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ES6NumberTest.java
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ES6NumberTest.java
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/*
* Copyright 2006-2018 WebPKI.org (http://webpki.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;
import org.webpki.jcs.NumberToJSON;
public class ES6NumberTest {
static final int TURNS = 1000000;
static final String INVALID_NUMBER = "null";
static int conversionErrors;
static void verify(String ieeeHex, String expected) {
while (ieeeHex.length() < 16) {
ieeeHex = '0' + ieeeHex;
}
double ieeeF64 = Double.longBitsToDouble(Long.parseUnsignedLong(ieeeHex, 16));
try {
String es6Created = NumberToJSON.serializeNumber(ieeeF64);
if (!es6Created.equals(expected)) {
conversionErrors++;
System.out.println("ieeeHex=" + ieeeHex +
"\ncreated=" + es6Created +
"\nexpected=" + expected + "\n");
}
} catch (IOException e) {
if (!expected.equals(INVALID_NUMBER)) {
conversionErrors++;
System.out.println("ieeeHex=" + ieeeHex);
}
}
if (!expected.equals(INVALID_NUMBER)) {
if (ieeeF64 != Double.valueOf(expected)) {
throw new RuntimeException("Parser error: " + expected);
}
}
}
public static void main(String[] args) throws IOException {
verify("4340000000000001", "9007199254740994");
verify("4340000000000002", "9007199254740996");
verify("444b1ae4d6e2ef50", "1e+21");
verify("3eb0c6f7a0b5ed8d", "0.000001");
verify("3eb0c6f7a0b5ed8c", "9.999999999999997e-7");
verify("8000000000000000", "0");
verify("7fffffffffffffff", INVALID_NUMBER);
verify("7ff0000000000000", INVALID_NUMBER);
verify("fff0000000000000", INVALID_NUMBER);
BufferedReader in = new BufferedReader(new FileReader(args[0]));
long lineCount = 0;
while (true) {
String line = in.readLine();
if (line == null) {
if (conversionErrors == 0) {
System.out.println("\nSuccessful Operation. Lines read: " + lineCount);
} else {
System.out.println("\nFailures: " + conversionErrors);
}
return;
}
int comma = line.indexOf(',');
verify(line.substring(0, comma), line.substring(comma + 1));
if (++lineCount % TURNS == 0) {
System.out.println("Line: " + lineCount);
}
}
}
}