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https://gitflic.ru/project/openide/openide.git
synced 2026-08-20 02:15:59 +07:00
263 lines
9.8 KiB
Java
263 lines
9.8 KiB
Java
import java.time.LocalDateTime;
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import java.util.*;
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public class LongRangeKnownMethods {
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void testIndexOf(String s) {
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int idx = s.indexOf("xyz");
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if(idx >= 0) {
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System.out.println("Found");
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} else if(<warning descr="Condition 'idx == -1' is always 'true'">idx == -1</warning>) {
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System.out.println("Not found");
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}
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}
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void testLocalDateTime(LocalDateTime ldt) {
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if(<warning descr="Condition 'ldt.getHour() == 24' is always 'false'">ldt.getHour() == 24</warning>) System.out.println(1);
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if(<warning descr="Condition 'ldt.getMinute() >= 0' is always 'true'">ldt.getMinute() >= 0</warning>) System.out.println(2);
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if(<warning descr="Condition 'ldt.getSecond() >= 60' is always 'false'">ldt.getSecond() >= 60</warning>) System.out.println(3);
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}
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private static int twiceIndexOf(String text, int start, int end) {
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int paragraphStart = text.lastIndexOf("\n\n", start);
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int paragraphEnd = text.indexOf("\n\n", end);
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if (paragraphStart >= paragraphEnd) {
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return text.length();
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}
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return (paragraphStart >= 0 ? paragraphStart + 2 : 0) +
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(<warning descr="Condition 'paragraphEnd < 0' is always 'false' when reached">paragraphEnd < 0</warning> ? text.length() : paragraphEnd);
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}
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void test(String s) {
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if (<warning descr="Condition 's.isEmpty() && s.length() > 2' is always 'false'">s.isEmpty() && <warning descr="Condition 's.length() > 2' is always 'false' when reached">s.length() > 2</warning></warning>) {
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System.out.println("Never");
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}
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}
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void test2(String s) {
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if (s.isEmpty() && <warning descr="Condition 's.length() == 0' is always 'true' when reached">s.length() == 0</warning>) {
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System.out.println("Ok");
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}
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}
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void test3(String s) {
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if (<warning descr="Condition 's.startsWith(\"xyz\") && s.length() < 3' is always 'false'">s.startsWith("xyz") && <warning descr="Condition 's.length() < 3' is always 'false' when reached">s.length() < 3</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testEmpty(String s) {
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if (<warning descr="Condition 's.isEmpty() && s.startsWith(\"xyz\")' is always 'false'">s.isEmpty() && <warning descr="Condition 's.startsWith(\"xyz\")' is always 'false' when reached">s.startsWith("xyz")</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testOk(String s) {
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if (s.length() <= 3 && s.endsWith("xyz")) {
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System.out.println("Possible");
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}
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}
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void testInterfere(String s, String s2) {
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if (!s.isEmpty() && s2.startsWith(s)) {
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if(<warning descr="Condition 's2.isEmpty()' is always 'false'">s2.isEmpty()</warning>) {
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System.out.println();
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}
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}
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}
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void test4() {
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String s = "abcd";
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if (<warning descr="Condition 's.startsWith(\"efg\")' is always 'false'">s.startsWith("efg")</warning>) {
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System.out.println("Impossible");
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}
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}
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void testEquals(boolean b, boolean c) {
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String s1 = b ? "x" : "y";
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String s2 = c ? "x" : "b";
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if(s1.equals(s2) && <warning descr="Condition 'b' is always 'true' when reached">b</warning>) {
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System.out.println("B is always true");
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}
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}
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void testEqualsIgnoreCase(String s) {
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if(<warning descr="Condition 's.equalsIgnoreCase(\"xyz\") && s.isEmpty()' is always 'false'">s.equalsIgnoreCase("xyz") && <warning descr="Condition 's.isEmpty()' is always 'false' when reached">s.isEmpty()</warning></warning>) {
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System.out.println("Never");
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}
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}
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void testIndexOfUpperBound(String s) {
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int idx = "abcdefgh".indexOf(s);
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if(<warning descr="Condition 'idx > 8' is always 'false'">idx > 8</warning>) {
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System.out.println("Impossible");
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}
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}
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void testMax(int x) {
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x = Math.max(x, 0);
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if (<warning descr="Condition 'x > -1' is always 'true'">x > -1</warning>) {
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System.out.println("Always");
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}
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if (x > 0) {
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System.out.println("Not always");
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}
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}
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void testMin(long x, long y) {
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if (x < 10 && y > 10) {
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y = Long.min(x, y);
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if (<warning descr="Condition 'y > 20' is always 'false'">y > 20</warning>) {
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System.out.println("Impossible");
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}
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}
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if (y > 20) {
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System.out.println("Possible");
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}
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}
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void testMinMax(List<String> rows) {
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int start = Integer.MAX_VALUE;
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int end = -1;
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for (int i = 0; i < rows.size(); i++) {
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String row = rows.get(i);
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if (!row.isEmpty()) {
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start = Math.min(start, i);
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end = Math.max(end, i);
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}
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}
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if(end >= 0 && <warning descr="Condition 'start < Integer.MAX_VALUE' is always 'true' when reached">start < Integer.MAX_VALUE</warning>) {
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System.out.println("Ok");
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}
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}
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void testAbs(long x, int y) {
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x = Math.abs(x);
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y = Math.abs(y);
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if (x == Long.MIN_VALUE) {
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System.out.println("possible");
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}
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if (<warning descr="Condition 'x == Long.MIN_VALUE + 1' is always 'false'">x == Long.MIN_VALUE + 1</warning>) {
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System.out.println("impossible");
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}
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if (<warning descr="Condition 'x == Integer.MIN_VALUE' is always 'false'">x == Integer.MIN_VALUE</warning>) {
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System.out.println("impossible");
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}
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if (y == Integer.MIN_VALUE) {
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System.out.println("possible");
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} else if(<warning descr="Condition 'y < 0' is always 'false'">y < 0</warning>) {
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System.out.println("impossible");
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}
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}
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void testStringComparison(String name) {
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// Parentheses misplaced -- found in AndroidStudio
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if (!(name.equals("layout_width") && <warning descr="Condition '!(name.equals(\"layout_height\"))' is always 'true'">!(<warning descr="Condition 'name.equals(\"layout_height\")' is always 'false'">name.equals("layout_height")</warning>)</warning> &&
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<warning descr="Condition '!(name.equals(\"id\"))' is always 'true'">!(<warning descr="Condition 'name.equals(\"id\")' is always 'false'">name.equals("id")</warning>)</warning>)) {
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System.out.println("ok");
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}
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}
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void testFlush(MyReader r) {
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if(r.getValue().equals("abc")) {
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r.readNext();
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if(r.getValue().equals("abcd")) {
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System.out.println("ok");
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}
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}
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}
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void testNoFlush(MyReader r) {
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if(r.getValue().equals("abc")) {
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if(<warning descr="Condition 'r.getValue().equals(\"abcd\")' is always 'false'">r.getValue().equals("abcd")</warning>) {
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System.out.println("ok");
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}
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}
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}
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static class MyReader {
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private String value = "";
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final String getValue() {
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return value;
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}
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void readNext() {
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value = new Scanner(System.in).next();
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}
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}
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void testEmptyList(List<String> list) {
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if (<warning descr="Condition 'list.get(0).isEmpty() && list.isEmpty()' is always 'false'">list.get(0).isEmpty() && <warning descr="Condition 'list.isEmpty()' is always 'false' when reached">list.isEmpty()</warning></warning>) {
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System.out.println("impossible");
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}
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}
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void testEmptyListGet(List<String> list) {
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if (list.isEmpty()) {
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System.out.println(list.<warning descr="The call to 'get' always fails, according to its method contracts">get</warning>(0));
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}
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}
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void testBoundError(List<String> list) {
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if (list.size() < 10) {
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System.out.println(list.<warning descr="The call to 'get' always fails, according to its method contracts">get</warning>(10));
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}
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}
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void testCollectionArray(Set<Object> currentElements, Object[] elements) {
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if(!currentElements.isEmpty() && elements.length == currentElements.size()) {
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if (<warning descr="Condition 'elements.length > 0' is always 'true'">elements.length > 0</warning>) {
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System.out.println("Yes");
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}
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}
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}
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public String getOrThrow(int index, List<String> localVariables) {
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if (index < localVariables.size()) {
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return localVariables.get(index);
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}
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else if (<warning descr="Condition 'index < 0' is always 'false'">index < 0</warning>) {
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throw new IndexOutOfBoundsException();
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}
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else return "";
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}
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void testSetFirst(TreeSet<Integer> set) {
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if (set.first() == 0 && <warning descr="Condition 'set.size() > 0' is always 'true' when reached">set.size() > 0</warning>) {
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System.out.println("Impossible");
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}
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}
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void testMap(HashMap<String, Integer> map) {
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if(<warning descr="Condition 'map.isEmpty() && map.containsKey(\"xyz\")' is always 'false'">map.isEmpty() && <warning descr="Condition 'map.containsKey(\"xyz\")' is always 'false' when reached">map.containsKey("xyz")</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testMapContainsValue(TreeMap<String, Integer> map) {
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if(<warning descr="Condition 'map.containsValue(1) && map.size() < 1' is always 'false'">map.containsValue(1) && <warning descr="Condition 'map.size() < 1' is always 'false' when reached">map.size() < 1</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testMapEquals(Map<String, String> map, Map<String, String> otherMap) {
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if(<warning descr="Condition 'map.isEmpty() && otherMap.equals(map) && otherMap.containsValue(\"xyz\")' is always 'false'">map.isEmpty() && otherMap.equals(map) && <warning descr="Condition 'otherMap.containsValue(\"xyz\")' is always 'false'">otherMap.containsValue("xyz")</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testListIndexOf(List<String> list) {
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if(<warning descr="Condition 'list.size() == 10 && list.indexOf(\"xyz\") == 15' is always 'false'">list.size() == 10 && <warning descr="Condition 'list.indexOf(\"xyz\") == 15' is always 'false' when reached">list.indexOf("xyz") == 15</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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void testGetUnknown(List<String> list, int index) {
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if(<warning descr="Condition 'list.get(index).isEmpty() && list.isEmpty()' is always 'false'">list.get(index).isEmpty() && <warning descr="Condition 'list.isEmpty()' is always 'false' when reached">list.isEmpty()</warning></warning>) {
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System.out.println("Impossible");
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}
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}
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}
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