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#include "gtest/gtest.h"
#include <stdint.h>
#include <utility>
#include "nsString.h"
extern "C" {
// This function is called by the rust code in test.rs if a non-fatal test
// failure occurs.
void GTest_ExpectFailure(const char* aMessage) { EXPECT_STREQ(aMessage, ""); }
}
#define SIZE_ALIGN_CHECK(Clazz) \
extern "C" void Rust_Test_ReprSizeAlign_##Clazz(size_t* size, \
size_t* align); \
TEST(RustNsString, ReprSizeAlign_##Clazz) \
{ \
size_t size, align; \
Rust_Test_ReprSizeAlign_##Clazz(&size, &align); \
EXPECT_EQ(size, sizeof(Clazz)); \
EXPECT_EQ(align, alignof(Clazz)); \
}
SIZE_ALIGN_CHECK(nsString)
SIZE_ALIGN_CHECK(nsCString)
#define MEMBER_CHECK(Clazz, Member) \
extern "C" void Rust_Test_Member_##Clazz##_##Member( \
size_t* size, size_t* align, size_t* offset); \
TEST(RustNsString, ReprMember_##Clazz##_##Member) \
{ \
class Hack : public Clazz { \
public: \
static void RunTest() { \
size_t size, align, offset; \
Rust_Test_Member_##Clazz##_##Member(&size, &align, &offset); \
EXPECT_EQ(size, sizeof(std::declval<Hack>().Member)); \
EXPECT_EQ(align, alignof(decltype(std::declval<Hack>().Member))); \
EXPECT_EQ(offset, offsetof(Hack, Member)); \
} \
}; \
static_assert(sizeof(Clazz) == sizeof(Hack), "Hack matches class"); \
Hack::RunTest(); \
}
MEMBER_CHECK(nsString, mData)
MEMBER_CHECK(nsString, mLength)
MEMBER_CHECK(nsString, mDataFlags)
MEMBER_CHECK(nsString, mClassFlags)
MEMBER_CHECK(nsCString, mData)
MEMBER_CHECK(nsCString, mLength)
MEMBER_CHECK(nsCString, mDataFlags)
MEMBER_CHECK(nsCString, mClassFlags)
extern "C" void Rust_Test_NsStringFlags(
uint16_t* f_terminated, uint16_t* f_voided, uint16_t* f_refcounted,
uint16_t* f_owned, uint16_t* f_inline, uint16_t* f_literal,
uint16_t* f_class_inline, uint16_t* f_class_null_terminated);
TEST(RustNsString, NsStringFlags)
{
uint16_t f_terminated, f_voided, f_refcounted, f_owned, f_inline, f_literal,
f_class_inline, f_class_null_terminated;
Rust_Test_NsStringFlags(&f_terminated, &f_voided, &f_refcounted, &f_owned,
&f_inline, &f_literal, &f_class_inline,
&f_class_null_terminated);
EXPECT_EQ(f_terminated, uint16_t(nsAString::DataFlags::TERMINATED));
EXPECT_EQ(f_terminated, uint16_t(nsACString::DataFlags::TERMINATED));
EXPECT_EQ(f_voided, uint16_t(nsAString::DataFlags::VOIDED));
EXPECT_EQ(f_voided, uint16_t(nsACString::DataFlags::VOIDED));
EXPECT_EQ(f_refcounted, uint16_t(nsAString::DataFlags::REFCOUNTED));
EXPECT_EQ(f_refcounted, uint16_t(nsACString::DataFlags::REFCOUNTED));
EXPECT_EQ(f_owned, uint16_t(nsAString::DataFlags::OWNED));
EXPECT_EQ(f_owned, uint16_t(nsACString::DataFlags::OWNED));
EXPECT_EQ(f_inline, uint16_t(nsAString::DataFlags::INLINE));
EXPECT_EQ(f_inline, uint16_t(nsACString::DataFlags::INLINE));
EXPECT_EQ(f_literal, uint16_t(nsAString::DataFlags::LITERAL));
EXPECT_EQ(f_literal, uint16_t(nsACString::DataFlags::LITERAL));
EXPECT_EQ(f_class_inline, uint16_t(nsAString::ClassFlags::INLINE));
EXPECT_EQ(f_class_inline, uint16_t(nsACString::ClassFlags::INLINE));
EXPECT_EQ(f_class_null_terminated,
uint16_t(nsAString::ClassFlags::NULL_TERMINATED));
EXPECT_EQ(f_class_null_terminated,
uint16_t(nsACString::ClassFlags::NULL_TERMINATED));
}
extern "C" void Rust_StringFromCpp(const nsACString* aCStr,
const nsAString* aStr);
TEST(RustNsString, StringFromCpp)
{
nsAutoCString foo;
foo.AssignASCII("Hello, World!");
nsAutoString bar;
bar.AssignASCII("Hello, World!");
Rust_StringFromCpp(&foo, &bar);
}
extern "C" void Rust_AssignFromRust(nsACString* aCStr, nsAString* aStr);
TEST(RustNsString, AssignFromRust)
{
nsAutoCString cs;
nsAutoString s;
Rust_AssignFromRust(&cs, &s);
EXPECT_TRUE(cs.EqualsASCII("Hello, World!"));
EXPECT_TRUE(s.EqualsASCII("Hello, World!"));
}
extern "C" {
void Cpp_AssignFromCpp(nsACString* aCStr, nsAString* aStr) {
aCStr->AssignASCII("Hello, World!");
aStr->AssignASCII("Hello, World!");
}
}
extern "C" void Rust_AssignFromCpp();
TEST(RustNsString, AssignFromCpp)
{ Rust_AssignFromCpp(); }
extern "C" void Rust_StringWrite();
TEST(RustNsString, StringWrite)
{ Rust_StringWrite(); }
extern "C" void Rust_FromEmptyRustString();
TEST(RustNsString, FromEmptyRustString)
{ Rust_FromEmptyRustString(); }
extern "C" void Rust_WriteToBufferFromRust(nsACString* aCStr, nsAString* aStr,
nsACString* aFallibleCStr,
nsAString* aFallibleStr);
TEST(RustNsString, WriteToBufferFromRust)
{
nsAutoCString cStr;
nsAutoString str;
nsAutoCString fallibleCStr;
nsAutoString fallibleStr;
cStr.AssignLiteral("abc");
str.AssignLiteral("abc");
fallibleCStr.AssignLiteral("abc");
fallibleStr.AssignLiteral("abc");
Rust_WriteToBufferFromRust(&cStr, &str, &fallibleCStr, &fallibleStr);
EXPECT_TRUE(cStr.EqualsASCII("ABC"));
EXPECT_TRUE(str.EqualsASCII("ABC"));
EXPECT_TRUE(fallibleCStr.EqualsASCII("ABC"));
EXPECT_TRUE(fallibleStr.EqualsASCII("ABC"));
}
extern "C" void Rust_InlineCapacityFromRust(const nsACString* aCStr,
const nsAString* aStr,
size_t* aCStrCapacity,
size_t* aStrCapacity);
TEST(RustNsString, InlineCapacityFromRust)
{
size_t cStrCapacity;
size_t strCapacity;
nsAutoCStringN<93> cs;
nsAutoStringN<93> s;
Rust_InlineCapacityFromRust(&cs, &s, &cStrCapacity, &strCapacity);
EXPECT_EQ(cStrCapacity, 92U);
EXPECT_EQ(strCapacity, 92U);
}
extern "C" void Rust_VoidStringFromRust(nsACString* aCStr, nsAString* aStr);
TEST(RustNsString, VoidStringFromRust)
{
nsAutoCString cs;
nsAutoString s;
EXPECT_FALSE(cs.IsVoid());
EXPECT_FALSE(s.IsVoid());
Rust_VoidStringFromRust(&cs, &s);
EXPECT_TRUE(cs.IsVoid());
EXPECT_TRUE(s.IsVoid());
}