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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include <math.h>
#include "nsVariant.h"
#include "gtest/gtest.h"
TEST(Variant, DoubleNaN)
{
nsDiscriminatedUnion du;
du.SetFromDouble(NAN);
uint8_t ui8;
EXPECT_EQ(du.ConvertToInt8(&ui8), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
int16_t i16;
EXPECT_EQ(du.ConvertToInt16(&i16), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
int32_t i32;
EXPECT_EQ(du.ConvertToInt32(&i32), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
int64_t i64;
EXPECT_EQ(du.ConvertToInt64(&i64), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
EXPECT_EQ(du.ConvertToUint8(&ui8), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
uint16_t ui16;
EXPECT_EQ(du.ConvertToUint16(&ui16), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
uint32_t ui32;
EXPECT_EQ(du.ConvertToUint32(&ui32), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
uint64_t ui64;
EXPECT_EQ(du.ConvertToUint64(&ui64), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
float f = 0.0f;
EXPECT_EQ(du.ConvertToFloat(&f), NS_OK);
EXPECT_TRUE(isnan(f));
double d = 0.0;
EXPECT_EQ(du.ConvertToDouble(&d), NS_OK);
EXPECT_TRUE(isnan(d));
bool b = true;
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_FALSE(b);
char c;
EXPECT_EQ(du.ConvertToChar(&c), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
char16_t c16;
EXPECT_EQ(du.ConvertToWChar(&c16), NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
nsID id = {};
EXPECT_EQ(du.ConvertToID(&id), NS_ERROR_CANNOT_CONVERT_DATA);
nsAutoString string;
EXPECT_EQ(du.ConvertToAString(string), NS_OK);
EXPECT_EQ(string, u"NaN"_ns);
nsAutoCString utf8string;
EXPECT_EQ(du.ConvertToAUTF8String(utf8string), NS_OK);
EXPECT_EQ(utf8string, "NaN"_ns);
nsAutoCString autocstring;
EXPECT_EQ(du.ConvertToACString(autocstring), NS_OK);
EXPECT_EQ(autocstring, "NaN"_ns);
char* chars = nullptr;
EXPECT_EQ(du.ConvertToString(&chars), NS_OK);
EXPECT_STREQ(chars, "NaN");
free(chars);
char16_t* wchars = nullptr;
EXPECT_EQ(du.ConvertToWString(&wchars), NS_OK);
{
// gtest doesn't seem to support EXPECT_STREQ on char16_t, so convert
// to Gecko strings to do the comparison.
nsDependentString wstring(wchars);
EXPECT_EQ(wstring, u"NaN"_ns);
}
free(wchars);
chars = nullptr;
uint32_t size = 0;
EXPECT_EQ(du.ConvertToStringWithSize(&size, &chars), NS_OK);
EXPECT_STREQ(chars, "NaN");
EXPECT_EQ(size, 3u);
free(chars);
wchars = nullptr;
size = 0;
EXPECT_EQ(du.ConvertToWStringWithSize(&size, &wchars), NS_OK);
{
// gtest doesn't seem to support EXPECT_STREQ on char16_t, so convert
// to Gecko strings to do the comparison.
nsDependentString wstring(wchars);
EXPECT_EQ(wstring, u"NaN"_ns);
EXPECT_EQ(size, 3u);
}
free(wchars);
nsISupports* isupports;
EXPECT_EQ(du.ConvertToISupports(&isupports), NS_ERROR_CANNOT_CONVERT_DATA);
nsIID* idp;
void* iface;
EXPECT_EQ(du.ConvertToInterface(&idp, &iface), NS_ERROR_CANNOT_CONVERT_DATA);
uint16_t type;
nsIID iid;
uint32_t count;
void* array;
EXPECT_EQ(du.ConvertToArray(&type, &iid, &count, &array),
NS_ERROR_CANNOT_CONVERT_DATA);
}
TEST(Variant, Bool)
{
nsDiscriminatedUnion du;
bool b = false;
du.SetFromInt64(12);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_TRUE(b);
b = true;
du.SetFromInt64(0);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_FALSE(b);
b = true;
du.SetFromDouble(1.25);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_TRUE(b);
b = true;
du.SetFromDouble(0.0);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_FALSE(b);
b = true;
du.SetFromDouble(-0.0);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_FALSE(b);
// This is also checked in the previous test, but I'm including it
// here for completeness.
b = true;
du.SetFromDouble(NAN);
EXPECT_EQ(du.ConvertToBool(&b), NS_OK);
EXPECT_FALSE(b);
}
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