577         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("整数integer");  in HWTEST_F_L0()  local
579         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
580         EcmaString *res = EcmaString::FastSubString(ecmaVMPtr, sourceString, 2, 7);  in HWTEST_F_L0()
585         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("整数integer");  in HWTEST_F_L0()  local
587         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
588         EcmaString *res = EcmaString::FastSubString(ecmaVMPtr, sourceString, 0, 2);  in HWTEST_F_L0()
593         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("整数integer");  in HWTEST_F_L0()  local
595         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
596         EcmaString *res = EcmaString::FastSubString(ecmaVMPtr, sourceString, 1, 7);  in HWTEST_F_L0()
601         JSHandle<EcmaString> sourceString = factory->NewFromASCII("integer123");  in HWTEST_F_L0()  local
603         EXPECT_TRUE(sourceString->IsUtf8());  in HWTEST_F_L0()
604         EcmaString *res = EcmaString::FastSubString(ecmaVMPtr, sourceString, 0, 7);  in HWTEST_F_L0()
1624         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Start开始");  in HWTEST_F_L0()  local
1627         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
1630         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1635         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Start开始");  in HWTEST_F_L0()  local
1638         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
1641         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1646         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Start开始");  in HWTEST_F_L0()  local
1649         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
1652         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1657         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Startstart");  in HWTEST_F_L0()  local
1660         EXPECT_TRUE(sourceString->IsUtf8());  in HWTEST_F_L0()
1663         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1668         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Startstart");  in HWTEST_F_L0()  local
1671         EXPECT_TRUE(sourceString->IsUtf8());  in HWTEST_F_L0()
1674         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1679         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Startstat");  in HWTEST_F_L0()  local
1682         EXPECT_TRUE(sourceString->IsUtf8());  in HWTEST_F_L0()
1685         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1690         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Start开始");  in HWTEST_F_L0()  local
1693         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
1696         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()
1701         JSHandle<EcmaString> sourceString = factory->NewFromUtf8("Start开始");  in HWTEST_F_L0()  local
1704         EXPECT_TRUE(sourceString->IsUtf16());  in HWTEST_F_L0()
1707         bool result = sourceString->EqualToSplicedString(*firstString, *secondString);  in HWTEST_F_L0()