Flesh out AllocString
Change-Id: Ie8c1170e71374942eafdcb40775ca2df3cf7bbc7
diff --git a/src/object_test.cc b/src/object_test.cc
index dc74b8b..969378c 100644
--- a/src/object_test.cc
+++ b/src/object_test.cc
@@ -8,12 +8,35 @@
#include "object.h"
#include "scoped_ptr.h"
+#include <stdint.h>
#include <stdio.h>
#include "gtest/gtest.h"
namespace art {
-class ObjectTest : public RuntimeTest {};
+class ObjectTest : public RuntimeTest {
+ protected:
+ void AssertString(size_t length,
+ const char* utf8_in,
+ const char* utf16_expected_le,
+ uint32_t hash_expected) {
+ uint16_t utf16_expected[length];
+ for (size_t i = 0; i < length; i++) {
+ uint16_t ch = (((utf16_expected_le[i*2 + 0] & 0xff) << 8) |
+ ((utf16_expected_le[i*2 + 1] & 0xff) << 0));
+ utf16_expected[i] = ch;
+ }
+
+ String* string = class_linker_->AllocStringFromModifiedUtf8(length, utf8_in);
+ ASSERT_EQ(length, string->count_);
+ ASSERT_TRUE(string->array_ != NULL);
+ ASSERT_TRUE(string->array_->GetChars() != NULL);
+ for (size_t i = 0; i < length; i++) {
+ EXPECT_EQ(utf16_expected[i], string->array_->GetChar(i));
+ }
+ EXPECT_EQ(hash_expected, string->hash_code_);
+ }
+};
TEST_F(ObjectTest, IsInSamePackage) {
// Matches
@@ -42,4 +65,26 @@
EXPECT_TRUE(oa->Get(1) == oa);
}
+TEST_F(ObjectTest, String) {
+ // Test the empty string.
+ AssertString(0, "", "", 0);
+
+ // Test one-byte characters.
+ AssertString(1, " ", "\x00\x20", 0x20);
+ AssertString(1, "", "\x00\x00", 0);
+ AssertString(1, "\x7f", "\x00\x7f", 0x7f);
+ AssertString(2, "hi", "\x00\x68\x00\x69", (31 * 0x68) + 0x69);
+
+ // Test two-byte characters.
+ AssertString(1, "\xc2\x80", "\x00\x80", 0x80);
+ AssertString(1, "\xd9\xa6", "\x06\x66", 0x0666);
+ AssertString(1, "\xdf\xbf", "\x07\xff", 0x07ff);
+ AssertString(3, "h\xd9\xa6i", "\x00\x68\x06\x66\x00\x69", (31 * ((31 * 0x68) + 0x0666)) + 0x69);
+
+ // Test three-byte characters.
+ AssertString(1, "\xe0\xa0\x80", "\x08\x00", 0x0800);
+ AssertString(1, "\xe1\x88\xb4", "\x12\x34", 0x1234);
+ AssertString(1, "\xef\xbf\xbf", "\xff\xff", 0xffff);
+ AssertString(3, "h\xe1\x88\xb4i", "\x00\x68\x12\x34\x00\x69", (31 * ((31 * 0x68) + 0x1234)) + 0x69);
+}
} // namespace art