
 
     return amal_compiler_deinit(&compiler);
+    */
+    test_load_error("tests/errors/duplicate_declaration.amal", 
+        "2:7: error: Variable with the name main was declared twice in the same scope\n"
+        "const main = fn {}\n"
+        "      ^\n");
+    test_load_error("tests/errors/pub_in_closure.amal", 
+        "2:5: error: Only declarations in structs can be public\n"
+        "    pub const num = 45;\n"
+        "    ^\n");
+    test_load_error("tests/errors/closure_no_lhs.amal", 
+        "1:1: error: Expected variable declaration, string, variable or function call\n"
+        "fn {}\n"
+        "^\n");
+    return 0;
 }