88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
#include <gtest/gtest.h>
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#include <yycc.hpp>
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#include <yycc/rust/parse.hpp>
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#include <yycc/prelude/rust.hpp>
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#define PARSE ::yycc::rust::parse
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namespace yycctest::rust::parse {
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// We only want to test it if C++ support it.
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#if defined(YYCC_CPPFEAT_EXPECTED)
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// This namespace is just a wrapper for legacy "parse" module.
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// So the test is just a copy of original implementation.
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// Please update this if original test was updated.
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#define TEST_SUCCESS(type_t, expected_value, string_value, ...) \
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{ \
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u8string cache_string(YYCC_U8(string_value)); \
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auto rv = PARSE::parse<type_t>(cache_string, ##__VA_ARGS__); \
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ASSERT_TRUE(rv.has_value()); \
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EXPECT_EQ(rv.value(), expected_value); \
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}
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#define TEST_FAIL(type_t, string_value, ...) \
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{ \
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u8string cache_string(YYCC_U8(string_value)); \
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auto rv = PARSE::parse<type_t>(cache_string, ##__VA_ARGS__); \
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EXPECT_FALSE(rv.has_value()); \
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}
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TEST(RustParse, Common) {
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TEST_SUCCESS(i8, INT8_C(-61), "-61");
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TEST_SUCCESS(u8, UINT8_C(200), "200");
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TEST_SUCCESS(i16, INT16_C(6161), "6161");
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TEST_SUCCESS(u16, UINT16_C(32800), "32800");
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TEST_SUCCESS(i32, INT32_C(61616161), "61616161");
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TEST_SUCCESS(u32, UINT32_C(4294967293), "4294967293");
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TEST_SUCCESS(i64, INT64_C(616161616161), "616161616161");
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TEST_SUCCESS(u64, UINT64_C(9223372036854775807), "9223372036854775807");
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TEST_SUCCESS(float, 1.0f, "1.0");
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TEST_SUCCESS(double, 1.0, "1.0");
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TEST_SUCCESS(bool, true, "true");
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TEST_SUCCESS(bool, false, "false");
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}
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TEST(RustParse, Radix) {
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TEST_SUCCESS(u32, UINT32_C(0xffff), "ffff", 16);
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TEST_SUCCESS(u32, UINT32_C(032), "032", 8);
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TEST_SUCCESS(u32, UINT32_C(0B1011), "1011", 2);
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}
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TEST(RustParse, CaseInsensitive) {
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TEST_SUCCESS(bool, true, "tRUE");
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}
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TEST(RustParse, Overflow) {
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TEST_FAIL(i8, "6161");
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TEST_FAIL(u8, "32800");
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TEST_FAIL(i16, "61616161");
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TEST_FAIL(u16, "4294967293");
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TEST_FAIL(i32, "616161616161");
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TEST_FAIL(u32, "9223372036854775807");
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TEST_FAIL(i64, "616161616161616161616161");
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TEST_FAIL(u64, "92233720368547758079223372036854775807");
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TEST_FAIL(float, "1e40");
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TEST_FAIL(double, "1e114514");
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}
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TEST(RustParse, BadRadix) {
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TEST_FAIL(u32, "fghj", 16);
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TEST_FAIL(u32, "099", 8);
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TEST_FAIL(u32, "12345", 2);
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}
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TEST(RustParse, InvalidWords) {
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TEST_FAIL(u32, "hello, world!");
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TEST_FAIL(bool, "hello, world!");
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}
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#endif
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} // namespace yycctest::rust::parse
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