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Diffstat (limited to 'xpcom/rust/gtest/nsstring/TestnsString.cpp')
| -rw-r--r-- | xpcom/rust/gtest/nsstring/TestnsString.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/xpcom/rust/gtest/nsstring/TestnsString.cpp b/xpcom/rust/gtest/nsstring/TestnsString.cpp new file mode 100644 index 0000000000..4e14c7bca5 --- /dev/null +++ b/xpcom/rust/gtest/nsstring/TestnsString.cpp @@ -0,0 +1,177 @@ +#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()); +} |