skopy/tests/parser.h

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#ifndef SK_TEST_PARSER_H
#define SK_TEST_PARSER_H
#include <CUnit/CUnit.h>
#include "node.h"
#include <parser.h>
static void test_parser(char const* oracle, char const* source)
{
struct parser parser;
parser_init(&parser, source);
struct node* node = parser_try_parse(&parser);
CU_ASSERT_FATAL(node != NULL);
struct str str;
str_init(&str);
node_str(node, &str);
if (strcmp(oracle, str.value) != 0)
{
fprintf(stderr, "\n%s <> %s\n", oracle, str.value);
}
CU_ASSERT_STRING_EQUAL_FATAL(oracle, str.value);
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str_free(&str);
node_free(node);
free(node);
parser_free(&parser);
}
static void test_parser_int()
{
test_parser("ROOT(INT[32])", " 32 ");
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test_parser("ROOT(INT[32],INT[2],INT[24])", " 32 2 24");
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test_parser("ROOT(ADD(INT[1],MUL(INT[2],INT[3])))",
" 1 + 2 * 3 ");
test_parser("ROOT(DIV(SUB(INT[1],INT[2]),INT[3]))",
" (1 - 2) / 3 ");
test_parser("ROOT(USUB(INT[32]))", " -(32) ");
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}
static void test_parser_assert()
{
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test_parser("ROOT(ASSERT_EQ(INT[32],INT[12]))",
" assert 32 eq 12 ");
}
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static void test_parser_bool()
{
test_parser("ROOT(BOOL[true])",
"true");
test_parser("ROOT(NOT(BOOL[false]))",
"not false");
test_parser("ROOT(OR(AND(NOT(BOOL[false]),BOOL[true]),"
"BOOL[false]))",
"not false and true or false");
test_parser("ROOT(AND(NOT(BOOL[false]),OR(BOOL[true],"
"BOOL[false])))",
"not false and (true or false)");
}
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static void test_parser_string()
{
test_parser("ROOT(STRING[ok pizza NOW])",
"\"ok pizza NOW\"");
}
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static void test_parser_cmp()
{
test_parser("ROOT(LT(INT[5],INT[3]))",
"5<3");
test_parser("ROOT(LE(INT[5],INT[3]))",
"5<=3");
test_parser("ROOT(GT(INT[5],INT[3]))",
"5>3");
test_parser("ROOT(GE(INT[5],INT[3]))",
"5>=3");
test_parser("ROOT(EQUAL(INT[5],INT[3]))",
"5==3");
test_parser("ROOT(NOT_EQUAL(INT[5],INT[3]))",
"5<>3");
}
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static void test_parser_decl()
{
test_parser("ROOT(IDENT[bim!])",
"bim!");
test_parser("ROOT(VAR_DECL(IDENT[x],INT[37]))",
"var x = 37");
test_parser("ROOT(CONST_DECL(IDENT[x],MUL(FLOAT[2.2],INT[3])))",
"const x = 2.2 * 3");
}
static void test_parser_assign()
{
test_parser("ROOT(ASSIGN(IDENT[hello],BOOL[false]))",
"hello = false");
}
static void test_parser_block()
{
test_parser("ROOT(BLOCK)",
"begin end");
test_parser("ROOT(BLOCK(INT[1],INT[2]))",
"begin 1 2 end");
}
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static void test_parser_if()
{
test_parser("ROOT(IF(BOOL[true],BLOCK(INT[0])))",
"if true 0 end");
test_parser("ROOT(IF(BOOL[true],BLOCK(INT[0]),BLOCK(INT[1])))",
"if true 0 else 1 end");
test_parser("ROOT(IF(BOOL[true],BLOCK(INT[0]),"
"IF(BOOL[false],BLOCK(INT[1]),BLOCK(INT[2]))))",
"if true 0 else if false 1 else 2 end");
}
static void test_parser_function()
{
test_parser("ROOT(FUN(PARAMS(IDENT[x],IDENT[y]),"
"BLOCK(INT[0],INT[1])))",
"fun (x, y) 0 1 end");
test_parser("ROOT(FUN(PARAMS,"
"BLOCK(INT[0],INT[1])))",
"fun () 0 1 end");
test_parser("ROOT(FUN(PARAMS,BLOCK))",
"fun () end");
test_parser("ROOT(CONST_DECL(IDENT[hello]"
",FUN(PARAMS(IDENT[x],IDENT[y]),"
"BLOCK(INT[0],INT[1]))))",
"fun hello (x, y) 0 1 end");
test_parser("ROOT(CALL(IDENT[hello],ARGS))",
"hello()");
test_parser("ROOT(CALL(IDENT[hello],ARGS(IDENT[x],INT[2])))",
"hello(x, 2)");
}
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static void test_parser_module()
{
test_parser("ROOT(MODULE(INT[4],STRING[5],BOOL[true]))",
"module 4 \"5\" true end");
test_parser("ROOT(ASSIGN(MOD_ACCESS(IDENT[x],IDENT[hello])"
",INT[3]))",
"x::hello = 3");
test_parser("ROOT(CALL(MOD_ACCESS(IDENT[x],IDENT[hello]),ARGS))",
"x::hello()");
}
static void test_parser_import()
{
test_parser("ROOT(IMPORT(STRING[./hello]))",
"import \"./hello\"");
}
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void register_parser()
{
CU_pSuite suite = CU_add_suite("Parser", 0, 0);
CU_add_test(suite, "Integers", test_parser_int);
CU_add_test(suite, "Assertions", test_parser_assert);
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CU_add_test(suite, "Booleans", test_parser_bool);
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CU_add_test(suite, "Strings", test_parser_string);
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CU_add_test(suite, "Comparisons", test_parser_cmp);
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CU_add_test(suite, "Declarations", test_parser_decl);
CU_add_test(suite, "Assignments", test_parser_assign);
CU_add_test(suite, "Blocks", test_parser_block);
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CU_add_test(suite, "IfExpression", test_parser_if);
CU_add_test(suite, "Functions", test_parser_function);
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CU_add_test(suite, "Modules", test_parser_module);
CU_add_test(suite, "Imports", test_parser_import);
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}
#endif