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feat(str): add SStrToDouble

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Adam Heinermann 2025-08-31 16:40:16 -07:00 • committed by fallenoak
parent 2408166d5d
commit 75dc4e57a6
3 changed files with 189 additions and 0 deletions
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88
test/String.cpp
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@ -2,6 +2,7 @@
#include "storm/Memory.hpp"
#include "test/Test.hpp"
#include <cfloat>
#include <type_traits>
@ -487,6 +488,84 @@ TEST_CASE("SStrTokenize", "[string]") {
}
}
TEST_CASE("SStrToDouble", "[string]") {
SECTION("converts empty string to double") {
auto result = SStrToDouble("");
REQUIRE(result == 0.0f);
}
SECTION("converts whitespace string to double") {
auto result = SStrToDouble(" \t\r\n");
REQUIRE(result == 0.0f);
}
SECTION("converts random characters to double") {
auto result = SStrToDouble("abcd");
REQUIRE(result == 0.0f);
}
SECTION("converts string with positive int to double") {
auto result = SStrToDouble("123");
REQUIRE(result == 123.0f);
}
SECTION("converts string with negative int to double") {
auto result = SStrToDouble("-123");
REQUIRE(result == -123.0f);
}
SECTION("converts string with positive float to double") {
auto result = SStrToDouble("1.5");
REQUIRE(result == 1.5f);
}
SECTION("converts string with negative float to double") {
auto result = SStrToDouble("-1.5");
REQUIRE(result == -1.5f);
}
SECTION("converts string with float and positive exponent to double") {
auto result = SStrToDouble("1.5e3");
REQUIRE(result == 1500.0f);
}
SECTION("converts string with float and positive full form exponent to double") {
auto result = SStrToDouble("1.5e+3");
REQUIRE(result == 1500.0f);
}
SECTION("converts string with capital exponent to double") {
auto result = SStrToDouble("1.5E+3");
REQUIRE(result == 1500.0f);
}
SECTION("converts string with random added letter to double") {
auto result = SStrToDouble("1.5g3");
REQUIRE(result == 1.5f);
}
SECTION("converts string with float and negative exponent to double") {
auto result = SStrToDouble("1500.0e-3");
REQUIRE(result == 1.5f);
}
SECTION("converts string with zero to double") {
auto result = SStrToDouble("0");
REQUIRE(result == 0.0f);
}
SECTION("converts string with leading zero to double") {
auto result = SStrToDouble("01");
REQUIRE(result == 1.0f);
}
SECTION("converts large values to infinity") {
// beyond max double
REQUIRE(SStrToDouble("1.79769e+310") == HUGE_VAL);
REQUIRE(SStrToDouble("-1.79769e+310") == -HUGE_VAL);
}
}
TEST_CASE("SStrToFloat", "[string]") {
SECTION("converts empty string to float") {
auto result = SStrToFloat("");
@ -557,6 +636,15 @@ TEST_CASE("SStrToFloat", "[string]") {
auto result = SStrToFloat("01");
REQUIRE(result == 1.0f);
}
SECTION("converts large values to infinity") {
// max double
REQUIRE(SStrToFloat("1.79769e+308") == HUGE_VALF);
// beyond max double
REQUIRE(SStrToFloat("1.79769e+310") == HUGE_VALF);
REQUIRE(SStrToFloat("-1.79769e+310") == -HUGE_VALF);
}
}
TEST_CASE("SStrToInt", "[string]") {