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Test cases for testing the exceptional behavior of get, getAsBoolean, getAsDouble, getAsInt, getAsJsonArray, getAsJsonObject, getAsLong, and getAsString methods of JsonArray class. These test cases, which we wrote according to the specified behavior of each method, that helped us in identifying the documentation bugs in JsonArray and JsonElement classes, which we submitted issues for (Issue #1908). Note that we have adapted these test cases based on similar tests from the JSON-java project (https://github.com/stleary/JSON-java).

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HiFromAjay 2021-06-11 10:04:32 -06:00
parent f319c1b8e5
commit 55115a5ca2
1 changed files with 64 additions and 0 deletions
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64
gson/src/test/java/com/google/gson/JsonArrayTest.java
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@ -20,6 +20,9 @@ import junit.framework.TestCase;
import com.google.gson.common.MoreAsserts;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Jesse Wilson
*/
@ -99,4 +102,65 @@ public final class JsonArrayTest extends TestCase {
assertEquals(1, original.get(0).getAsJsonArray().size());
assertEquals(0, copy.get(0).getAsJsonArray().size());
}
public void testFailedGetArrayValues() {
String arrayStr = "[" + "true," + "false," + "\"true\"," + "\"false\"," + "\"hello\"," + "23.45e-4," + "\"23.45\"," + "42," + "\"43\"," + "[" + "\"world\"" + "]," + "{" + "\"key1\":\"value1\"," + "\"key2\":\"value2\"," + "\"key3\":\"value3\"," + "\"key4\":\"value4\"" + "}," + "0," + "\"-1\"" + "]";
JsonArray jsonArray = (JsonArray) JsonParser.parseString(arrayStr);
try {
jsonArray.get(10).getAsBoolean();
assertTrue("expected getBoolean to fail", false);
} catch (UnsupportedOperationException e) {
assertEquals("Expected an exception message",
"JsonObject",e.getMessage());
}
try {
jsonArray.get(-1);
assertTrue("expected get to fail", false);
} catch (IndexOutOfBoundsException e) {
assertEquals("Expected an exception message",
"Index -1 out of bounds for length 13",e.getMessage());
}
try {
jsonArray.get(4).getAsDouble();
assertTrue("expected getDouble to fail", false);
} catch (NumberFormatException e) {
assertEquals("Expected an exception message",
"For input string: \"hello\"",e.getMessage());
}
try {
jsonArray.get(4).getAsInt();
assertTrue("expected getInt to fail", false);
} catch (NumberFormatException e) {
assertEquals("Expected an exception message",
"For input string: \"hello\"",e.getMessage());
}
try {
jsonArray.get(4).getAsJsonArray();
assertTrue("expected getJSONArray to fail", false);
} catch (IllegalStateException e) {
assertEquals("Expected an exception message",
"Not a JSON Array: \"hello\"",e.getMessage());
}
try {
jsonArray.get(4).getAsJsonObject();
assertTrue("expected getJSONObject to fail", false);
} catch (IllegalStateException e) {
assertEquals("Expected an exception message",
"Not a JSON Object: \"hello\"",e.getMessage());
}
try {
jsonArray.get(4).getAsLong();
assertTrue("expected getLong to fail", false);
} catch (NumberFormatException e) {
assertEquals("Expected an exception message",
"For input string: \"hello\"",e.getMessage());
}
try {
jsonArray.get(10).getAsString();
assertTrue("expected getString to fail", false);
} catch (UnsupportedOperationException e) {
assertEquals("Expected an exception message",
"JsonObject",e.getMessage());
}
}
}