260 lines
8.3 KiB
C++
260 lines
8.3 KiB
C++
/* file token.test.cpp
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*
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* author: Roland Conybeare
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*/
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#include "xo/tokenizer/token.hpp"
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#include <catch2/catch.hpp>
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#include <memory>
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namespace xo {
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using token = xo::scm::token<char>;
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using xo::scm::tokentype;
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namespace ut {
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struct testcase_i64 {
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std::string text_;
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bool expect_throw_;
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std::int64_t expected_;
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};
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std::vector<testcase_i64> s_testcase_v = {
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{"", true, 0},
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{"0", false, 0},
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{"-", true, 0},
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{"+", true, 0},
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{"-0", false, 0},
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{"+0", false, 0},
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{"1", false, 1},
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{"-1", false, -1},
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{"9", false, 9},
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{"-9", false, -9},
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{"12", false, 12},
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{"+12", false, 12},
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{"-12", false, -12},
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{"99", false, 99},
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{"-99", false, -99},
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{"123x", true, 0},
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};
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TEST_CASE("parse-i64", "[token]") {
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for (std::size_t i_tc = 0, n_tc = s_testcase_v.size(); i_tc < n_tc; ++i_tc) {
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INFO(xtag("i_tc", i_tc));
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auto const & testcase = s_testcase_v[i_tc];
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token tk(tokentype::tk_i64,
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testcase.text_);
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REQUIRE(tk.tk_type() == tokentype::tk_i64);
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bool throw_flag = false;
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try {
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std::int64_t x = tk.i64_value();
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REQUIRE(x == testcase.expected_);
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} catch (std::exception & ex) {
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throw_flag = true;
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}
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REQUIRE(throw_flag == testcase.expect_throw_);
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}
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}
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TEST_CASE("error-i64", "[token]") {
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token tk(tokentype::tk_i64, "+");
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bool throw_flag = false;
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try {
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tk.i64_value();
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} catch(std::exception & ex) {
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throw_flag = true;
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}
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REQUIRE(throw_flag);
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}
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namespace {
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struct testcase_f64 {
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std::string text_;
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bool expect_throw_;
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double expected_;
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};
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std::vector<testcase_f64> s_testcase_v = {
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{"", true, 0},
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{"0", false, 0},
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{"-", true, 0},
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{"+", true, 0},
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{"-0", false, 0},
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{"+0", false, 0},
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{"1", false, 1},
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{"-1", false, -1},
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{"9", false, 9},
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{"-9", false, -9},
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{"12", false, 12},
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{"+12", false, 12},
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{"-12", false, -12},
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{"99", false, 99},
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{"-99", false, -99},
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{"123x", true, 0},
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{"0.0", false, 0.0},
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{"0.1", false, 0.1},
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{"0.12", false, 0.12},
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{"0.123", false, 0.123},
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{"0.1234", false, 0.1234},
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{"0.12345", false, 0.12345},
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{"0.123456", false, 0.123456},
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{"0.1234567", false, 0.1234567},
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{"0.12345678", false, 0.12345678},
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{"0.123456789", false, 0.123456789},
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{"+0.0", false, 0.0},
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{"+0.1", false, 0.1},
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{"+0.12", false, 0.12},
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{"+0.123", false, 0.123},
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{"+0.1234", false, 0.1234},
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{"+0.12345", false, 0.12345},
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{"+0.123456", false, 0.123456},
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{"+0.1234567", false, 0.1234567},
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{"+0.12345678", false, 0.12345678},
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{"+0.123456789", false, 0.123456789},
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{"+0.0e0", false, 0.0},
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{"+0.1e0", false, 0.1},
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{"+0.12e0", false, 0.12},
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{"+0.123e0", false, 0.123},
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{"+0.1234e0", false, 0.1234},
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{"+0.12345e0", false, 0.12345},
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{"+0.123456e0", false, 0.123456},
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{"+0.1234567e0", false, 0.1234567},
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{"+0.12345678e0", false, 0.12345678},
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{"+0.123456789e0", false, 0.123456789},
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{"+0.0e1", false, 00.},
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{"+0.1e1", false, 01.},
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{"+0.12e1", false, 01.2},
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{"+0.123e1", false, 01.23},
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{"+0.1234e1", false, 01.234},
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{"+0.12345e1", false, 01.2345},
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{"+0.123456e1", false, 01.23456},
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{"+0.1234567e1", false, 01.234567},
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{"+0.12345678e1", false, 01.2345678},
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{"+0.123456789e1", false, 01.23456789},
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{"+0.0E1", false, 00.},
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{"+0.1E1", false, 01.},
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{"+0.12E1", false, 01.2},
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{"+0.123E1", false, 01.23},
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{"+0.1234E1", false, 01.234},
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{"+0.12345E1", false, 01.2345},
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{"+0.123456E1", false, 01.23456},
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{"+0.1234567E1", false, 01.234567},
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{"+0.12345678E1", false, 01.2345678},
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{"+0.123456789E1", false, 01.23456789},
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{"+0.0e9", false, 0.0},
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{"+0.1e9", false, 0.1e9},
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{"+0.12e9", false, 0.12e9},
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{"+0.123e9", false, 0.123e9},
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{"+0.1234e9", false, 0.1234e9},
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{"+0.12345e9", false, 0.12345e9},
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{"+0.123456e9", false, 0.123456e9},
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{"+0.1234567e9", false, 0.1234567e9},
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{"+0.12345678e9", false, 0.12345678e9},
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{"+0.123456789e9", false, 0.123456789e9},
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{"-0.0", false, -0.0},
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{"-0.1", false, -0.1},
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{"-0.12", false, -0.12},
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{"-0.123", false, -0.123},
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{"-0.1234", false, -0.1234},
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{"-0.12345", false, -0.12345},
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{"-0.123456", false, -0.123456},
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{"-0.1234567", false, -0.1234567},
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{"-0.12345678", false, -0.12345678},
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{"-0.123456789", false, -0.123456789},
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{"00.", false, 0.0},
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{"01.", false, 1.0},
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{"01.2", false, 1.2},
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{"01.23", false, 1.23},
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{"01.234", false, 1.234},
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{"01.2345", false, 1.2345},
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{"01.23456", false, 1.23456},
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{"01.234567", false, 1.234567},
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{"01.2345678", false, 1.2345678},
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{"01.23456789", false, 1.23456789},
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{"0.0", false, 0.0},
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{"1.2", false, 1.2},
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{"12.", false, 12.0},
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{"12.3", false, 12.3},
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{"12.34", false, 12.34},
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{"12.345", false, 12.345},
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{"12.3456", false, 12.3456},
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{"12.34567", false, 12.34567},
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{"12.345678", false, 12.345678},
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{"12.3456789", false, 12.3456789},
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{"01.23", false, 1.23},
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{"12.3", false, 12.3},
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{"123.", false, 123.0},
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{"123.4", false, 123.4},
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{"123.45", false, 123.45},
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{"123.456", false, 123.456},
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{"123.4567", false, 123.4567},
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{"123.45678", false, 123.45678},
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{"123.456789", false, 123.456789},
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};
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TEST_CASE("parse-f64", "[token]") {
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for (std::size_t i_tc = 0, n_tc = s_testcase_v.size(); i_tc < n_tc; ++i_tc) {
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auto const & testcase = s_testcase_v[i_tc];
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INFO(tostr(xtag("i_tc", i_tc),
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xtag("text", testcase.text_)
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));
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token tk(tokentype::tk_f64,
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testcase.text_);
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REQUIRE(tk.tk_type() == tokentype::tk_f64);
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bool throw_flag = false;
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std::string ex_msg;
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try {
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double x = tk.f64_value();
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REQUIRE(x == Approx(testcase.expected_).epsilon(1.0e-15));
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} catch (std::exception & ex) {
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ex_msg = ex.what();
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throw_flag = true;
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}
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INFO(xtag("ex_msg", ex_msg));
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REQUIRE(throw_flag == testcase.expect_throw_);
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}
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}
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} /*namespace*/
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} /*namespace ut*/
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} /*namespace xo*/
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/* end token.test.cpp */
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