org.springframework.expression.Expression.getValueTypeDescriptor()

@Test
public void indexIntoGenericPropertyContainingGrowingList() {
    List<String> property = new ArrayList<>();
    this.property = property;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException ex) {
        replacedertTrue(ex.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void indexIntoPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.parameterizedList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedList");
    replacedertEquals("java.util.ArrayList<java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedList[0]");
    replacedertEquals(3, expression.getValue(this));
}

@Test
public void indexIntoGenericPropertyContainingNullList() {
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.lang.Object", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException ex) {
        replacedertTrue(ex.getMessage().startsWith("EL1027E"));
    }
}

@Test
public void indexIntoGenericPropertyContainingList() {
    List<String> property = new ArrayList<>();
    property.add("bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    replacedertEquals("bar", expression.getValue(this));
}

@Test
public void indexIntoGenericPropertyContainingMapObject() {
    Map<String, Map<String, String>> property = new HashMap<>();
    Map<String, String> map = new HashMap<>();
    map.put("foo", "bar");
    property.put("property", map);
    SpelExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.addPropertyAccessor(new MapAccessor());
    context.setRootObject(property);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(context).toString());
    replacedertEquals(map, expression.getValue(context));
    replacedertEquals(map, expression.getValue(context, Map.clreplaced));
    expression = parser.parseExpression("property['foo']");
    replacedertEquals("bar", expression.getValue(context));
}

@Test
public void resolveCollectionElementTypeNull() {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listNotGeneric");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.List<?>", expression.getValueTypeDescriptor(this).toString());
}

@Test
public void emptyList() {
    listOfScalarNotGeneric = new ArrayList();
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listOfScalarNotGeneric");
    replacedertEquals("java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals("", expression.getValue(this, String.clreplaced));
}

@Test
public void indexIntoGenericPropertyContainingArray() {
    String[] property = new String[] { "bar" };
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.lang.String[]", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    replacedertEquals("bar", expression.getValue(this));
}

@Test
public void indexIntoGenericPropertyContainingGrowingList2() {
    List<String> property2 = new ArrayList<>();
    this.property2 = property2;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property2");
    replacedertEquals("java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property2, expression.getValue(this));
    expression = parser.parseExpression("property2[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException ex) {
        replacedertTrue(ex.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void indexIntoGenericPropertyContainingMap() {
    Map<String, String> property = new HashMap<>();
    property.put("foo", "bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    replacedertEquals(property, expression.getValue(this, Map.clreplaced));
    expression = parser.parseExpression("property['foo']");
    replacedertEquals("bar", expression.getValue(this));
}

@Test
public void indexIntoPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.parameterizedList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedList");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.ArrayList<java.lang.Integer>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("parameterizedList[0]");
    replacedertThat(expression.getValue(this)).isEqualTo(3);
}

@Test
public void indexIntoGenericPropertyContainingList() {
    List<String> property = new ArrayList<>();
    property.add("bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    replacedertThat(expression.getValue(this)).isEqualTo("bar");
}

@Test
public void resolveCollectionElementTypeNull() {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listNotGeneric");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.List<?>");
}

@Test
public void indexIntoGenericPropertyContainingGrowingList2() {
    List<String> property2 = new ArrayList<>();
    this.property2 = property2;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property2");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property2);
    expression = parser.parseExpression("property2[0]");
    try {
        replacedertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        replacedertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}

@Test
public void indexIntoGenericPropertyContainingNullList() {
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.lang.Object");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        replacedertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        replacedertThat(ex.getMessage().startsWith("EL1027E")).isTrue();
    }
}

@Test
public void indexIntoGenericPropertyContainingGrowingList() {
    List<String> property = new ArrayList<>();
    this.property = property;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        replacedertThat(expression.getValue(this)).isEqualTo("bar");
    } catch (EvaluationException ex) {
        replacedertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}

@Test
public void indexIntoGenericPropertyContainingArray() {
    String[] property = new String[] { "bar" };
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.lang.String[]");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    replacedertThat(expression.getValue(this)).isEqualTo("bar");
}

@Test
public void emptyList() {
    listOfScalarNotGeneric = new ArrayList();
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listOfScalarNotGeneric");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this, String.clreplaced)).isEqualTo("");
}

@Test
public void indexIntoGenericPropertyContainingNullList() {
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.lang.Object", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException e) {
        replacedertTrue(e.getMessage().startsWith("EL1027E"));
    }
}

@Test
public void indexIntoPropertyContainingList() {
    List<Integer> property = new ArrayList<Integer>();
    property.add(3);
    this.parameterizedList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedList");
    replacedertEquals("java.util.ArrayList<java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedList[0]");
    replacedertEquals(3, expression.getValue(this));
}

@Test
public void indexIntoGenericPropertyContainingGrowingList() {
    List<String> property = new ArrayList<String>();
    this.property = property;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException e) {
        replacedertTrue(e.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void indexIntoGenericPropertyContainingMapObject() {
    Map<String, Map<String, String>> property = new HashMap<String, Map<String, String>>();
    Map<String, String> map = new HashMap<String, String>();
    map.put("foo", "bar");
    property.put("property", map);
    SpelExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.addPropertyAccessor(new MapAccessor());
    context.setRootObject(property);
    Expression expression = parser.parseExpression("property");
    replacedertEquals("java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(context).toString());
    replacedertEquals(map, expression.getValue(context));
    replacedertEquals(map, expression.getValue(context, Map.clreplaced));
    expression = parser.parseExpression("property['foo']");
    replacedertEquals("bar", expression.getValue(context));
}

@Test
public void indexIntoGenericPropertyContainingGrowingList2() {
    List<String> property2 = new ArrayList<String>();
    this.property2 = property2;
    SpelParserConfiguration configuration = new SpelParserConfiguration(true, true);
    SpelExpressionParser parser = new SpelExpressionParser(configuration);
    Expression expression = parser.parseExpression("property2");
    replacedertEquals("java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property2, expression.getValue(this));
    expression = parser.parseExpression("property2[0]");
    try {
        replacedertEquals("bar", expression.getValue(this));
    } catch (EvaluationException e) {
        replacedertTrue(e.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void indexIntoGenericPropertyContainingMap() {
    Map<String, String> property = new HashMap<String, String>();
    property.put("foo", "bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    replacedertEquals(property, expression.getValue(this, Map.clreplaced));
    expression = parser.parseExpression("property['foo']");
    replacedertEquals("bar", expression.getValue(this));
}

@Test
public void indexIntoGenericPropertyContainingList() {
    List<String> property = new ArrayList<String>();
    property.add("bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    replacedertEquals("bar", expression.getValue(this));
}

@Test
public void testCompositeStringExpression() throws Exception {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression ex = parser.parseExpression("hello ${'world'}", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    checkString("hello world", ex.getValue());
    checkString("hello world", ex.getValue(String.clreplaced));
    checkString("hello world", ex.getValue((Object) null, String.clreplaced));
    checkString("hello world", ex.getValue(new Rooty()));
    checkString("hello world", ex.getValue(new Rooty(), String.clreplaced));
    EvaluationContext ctx = new StandardEvaluationContext();
    checkString("hello world", ex.getValue(ctx));
    checkString("hello world", ex.getValue(ctx, String.clreplaced));
    checkString("hello world", ex.getValue(ctx, null, String.clreplaced));
    checkString("hello world", ex.getValue(ctx, new Rooty()));
    checkString("hello world", ex.getValue(ctx, new Rooty(), String.clreplaced));
    checkString("hello world", ex.getValue(ctx, new Rooty(), String.clreplaced));
    replacedertEquals("hello ${'world'}", ex.getExpressionString());
    replacedertFalse(ex.isWritable(new StandardEvaluationContext()));
    replacedertFalse(ex.isWritable(new Rooty()));
    replacedertFalse(ex.isWritable(new StandardEvaluationContext(), new Rooty()));
    replacedertEquals(String.clreplaced, ex.getValueType());
    replacedertEquals(String.clreplaced, ex.getValueType(ctx));
    replacedertEquals(String.clreplaced, ex.getValueTypeDescriptor().getType());
    replacedertEquals(String.clreplaced, ex.getValueTypeDescriptor(ctx).getType());
    replacedertEquals(String.clreplaced, ex.getValueType(new Rooty()));
    replacedertEquals(String.clreplaced, ex.getValueType(ctx, new Rooty()));
    replacedertEquals(String.clreplaced, ex.getValueTypeDescriptor(new Rooty()).getType());
    replacedertEquals(String.clreplaced, ex.getValueTypeDescriptor(ctx, new Rooty()).getType());
    try {
        ex.setValue(ctx, null);
        fail();
    } catch (EvaluationException ee) {
    // success
    }
    try {
        ex.setValue((Object) null, null);
        fail();
    } catch (EvaluationException ee) {
    // success
    }
    try {
        ex.setValue(ctx, null, null);
        fail();
    } catch (EvaluationException ee) {
    // success
    }
}

@Test
public void indexIntoPropertyContainingListOfList() {
    List<List<Integer>> property = new ArrayList<>();
    property.add(Arrays.asList(3));
    this.parameterizedListOfList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedListOfList[0]");
    replacedertEquals("java.util.Arrays$ArrayList<java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property.get(0), expression.getValue(this));
    expression = parser.parseExpression("parameterizedListOfList[0][0]");
    replacedertEquals(3, expression.getValue(this));
}

@Test
public void setGenericPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    replacedertEquals(3, expression.getValue(this));
    expression.setValue(this, "4");
    replacedertEquals("4", expression.getValue(this));
}

@SuppressWarnings("unchecked")
@Test
public void resolveMapKeyValueTypes() {
    mapNotGeneric = new HashMap();
    mapNotGeneric.put("baseAmount", 3.11);
    mapNotGeneric.put("bonusAmount", 7.17);
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("mapNotGeneric");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(this).toString());
}

@SuppressWarnings("unchecked")
@Test
public void resolveCollectionElementType() {
    listNotGeneric = new ArrayList(2);
    listNotGeneric.add(5);
    listNotGeneric.add(6);
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listNotGeneric");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals("5,6", expression.getValue(this, String.clreplaced));
}

@Test
public void setPropertyContainingMapAutoGrow() {
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, false));
    Expression expression = parser.parseExpression("parameterizedMap");
    replacedertEquals("java.util.Map<java.lang.Integer, java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedMap['9']");
    replacedertEquals(null, expression.getValue(this));
    expression.setValue(this, "37");
    replacedertEquals(37, expression.getValue(this));
}

@Test
public void setPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.parameterizedList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedList");
    replacedertEquals("java.util.ArrayList<java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedList[0]");
    replacedertEquals(3, expression.getValue(this));
    expression.setValue(this, "4");
    replacedertEquals(4, expression.getValue(this));
}

@Test
public void setPropertyContainingMap() {
    Map<Integer, Integer> property = new HashMap<>();
    property.put(9, 3);
    this.parameterizedMap = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedMap");
    replacedertEquals("java.util.HashMap<java.lang.Integer, java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedMap['9']");
    replacedertEquals(3, expression.getValue(this));
    expression.setValue(this, "37");
    replacedertEquals(37, expression.getValue(this));
}

@Test
public void setGenericPropertyContainingListAutogrow() {
    List<Integer> property = new ArrayList<>();
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        expression.setValue(this, "4");
    } catch (EvaluationException ex) {
        replacedertTrue(ex.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void setGenericPropertyContainingMap() {
    Map<String, String> property = new HashMap<>();
    property.put("foo", "bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property['foo']");
    replacedertEquals("bar", expression.getValue(this));
    expression.setValue(this, "baz");
    replacedertEquals("baz", expression.getValue(this));
}

@Test
public void testCompositeStringExpression() throws Exception {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression ex = parser.parseExpression("hello ${'world'}", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    replacedertThat(ex.getValue()).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue((Object) null, String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(new Rooty())).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(new Rooty(), String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    EvaluationContext ctx = new StandardEvaluationContext();
    replacedertThat(ex.getValue(ctx)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(ctx, String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(ctx, null, String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(ctx, new Rooty())).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(ctx, new Rooty(), String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getValue(ctx, new Rooty(), String.clreplaced)).isInstanceOf(String.clreplaced).isEqualTo("hello world");
    replacedertThat(ex.getExpressionString()).isEqualTo("hello ${'world'}");
    replacedertThat(ex.isWritable(new StandardEvaluationContext())).isFalse();
    replacedertThat(ex.isWritable(new Rooty())).isFalse();
    replacedertThat(ex.isWritable(new StandardEvaluationContext(), new Rooty())).isFalse();
    replacedertThat(ex.getValueType()).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueType(ctx)).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueTypeDescriptor().getType()).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueTypeDescriptor(ctx).getType()).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueType(new Rooty())).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueType(ctx, new Rooty())).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueTypeDescriptor(new Rooty()).getType()).isEqualTo(String.clreplaced);
    replacedertThat(ex.getValueTypeDescriptor(ctx, new Rooty()).getType()).isEqualTo(String.clreplaced);
    replacedertThatExceptionOfType(EvaluationException.clreplaced).isThrownBy(() -> ex.setValue(ctx, null));
    replacedertThatExceptionOfType(EvaluationException.clreplaced).isThrownBy(() -> ex.setValue((Object) null, null));
    replacedertThatExceptionOfType(EvaluationException.clreplaced).isThrownBy(() -> ex.setValue(ctx, null, null));
}

@Test
public void indexIntoPropertyContainingListOfList() {
    List<List<Integer>> property = new ArrayList<>();
    property.add(Arrays.asList(3));
    this.parameterizedListOfList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedListOfList[0]");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.Arrays$ArrayList<java.lang.Integer>");
    replacedertThat(expression.getValue(this)).isEqualTo(property.get(0));
    expression = parser.parseExpression("parameterizedListOfList[0][0]");
    replacedertThat(expression.getValue(this)).isEqualTo(3);
}

@Test
public void setGenericPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    replacedertThat(expression.getValue(this)).isEqualTo(3);
    expression.setValue(this, "4");
    replacedertThat(expression.getValue(this)).isEqualTo("4");
}

@Test
@SuppressWarnings("unchecked")
public void indexIntoGenericPropertyContainingMap() {
    Map<String, String> property = new HashMap<>();
    property.put("foo", "bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    replacedertThat(expression.getValue(this, Map.clreplaced)).isEqualTo(property);
    expression = parser.parseExpression("property['foo']");
    replacedertThat(expression.getValue(this)).isEqualTo("bar");
}

@Test
public void setPropertyContainingMap() {
    Map<Integer, Integer> property = new HashMap<>();
    property.put(9, 3);
    this.parameterizedMap = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedMap");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.HashMap<java.lang.Integer, java.lang.Integer>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("parameterizedMap['9']");
    replacedertThat(expression.getValue(this)).isEqualTo(3);
    expression.setValue(this, "37");
    replacedertThat(expression.getValue(this)).isEqualTo(37);
}

@Test
public void setGenericPropertyContainingMap() {
    Map<String, String> property = new HashMap<>();
    property.put("foo", "bar");
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property['foo']");
    replacedertThat(expression.getValue(this)).isEqualTo("bar");
    expression.setValue(this, "baz");
    replacedertThat(expression.getValue(this)).isEqualTo("baz");
}

@Test
public void setPropertyContainingList() {
    List<Integer> property = new ArrayList<>();
    property.add(3);
    this.parameterizedList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedList");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.ArrayList<java.lang.Integer>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("parameterizedList[0]");
    replacedertThat(expression.getValue(this)).isEqualTo(3);
    expression.setValue(this, "4");
    replacedertThat(expression.getValue(this)).isEqualTo(4);
}

@Test
public void setGenericPropertyContainingListAutogrow() {
    List<Integer> property = new ArrayList<>();
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("property[0]");
    try {
        expression.setValue(this, "4");
    } catch (EvaluationException ex) {
        replacedertThat(ex.getMessage().startsWith("EL1053E")).isTrue();
    }
}

@Test
@SuppressWarnings("unchecked")
public void indexIntoGenericPropertyContainingMapObject() {
    Map<String, Map<String, String>> property = new HashMap<>();
    Map<String, String> map = new HashMap<>();
    map.put("foo", "bar");
    property.put("property", map);
    SpelExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.addPropertyAccessor(new MapAccessor());
    context.setRootObject(property);
    Expression expression = parser.parseExpression("property");
    replacedertThat(expression.getValueTypeDescriptor(context).toString()).isEqualTo("java.util.HashMap<?, ?>");
    replacedertThat(expression.getValue(context)).isEqualTo(map);
    replacedertThat(expression.getValue(context, Map.clreplaced)).isEqualTo(map);
    expression = parser.parseExpression("property['foo']");
    replacedertThat(expression.getValue(context)).isEqualTo("bar");
}

@SuppressWarnings("unchecked")
@Test
public void resolveMapKeyValueTypes() {
    mapNotGeneric = new HashMap();
    mapNotGeneric.put("baseAmount", 3.11);
    mapNotGeneric.put("bonusAmount", 7.17);
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("mapNotGeneric");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.HashMap<?, ?>");
}

@SuppressWarnings("unchecked")
@Test
public void resolveCollectionElementType() {
    listNotGeneric = new ArrayList(2);
    listNotGeneric.add(5);
    listNotGeneric.add(6);
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("listNotGeneric");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>");
    replacedertThat(expression.getValue(this, String.clreplaced)).isEqualTo("5,6");
}

@Test
public void setPropertyContainingMapAutoGrow() {
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, false));
    Expression expression = parser.parseExpression("parameterizedMap");
    replacedertThat(expression.getValueTypeDescriptor(this).toString()).isEqualTo("java.util.Map<java.lang.Integer, java.lang.Integer>");
    replacedertThat(expression.getValue(this)).isEqualTo(property);
    expression = parser.parseExpression("parameterizedMap['9']");
    replacedertThat(expression.getValue(this)).isEqualTo(null);
    expression.setValue(this, "37");
    replacedertThat(expression.getValue(this)).isEqualTo(37);
}

@Test
public void setPropertyContainingMap() {
    Map<Integer, Integer> property = new HashMap<Integer, Integer>();
    property.put(9, 3);
    this.parameterizedMap = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedMap");
    replacedertEquals("java.util.HashMap<java.lang.Integer, java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("parameterizedMap['9']");
    replacedertEquals(3, expression.getValue(this));
    expression.setValue(this, "37");
    replacedertEquals(37, expression.getValue(this));
}

@Test
public void setGenericPropertyContainingListAutogrow() {
    List<Integer> property = new ArrayList<Integer>();
    this.property = property;
    SpelExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression expression = parser.parseExpression("property");
    replacedertEquals("@org.springframework.expression.spel.IndexingTests$FieldAnnotation java.util.ArrayList<?>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property, expression.getValue(this));
    expression = parser.parseExpression("property[0]");
    try {
        expression.setValue(this, "4");
    } catch (EvaluationException e) {
        replacedertTrue(e.getMessage().startsWith("EL1053E"));
    }
}

@Test
public void indexIntoPropertyContainingListOfList() {
    List<List<Integer>> property = new ArrayList<List<Integer>>();
    property.add(Arrays.asList(3));
    this.parameterizedListOfList = property;
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expression = parser.parseExpression("parameterizedListOfList[0]");
    replacedertEquals("java.util.Arrays$ArrayList<java.lang.Integer>", expression.getValueTypeDescriptor(this).toString());
    replacedertEquals(property.get(0), expression.getValue(this));
    expression = parser.parseExpression("parameterizedListOfList[0][0]");
    replacedertEquals(3, expression.getValue(this));
}

See More Examples