diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/422-type-conversion/src/Main.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/422-type-conversion/src/Main.java b/test/422-type-conversion/src/Main.java index 7c5ddbab13..88b45280ac 100644 --- a/test/422-type-conversion/src/Main.java +++ b/test/422-type-conversion/src/Main.java @@ -36,6 +36,14 @@ public class Main { } } + public static void assertCharEquals(char expected, char result) { + if (expected != result) { + // Values are cast to int to display numeric values instead of + // (Unicode) characters. + throw new Error("Expected: " + (int)expected + ", found: " + (int)result); + } + } + public static void main(String[] args) { byteToLong(); shortToLong(); @@ -47,6 +55,10 @@ public class Main { shortToByte(); intToByte(); charToByte(); + + byteToChar(); + shortToChar(); + intToChar(); } private static void byteToLong() { @@ -174,6 +186,46 @@ public class Main { assertByteEquals((byte)127, $opt$CharToByte((char)-129)); // -(2^7 + 1) } + private static void byteToChar() { + assertCharEquals((char)1, $opt$ByteToChar((byte)1)); + assertCharEquals((char)0, $opt$ByteToChar((byte)0)); + assertCharEquals((char)65535, $opt$ByteToChar((byte)-1)); + assertCharEquals((char)51, $opt$ByteToChar((byte)51)); + assertCharEquals((char)65485, $opt$ByteToChar((byte)-51)); + assertCharEquals((char)127, $opt$ByteToChar((byte)127)); // 2^7 - 1 + assertCharEquals((char)65409, $opt$ByteToChar((byte)-127)); // -(2^7 - 1) + assertCharEquals((char)65408, $opt$ByteToChar((byte)-128)); // -(2^7) + } + + private static void shortToChar() { + assertCharEquals((char)1, $opt$ShortToChar((short)1)); + assertCharEquals((char)0, $opt$ShortToChar((short)0)); + assertCharEquals((char)65535, $opt$ShortToChar((short)-1)); + assertCharEquals((char)51, $opt$ShortToChar((short)51)); + assertCharEquals((char)65485, $opt$ShortToChar((short)-51)); + assertCharEquals((char)32767, $opt$ShortToChar((short)32767)); // 2^15 - 1 + assertCharEquals((char)32769, $opt$ShortToChar((short)-32767)); // -(2^15 - 1) + assertCharEquals((char)32768, $opt$ShortToChar((short)-32768)); // -(2^15) + } + + private static void intToChar() { + assertCharEquals((char)1, $opt$IntToChar(1)); + assertCharEquals((char)0, $opt$IntToChar(0)); + assertCharEquals((char)65535, $opt$IntToChar(-1)); + assertCharEquals((char)51, $opt$IntToChar(51)); + assertCharEquals((char)65485, $opt$IntToChar(-51)); + assertCharEquals((char)32767, $opt$IntToChar(32767)); // 2^15 - 1 + assertCharEquals((char)32769, $opt$IntToChar(-32767)); // -(2^15 - 1) + assertCharEquals((char)32768, $opt$IntToChar(32768)); // 2^15 + assertCharEquals((char)32768, $opt$IntToChar(-32768)); // -(2^15) + assertCharEquals((char)65535, $opt$IntToChar(65535)); // 2^16 - 1 + assertCharEquals((char)1, $opt$IntToChar(-65535)); // -(2^16 - 1) + assertCharEquals((char)0, $opt$IntToChar(65536)); // 2^16 + assertCharEquals((char)0, $opt$IntToChar(-65536)); // -(2^16) + assertCharEquals((char)65535, $opt$IntToChar(2147483647)); // 2^31 - 1 + assertCharEquals((char)0, $opt$IntToChar(-2147483648)); // -(2^31) + } + // These methods produce int-to-long Dex instructions. static long $opt$ByteToLong(byte a) { return a; } @@ -189,4 +241,9 @@ public class Main { static byte $opt$ShortToByte(short a){ return (byte)a; } static byte $opt$IntToByte(int a){ return (byte)a; } static byte $opt$CharToByte(char a){ return (byte)a; } + + // These methods produce int-to-char Dex instructions. + static char $opt$ByteToChar(byte a){ return (char)a; } + static char $opt$ShortToChar(short a){ return (char)a; } + static char $opt$IntToChar(int a){ return (char)a; } } |