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More test cases for position information

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This commit is contained in:
John J. Aylward 2017-06-24 13:10:14 -04:00
parent 47ff774f5c
commit 899cf528df
1 changed files with 43 additions and 0 deletions
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43
src/test/java/org/json/junit/JSONTokenerTest.java
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@ -1,6 +1,8 @@
package org.json.junit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.BufferedReader;
@ -121,7 +123,12 @@ public class JSONTokenerTest {
@Test
public void testNextBackComboWithNewLines() {
final String testString = "this is\nA test\r\nWith some different\rNew Lines";
// ^ ^ ^ ^
// index positions 0 8 16 36
final JSONTokener tokener = new JSONTokener(testString);
assertEquals(" at 0 [character 1 line 1]", tokener.toString());
assertEquals('t',tokener.next());
assertEquals(" at 1 [character 2 line 1]", tokener.toString());
tokener.skipTo('\n');
assertEquals("skipTo() improperly modifying indexes"," at 7 [character 8 line 1]", tokener.toString());
assertEquals('\n',tokener.next());
@ -132,10 +139,12 @@ public class JSONTokenerTest {
assertEquals(" at 8 [character 0 line 2]", tokener.toString());
tokener.skipTo('\r');
assertEquals("skipTo() improperly modifying indexes"," at 14 [character 6 line 2]", tokener.toString());
// verify \r\n combo doesn't increment the line twice
assertEquals('\r', tokener.next());
assertEquals(" at 15 [character 0 line 3]", tokener.toString());
assertEquals('\n', tokener.next());
assertEquals(" at 16 [character 0 line 3]", tokener.toString());
// verify stepping back after reading the \n of an \r\n combo doesn't increment the line incorrectly
tokener.back();
assertEquals(" at 15 [character 6 line 2]", tokener.toString());
assertEquals('\n', tokener.next());
@ -154,5 +163,39 @@ public class JSONTokenerTest {
assertEquals(" at 36 [character 0 line 4]", tokener.toString());
assertEquals('N', tokener.next());
assertEquals(" at 37 [character 1 line 4]", tokener.toString());
// verify we get the same data just walking though, no calls to back
final JSONTokener t2 = new JSONTokener(testString);
for(int i=0; i<7; i++) {
assertTrue(t2.toString().startsWith(" at " + i + " "));
assertEquals(testString.charAt(i), t2.next());
}
assertEquals(" at 7 [character 8 line 1]", t2.toString());
assertEquals(testString.charAt(7), t2.next());
assertEquals(" at 8 [character 0 line 2]", t2.toString());
for(int i=8; i<14; i++) {
assertTrue(t2.toString().startsWith(" at " + i + " "));
assertEquals(testString.charAt(i), t2.next());
}
assertEquals(" at 14 [character 6 line 2]", t2.toString());
assertEquals('\r', t2.next());
assertEquals(" at 15 [character 0 line 3]", t2.toString());
assertEquals('\n', t2.next());
assertEquals(" at 16 [character 0 line 3]", t2.toString());
assertEquals('W', t2.next());
assertEquals(" at 17 [character 1 line 3]", t2.toString());
for(int i=17; i<37; i++) {
assertTrue(t2.toString().startsWith(" at " + i + " "));
assertEquals(testString.charAt(i), t2.next());
}
assertEquals(" at 37 [character 1 line 4]", t2.toString());
for(int i=37; i<testString.length(); i++) {
assertTrue(t2.toString().startsWith(" at " + i + " "));
assertEquals(testString.charAt(i), t2.next());
}
assertEquals(" at "+ testString.length() +" [character 9 line 4]", t2.toString());
// end of the input
assertEquals(0, t2.next());
assertFalse(t2.more());
}
}