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4511638: Double.toString(double) sometimes produces incorrect results

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Reviewed-by: aturbanov, darcy, bpb
This commit is contained in:
Raffaello Giulietti 2022-06-01 21:53:54 +00:00 • committed by Joe Darcy
parent 2f19144249
commit 72bcf2aa03
18 changed files with 4075 additions and 120 deletions
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28
test/langtools/tools/javac/sym/ElementStructureTest.java
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@ -128,16 +128,16 @@ public class ElementStructureTest {
(byte) 0xB7, (byte) 0x52, (byte) 0x0F, (byte) 0x68
};
static final byte[] hash7 = new byte[] {
(byte) 0x45, (byte) 0xCA, (byte) 0x83, (byte) 0xCD,
(byte) 0x1A, (byte) 0x68, (byte) 0x57, (byte) 0x9C,
(byte) 0x6F, (byte) 0x2D, (byte) 0xEB, (byte) 0x28,
(byte) 0xAB, (byte) 0x05, (byte) 0x53, (byte) 0x6E
(byte) 0x2C, (byte) 0x01, (byte) 0xC0, (byte) 0xFB,
(byte) 0xD5, (byte) 0x66, (byte) 0x0D, (byte) 0x9C,
(byte) 0x09, (byte) 0x17, (byte) 0x2F, (byte) 0x5A,
(byte) 0x3D, (byte) 0xC1, (byte) 0xFE, (byte) 0xCB
};
static final byte[] hash8 = new byte[] {
(byte) 0x26, (byte) 0x8C, (byte) 0xFD, (byte) 0x61,
(byte) 0x53, (byte) 0x00, (byte) 0x57, (byte) 0x10,
(byte) 0x36, (byte) 0x2B, (byte) 0x92, (byte) 0x0B,
(byte) 0xE1, (byte) 0x6A, (byte) 0xB5, (byte) 0xFD
(byte) 0x10, (byte) 0xE6, (byte) 0xE8, (byte) 0x11,
(byte) 0xC8, (byte) 0x02, (byte) 0x63, (byte) 0x9B,
(byte) 0xAB, (byte) 0x11, (byte) 0x9E, (byte) 0x4F,
(byte) 0xFA, (byte) 0x00, (byte) 0x6D, (byte) 0x81
};
final static Map<String, byte[]> version2Hash = new HashMap<>();
@ -484,7 +484,7 @@ public class ElementStructureTest {
return null;
try {
analyzeElement(e);
out.write(String.valueOf(e.getConstantValue()));
writeConstant(e.getConstantValue());
out.write("\n");
} catch (IOException ex) {
ex.printStackTrace();
@ -514,6 +514,16 @@ public class ElementStructureTest {
throw new IllegalStateException("Should not get here.");
}
private void writeConstant(Object value) throws IOException {
if (value instanceof Double) {
out.write(Double.toHexString((Double) value));
} else if (value instanceof Float) {
out.write(Float.toHexString((Float) value));
} else {
out.write(String.valueOf(value));
}
}
}
final class TestFileManager implements JavaFileManager {