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Posted to notifications@freemarker.apache.org by dd...@apache.org on 2017/05/15 21:24:02 UTC

[46/51] [abbrv] [partial] incubator-freemarker git commit: Restructured project so that freemarker-test-utils depends on freemarker-core (and hence can provide common classes for testing templates, and can use utility classes defined in the core). As a c

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretAndEvalTemplateNameTest.java
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diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretAndEvalTemplateNameTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretAndEvalTemplateNameTest.java
new file mode 100644
index 0000000..ff5897f
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretAndEvalTemplateNameTest.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+package org.apache.freemarker.core;
+
+import java.io.IOException;
+
+import org.apache.freemarker.core.templateresolver.impl.StringTemplateLoader;
+import org.apache.freemarker.test.TemplateTest;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+/**
+ * Test template names returned by special variables and relative path resolution in {@code ?interpret}-ed and
+ * {@code ?eval}-ed parts.  
+ */
+public class InterpretAndEvalTemplateNameTest extends TemplateTest {
+    
+    @Test
+    public void testInterpret() throws IOException, TemplateException {
+        for (String getTemplateNames : new String[] {
+                "c=${.current_template_name}, m=${.main_template_name}",
+                "c=${\".current_template_name\"?eval}, m=${\".main_template_name\"?eval}"
+                }) {
+            StringTemplateLoader tl = new StringTemplateLoader();
+            tl.putTemplate(
+                    "main.ftl",
+                    getTemplateNames + " "
+                    + "{<#include 'sub/t.ftl'>}");
+            tl.putTemplate(
+                    "sub/t.ftl",
+                    getTemplateNames + " "
+                    + "i{<@r'" + getTemplateNames + " {<#include \"a.ftl\">'?interpret />}} "
+                    + "i{<@[r'" + getTemplateNames + " {<#include \"a.ftl\">','named_interpreted']?interpret />}}");
+            tl.putTemplate("sub/a.ftl", "In sub/a.ftl, " + getTemplateNames);
+            tl.putTemplate("a.ftl", "In a.ftl");
+
+            setConfiguration(new TestConfigurationBuilder().templateLoader(tl).build());
+            
+            assertOutputForNamed("main.ftl",
+                    "c=main.ftl, m=main.ftl "
+                    + "{"
+                        + "c=sub/t.ftl, m=main.ftl "
+                        + "i{c=sub/t.ftl->anonymous_interpreted, m=main.ftl {In sub/a.ftl, c=sub/a.ftl, m=main.ftl}} "
+                        + "i{c=sub/t.ftl->named_interpreted, m=main.ftl {In sub/a.ftl, c=sub/a.ftl, m=main.ftl}}"
+                    + "}");
+            
+            assertOutputForNamed("sub/t.ftl",
+                    "c=sub/t.ftl, m=sub/t.ftl "
+                    + "i{c=sub/t.ftl->anonymous_interpreted, m=sub/t.ftl {In sub/a.ftl, c=sub/a.ftl, m=sub/t.ftl}} "
+                    + "i{c=sub/t.ftl->named_interpreted, m=sub/t.ftl {In sub/a.ftl, c=sub/a.ftl, m=sub/t.ftl}}");
+        }
+    }
+    
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretSettingInheritanceTest.java
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diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretSettingInheritanceTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretSettingInheritanceTest.java
new file mode 100644
index 0000000..2d061d7
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/InterpretSettingInheritanceTest.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+package org.apache.freemarker.core;
+
+import java.io.IOException;
+
+import org.apache.freemarker.test.TemplateTest;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+/**
+ * The {@code interpret} built-in must not consider the settings or established auto-detected syntax of the surrounding
+ * template. It can only depend on the {@link Configuration}.
+ */
+public class InterpretSettingInheritanceTest  extends TemplateTest {
+
+    private static final String FTL_A_S_A = "<#ftl><@'[#if true]s[/#if]<#if true>a</#if>'?interpret />";
+    private static final String FTL_A_A_S = "<#ftl><@'<#if true>a</#if>[#if true]s[/#if]'?interpret />";
+    private static final String FTL_S_S_A = "[#ftl][@'[#if true]s[/#if]<#if true>a</#if>'?interpret /]";
+    private static final String FTL_S_A_S = "[#ftl][@'<#if true>a</#if>[#if true]s[/#if]'?interpret /]";
+    private static final String OUT_S_A_WHEN_SYNTAX_IS_S = "s<#if true>a</#if>";
+    private static final String OUT_S_A_WHEN_SYNTAX_IS_A = "[#if true]s[/#if]a";
+    private static final String OUT_A_S_WHEN_SYNTAX_IS_A = "a[#if true]s[/#if]";
+    private static final String OUT_A_S_WHEN_SYNTAX_IS_S = "<#if true>a</#if>s";
+
+    @Test
+    public void tagSyntaxTest() throws IOException, TemplateException {
+        setConfiguration(new TestConfigurationBuilder()
+                .tagSyntax(ParsingConfiguration.ANGLE_BRACKET_TAG_SYNTAX)
+                .build());
+        assertOutput(FTL_S_A_S, OUT_A_S_WHEN_SYNTAX_IS_A);
+        assertOutput(FTL_S_S_A, OUT_S_A_WHEN_SYNTAX_IS_A);
+        assertOutput(FTL_A_A_S, OUT_A_S_WHEN_SYNTAX_IS_A);
+        assertOutput(FTL_A_S_A, OUT_S_A_WHEN_SYNTAX_IS_A);
+
+        setConfiguration(new TestConfigurationBuilder()
+                .tagSyntax(ParsingConfiguration.SQUARE_BRACKET_TAG_SYNTAX)
+                .build());
+        assertOutput(FTL_S_A_S, OUT_A_S_WHEN_SYNTAX_IS_S);
+        assertOutput(FTL_S_S_A, OUT_S_A_WHEN_SYNTAX_IS_S);
+        assertOutput(FTL_A_A_S, OUT_A_S_WHEN_SYNTAX_IS_S);
+        assertOutput(FTL_A_S_A, OUT_S_A_WHEN_SYNTAX_IS_S);
+
+        setConfiguration(new TestConfigurationBuilder()
+                .tagSyntax(ParsingConfiguration.AUTO_DETECT_TAG_SYNTAX)
+                .build());
+        assertOutput(FTL_S_A_S, OUT_A_S_WHEN_SYNTAX_IS_A);
+        assertOutput(FTL_S_S_A, OUT_S_A_WHEN_SYNTAX_IS_S);
+        assertOutput(FTL_A_A_S, OUT_A_S_WHEN_SYNTAX_IS_A);
+        assertOutput(FTL_A_S_A, OUT_S_A_WHEN_SYNTAX_IS_S);
+        assertOutput("<@'[#ftl]x'?interpret />[#if true]y[/#if]", "x[#if true]y[/#if]");
+    }
+
+    @Test
+    public void whitespaceStrippingTest() throws IOException, TemplateException {
+        Configuration cfg = getConfiguration();
+
+        setConfiguration(new TestConfigurationBuilder()
+                .whitespaceStripping(true)
+                .build());
+        assertOutput("<#assign x = 1>\nX<@'<#assign x = 1>\\nY'?interpret />", "XY");
+        assertOutput("<#ftl stripWhitespace=false><#assign x = 1>\nX<@'<#assign x = 1>\\nY'?interpret />", "\nXY");
+        assertOutput("<#assign x = 1>\nX<@'<#ftl stripWhitespace=false><#assign x = 1>\\nY'?interpret />", "X\nY");
+
+        setConfiguration(new TestConfigurationBuilder()
+                .whitespaceStripping(false)
+                .build());
+        assertOutput("<#assign x = 1>\nX<@'<#assign x = 1>\\nY'?interpret />", "\nX\nY");
+        assertOutput("<#ftl stripWhitespace=true><#assign x = 1>\nX<@'<#assign x = 1>\\nY'?interpret />", "X\nY");
+        assertOutput("<#assign x = 1>\nX<@'<#ftl stripWhitespace=true><#assign x = 1>\\nY'?interpret />", "\nXY");
+    }
+
+    @Test
+    public void evalTest() throws IOException, TemplateException {
+        setConfiguration(new TestConfigurationBuilder()
+                .tagSyntax(ParsingConfiguration.ANGLE_BRACKET_TAG_SYNTAX)
+                .build());
+        assertOutput("<@'\"[#if true]s[/#if]<#if true>a</#if>\"?interpret'?eval />", OUT_S_A_WHEN_SYNTAX_IS_A);
+        assertOutput("[#ftl][@'\"[#if true]s[/#if]<#if true>a</#if>\"?interpret'?eval /]", OUT_S_A_WHEN_SYNTAX_IS_A);
+
+        setConfiguration(new TestConfigurationBuilder()
+                .tagSyntax(ParsingConfiguration.SQUARE_BRACKET_TAG_SYNTAX)
+                .build());
+        assertOutput("[@'\"[#if true]s[/#if]<#if true>a</#if>\"?interpret'?eval /]", OUT_S_A_WHEN_SYNTAX_IS_S);
+        assertOutput("<#ftl><@'\"[#if true]s[/#if]<#if true>a</#if>\"?interpret'?eval />", OUT_S_A_WHEN_SYNTAX_IS_S);
+    }
+    
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/IteratorIssuesTest.java
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diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/IteratorIssuesTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/IteratorIssuesTest.java
new file mode 100644
index 0000000..08fcee2
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/IteratorIssuesTest.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+package org.apache.freemarker.core;
+
+import java.util.Arrays;
+import java.util.Iterator;
+
+import org.apache.freemarker.core.model.impl.DefaultObjectWrapper;
+import org.apache.freemarker.test.TemplateTest;
+import org.junit.Test;
+
+public class IteratorIssuesTest extends TemplateTest {
+
+    private static final DefaultObjectWrapper OW = new DefaultObjectWrapper.Builder(Configuration.VERSION_3_0_0).build();
+
+    private static final String FTL_HAS_CONTENT_AND_LIST
+            = "<#if it?hasContent><#list it as i>${i}</#list><#else>empty</#if>";
+    private static final String OUT_HAS_CONTENT_AND_LIST_ABC = "abc";
+    private static final String OUT_HAS_CONTENT_AND_LIST_EMPTY = "empty";
+
+    private static final String FTL_LIST_AND_HAS_CONTENT
+            = "<#list it as i>${i}${it?hasContent?then('+', '-')}</#list>";
+    private static final String OUT_LIST_AND_HAS_CONTENT_BW_GOOD = "a+b+c-";
+
+    @Test
+    public void testHasContentAndList() throws Exception {
+        addToDataModel("it", OW.wrap(getAbcIt()));
+        assertOutput(FTL_HAS_CONTENT_AND_LIST, OUT_HAS_CONTENT_AND_LIST_ABC);
+
+        addToDataModel("it", OW.wrap(getEmptyIt()));
+        assertOutput(FTL_HAS_CONTENT_AND_LIST, OUT_HAS_CONTENT_AND_LIST_EMPTY);
+    }
+
+    @Test
+    public void testListAndHasContent() throws Exception {
+        addToDataModel("it", OW.wrap(getAbcIt()));
+        assertErrorContains(FTL_LIST_AND_HAS_CONTENT, "can be listed only once");
+    }
+
+    private Iterator getAbcIt() {
+        return Arrays.asList(new String[] { "a", "b", "c" }).iterator();
+    }
+
+    private Iterator getEmptyIt() {
+        return Arrays.asList(new String[] {  }).iterator();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/JavaCCExceptionAsEOFFixTest.java
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diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/JavaCCExceptionAsEOFFixTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/JavaCCExceptionAsEOFFixTest.java
new file mode 100644
index 0000000..0fa3f79
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/JavaCCExceptionAsEOFFixTest.java
@@ -0,0 +1,126 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+package org.apache.freemarker.core;
+
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.io.Reader;
+
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * JavaCC suppresses exceptions thrown by the Reader, silently treating them as EOF. To be precise, JavaCC 3.2 only does
+ * that with {@link IOException}-s, while JavaCC 6 does that for all {@link Exception}-s. This tests FreeMarker's
+ * workaround for this problem.
+ */
+public class JavaCCExceptionAsEOFFixTest {
+
+    public static class FailingReader extends Reader {
+
+        private static final String CONTENT = "abc";
+
+        private final Throwable exceptionToThrow;
+        private int readSoFar;
+
+        protected FailingReader(Throwable exceptionToThrow) {
+            this.exceptionToThrow = exceptionToThrow;
+        }
+
+        @Override
+        public int read() throws IOException {
+            if (readSoFar == CONTENT.length()) {
+                if (exceptionToThrow != null) {
+                    throwException();
+                } else {
+                    return -1;
+                }
+            }
+            return CONTENT.charAt(readSoFar++);
+        }
+
+        private void throwException() throws IOException {
+            if (exceptionToThrow instanceof IOException) {
+                throw (IOException) exceptionToThrow;
+            }
+            if (exceptionToThrow instanceof RuntimeException) {
+                throw (RuntimeException) exceptionToThrow;
+            }
+            if (exceptionToThrow instanceof Error) {
+                throw (Error) exceptionToThrow;
+            }
+            Assert.fail();
+        }
+
+        @Override
+        public void close() throws IOException {
+            // nop
+        }
+
+        @Override
+        public int read(char[] cbuf, int off, int len) throws IOException {
+            for (int i = 0; i < len; i++) {
+                int c = read();
+                if (c == -1) return i == 0 ? -1 : i;
+                cbuf[off + i] = (char) c;
+            }
+            return len;
+        }
+
+    }
+
+    @Test
+    public void testIOException() throws IOException {
+        try {
+            new Template(null, new FailingReader(new IOException("test")), new TestConfigurationBuilder().build());
+            fail();
+        } catch (IOException e) {
+            assertEquals("test", e.getMessage());
+        }
+    }
+
+    @Test
+    public void testRuntimeException() throws IOException {
+        try {
+            new Template(null, new FailingReader(new NullPointerException("test")), new TestConfigurationBuilder().build());
+            fail();
+        } catch (NullPointerException e) {
+            assertEquals("test", e.getMessage());
+        }
+    }
+
+    @Test
+    public void testError() throws IOException {
+        try {
+            new Template(null, new FailingReader(new OutOfMemoryError("test")), new TestConfigurationBuilder().build());
+            fail();
+        } catch (OutOfMemoryError e) {
+            assertEquals("test", e.getMessage());
+        }
+    }
+
+    @Test
+    public void testNoException() throws IOException {
+        Template t = new Template(null, new FailingReader(null), new TestConfigurationBuilder().build());
+        assertEquals("abc", t.toString());
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/ListErrorsTest.java
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diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/ListErrorsTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/ListErrorsTest.java
new file mode 100644
index 0000000..05bac4f
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/ListErrorsTest.java
@@ -0,0 +1,130 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+
+package org.apache.freemarker.core;
+
+import java.io.IOException;
+
+import org.apache.freemarker.core.model.impl.DefaultObjectWrapper;
+import org.apache.freemarker.test.TemplateTest;
+import org.apache.freemarker.test.templatesuite.models.Listables;
+import org.junit.Test;
+
+import com.google.common.collect.ImmutableMap;
+
+public class ListErrorsTest extends TemplateTest {
+    
+    @Test
+    public void testValid() throws IOException, TemplateException {
+        assertOutput("<#list 1..2 as x><#list 3..4>${x}:<#items as x>${x}</#items></#list>;</#list>", "1:34;2:34;");
+        assertOutput("<#list [] as x>${x}<#else><#list 1..2 as x>${x}<#sep>, </#list></#list>", "1, 2");
+        assertOutput("<#macro m>[<#nested 3>]</#macro>"
+                + "<#list 1..2 as x>"
+                + "${x}@${x?index}"
+                + "<@m ; x>"
+                + "${x},"
+                + "<#list 4..4 as x>${x}@${x?index}</#list>"
+                + "</@>"
+                + "${x}@${x?index}; "
+                + "</#list>",
+                "1@0[3,4@0]1@0; 2@1[3,4@0]2@1; ");
+    }
+
+    @Test
+    public void testInvalidItemsParseTime() throws IOException, TemplateException {
+        assertErrorContains("<#items as x>${x}</#items>",
+                "#items", "must be inside", "#list");
+        assertErrorContains("<#list xs><#macro m><#items as x></#items></#macro></#list>",
+                "#items", "must be inside", "#list");
+        assertErrorContains("<#list xs as x><#items as x>${x}</#items></#list>",
+                "#list", "must not have", "#items", "as loopVar");
+        assertErrorContains("<#list xs><#list xs as x><#items as x>${x}</#items></#list></#list>",
+                "#list", "must not have", "#items", "as loopVar");
+        assertErrorContains("<#list xs></#list>",
+                "#list", "must have", "#items", "as loopVar");
+    }
+
+    @Test
+    public void testInvalidSepParseTime() throws IOException, TemplateException {
+        assertErrorContains("<#sep>, </#sep>",
+                "#sep", "must be inside", "#list");
+        assertErrorContains("<#sep>, ",
+                "#sep", "must be inside", "#list");
+        assertErrorContains("<#list xs as x><#else><#sep>, </#list>",
+                "#sep", "must be inside", "#list");
+        assertErrorContains("<#list xs as x><#macro m><#sep>, </#macro></#list>",
+                "#sep", "must be inside", "#list");
+    }
+
+    @Test
+    public void testInvalidItemsRuntime() throws IOException, TemplateException {
+        assertErrorContains("<#list 1..1><#items as x></#items><#items as x></#items></#list>",
+                "#items", "already entered earlier");
+        assertErrorContains("<#list 1..1><#items as x><#items as y>${x}/${y}</#items></#items></#list>",
+                "#items", "Can't nest #items into each other");
+    }
+    
+    @Test
+    public void testInvalidLoopVarBuiltinLHO() {
+        assertErrorContains("<#list foos>${foo?index}</#list>",
+                "?index", "foo", "no loop variable");
+        assertErrorContains("<#list foos as foo></#list>${foo?index}",
+                "?index", "foo" , "no loop variable");
+        assertErrorContains("<#list foos as foo><#macro m>${foo?index}</#macro></#list>",
+                "?index", "foo" , "no loop variable");
+        assertErrorContains("<#list foos as foo><#function f>${foo?index}</#function></#list>",
+                "?index", "foo" , "no loop variable");
+        assertErrorContains("<#list xs as x>${foo?index}</#list>",
+                "?index", "foo" , "no loop variable");
+        assertErrorContains("<#list foos as foo><@m; foo>${foo?index}</@></#list>",
+                "?index", "foo" , "user defined directive");
+        assertErrorContains(
+                "<#list foos as foo><@m; foo><@m; foo>${foo?index}</@></@></#list>",
+                "?index", "foo" , "user defined directive");
+        assertErrorContains(
+                "<#list foos as foo><@m; foo>"
+                + "<#list foos as foo><@m; foo>${foo?index}</@></#list>"
+                + "</@></#list>",
+                "?index", "foo" , "user defined directive");
+    }
+
+    @Test
+    public void testKeyValueSameName() {
+        assertErrorContains("<#list {} as foo, foo></#list>",
+                "key", "value", "both" , "foo");
+    }
+
+    @Test
+    public void testCollectionVersusHash() {
+        assertErrorContains("<#list {} as i></#list>",
+                "as k, v");
+        assertErrorContains("<#list [] as k, v></#list>",
+                "only one loop variable");
+    }
+
+    @Test
+    public void testNonEx2NonStringKey() throws IOException, TemplateException {
+        addToDataModel("m", new Listables.NonEx2MapAdapter(ImmutableMap.of("k1", "v1", 2, "v2"),
+                new DefaultObjectWrapper.Builder(Configuration.VERSION_3_0_0).build()));
+        assertOutput("<#list m?keys as k>${k};</#list>", "k1;2;");
+        assertErrorContains("<#list m as k, v></#list>",
+                "string", "number", ".TemplateHashModelEx2");
+    }
+    
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/MiscErrorMessagesTest.java
----------------------------------------------------------------------
diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/MiscErrorMessagesTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MiscErrorMessagesTest.java
new file mode 100644
index 0000000..1903e05
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MiscErrorMessagesTest.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+
+package org.apache.freemarker.core;
+
+import org.apache.freemarker.core.templateresolver.impl.DefaultTemplateNameFormat;
+import org.apache.freemarker.test.TemplateTest;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+public class MiscErrorMessagesTest extends TemplateTest {
+
+    @Test
+    public void stringIndexOutOfBounds() {
+        assertErrorContains("${'foo'[10]}", "length", "3", "10", "String index out of");
+    }
+    
+    @Test
+    public void wrongTemplateNameFormat() {
+        setConfiguration(new TestConfigurationBuilder().templateNameFormat(DefaultTemplateNameFormat.INSTANCE).build());
+
+        assertErrorContains("<#include 'foo:/bar:baaz'>", "Malformed template name", "':'");
+        assertErrorContains("<#include '../baaz'>", "Malformed template name", "root");
+        assertErrorContains("<#include '\u0000'>", "Malformed template name", "\\u0000");
+    }
+
+    @Test
+    public void numericalKeyHint() {
+        assertErrorContains("${{}[10]}", "[]", "?api");
+    }
+    
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicImportAPIsTest.java
----------------------------------------------------------------------
diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicImportAPIsTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicImportAPIsTest.java
new file mode 100644
index 0000000..5fcee97
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicImportAPIsTest.java
@@ -0,0 +1,104 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+
+package org.apache.freemarker.core;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.List;
+
+import org.apache.freemarker.core.Environment.Namespace;
+import org.apache.freemarker.core.model.TemplateModel;
+import org.apache.freemarker.core.templateresolver.impl.StringTemplateLoader;
+import org.apache.freemarker.core.util._NullWriter;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+/**
+ * These are things that users shouldn't do, but we shouldn't break backward compatibility without knowing about it.
+ */
+public class MistakenlyPublicImportAPIsTest {
+
+    @Test
+    public void testImportCopying() throws IOException, TemplateException {
+        StringTemplateLoader tl = new StringTemplateLoader();
+        tl.putTemplate("imp1", "<#macro m>1</#macro>");
+        tl.putTemplate("imp2", "<#assign x = 2><#macro m>${x}</#macro>");
+
+        Configuration cfg = new TestConfigurationBuilder().templateLoader(tl).build();
+        
+        Template t1 = new Template(null, "<#import 'imp1' as i1><#import 'imp2' as i2>", cfg);
+        List<ASTDirImport> imports = t1.getImports();
+        assertEquals(2, imports.size());
+        
+        {
+            Template t2 = new Template(null, "<@i1.m/><@i2.m/>", cfg);
+            for (ASTDirImport libLoad : imports) {
+                t2.addImport(libLoad);
+            }
+            
+            try {
+                t2.process(null, _NullWriter.INSTANCE);
+                fail();
+            } catch (InvalidReferenceException e) {
+                // Apparenly, it has never worked like this...
+                assertEquals("i1", e.getBlamedExpressionString());
+            }
+        }
+        
+        // It works this way, though it has nothing to do with the problematic API-s: 
+        Environment env = t1.createProcessingEnvironment(null, _NullWriter.INSTANCE);
+        env.process();
+        TemplateModel i1 = env.getVariable("i1");
+        assertThat(i1, instanceOf(Namespace.class));
+        TemplateModel i2 = env.getVariable("i2");
+        assertThat(i2, instanceOf(Namespace.class));
+
+        {
+            Template t2 = new Template(null, "<@i1.m/>", cfg);
+            
+            StringWriter sw = new StringWriter();
+            env = t2.createProcessingEnvironment(null, sw);
+            env.setVariable("i1", i1);
+            
+            env.process();
+            assertEquals("1", sw.toString());
+        }
+
+        {
+            Template t2 = new Template(null, "<@i2.m/>", cfg);
+            
+            StringWriter sw = new StringWriter();
+            env = t2.createProcessingEnvironment(null, sw);
+            env.setVariable("i2", i2);
+            
+            try {
+                env.process();
+                assertEquals("2", sw.toString());
+            } catch (NullPointerException e) {
+                // Expected on 2.3.x, because it won't find the namespace for the macro
+                // [2.4] Fix this "bug"
+            }
+        }
+    }
+    
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicMacroAPIsTest.java
----------------------------------------------------------------------
diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicMacroAPIsTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicMacroAPIsTest.java
new file mode 100644
index 0000000..9c87e61
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/MistakenlyPublicMacroAPIsTest.java
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+
+package org.apache.freemarker.core;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.Map;
+
+import org.apache.freemarker.core.model.TemplateModel;
+import org.apache.freemarker.core.util._NullWriter;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+/**
+ * These are things that users shouldn't do, but we shouldn't break backward compatibility without knowing about it.
+ */
+public class MistakenlyPublicMacroAPIsTest {
+
+    private final Configuration cfg = new TestConfigurationBuilder().build();
+    
+    /**
+     * Getting the macros from one template, and adding them to another.
+     */
+    @Test
+    public void testMacroCopyingExploit() throws IOException, TemplateException {
+        Template tMacros = new Template(null, "<#macro m1>1</#macro><#macro m2>2</#macro>", cfg);
+        Map<String, ASTDirMacro> macros = tMacros.getMacros();
+        
+        Template t = new Template(null,
+                "<@m1/><@m2/><@m3/>"
+                + "<#macro m1>1b</#macro><#macro m3>3b</#macro> "
+                + "<@m1/><@m2/><@m3/>", cfg);
+        t.addMacro(macros.get("m1"));
+        t.addMacro(macros.get("m2"));
+        
+        assertEquals("123b 1b23b", getTemplateOutput(t));
+    }
+
+    @Test
+    public void testMacroCopyingExploitAndNamespaces() throws IOException, TemplateException {
+        Template tMacros = new Template(null, "<#assign x = 0><#macro m1>${x}</#macro>", cfg);
+        Template t = new Template(null, "<#assign x = 1><@m1/>", cfg);
+        t.addMacro((ASTDirMacro) tMacros.getMacros().get("m1"));
+        
+        assertEquals("1", getTemplateOutput(t));
+    }
+
+    @Test
+    public void testMacroCopyingFromFTLVariable() throws IOException, TemplateException {
+        Template tMacros = new Template(null, "<#assign x = 0><#macro m1>${x}</#macro>", cfg);
+        Environment env = tMacros.createProcessingEnvironment(null, _NullWriter.INSTANCE);
+        env.process();
+        TemplateModel m1 = env.getVariable("m1");
+        assertThat(m1, instanceOf(ASTDirMacro.class));
+        
+        Template t = new Template(null, "<#assign x = 1><@m1/>", cfg);
+        t.addMacro((ASTDirMacro) m1);
+        
+        assertEquals("1", getTemplateOutput(t));
+    }
+    
+    private String getTemplateOutput(Template t) throws TemplateException, IOException {
+        StringWriter sw = new StringWriter();
+        t.process(null, sw);
+        return sw.toString();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-freemarker/blob/28a276c8/freemarker-core-test/src/test/java/org/apache/freemarker/core/NewBiObjectWrapperRestrictionTest.java
----------------------------------------------------------------------
diff --git a/freemarker-core-test/src/test/java/org/apache/freemarker/core/NewBiObjectWrapperRestrictionTest.java b/freemarker-core-test/src/test/java/org/apache/freemarker/core/NewBiObjectWrapperRestrictionTest.java
new file mode 100644
index 0000000..506101d
--- /dev/null
+++ b/freemarker-core-test/src/test/java/org/apache/freemarker/core/NewBiObjectWrapperRestrictionTest.java
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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.
+ */
+
+package org.apache.freemarker.core;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.freemarker.core.model.ObjectWrapper;
+import org.apache.freemarker.core.model.TemplateBooleanModel;
+import org.apache.freemarker.core.model.TemplateDateModel;
+import org.apache.freemarker.core.model.TemplateModel;
+import org.apache.freemarker.core.model.TemplateModelAdapter;
+import org.apache.freemarker.core.model.TemplateModelException;
+import org.apache.freemarker.core.model.impl.DefaultObjectWrapper;
+import org.apache.freemarker.core.model.impl.SimpleDate;
+import org.apache.freemarker.core.model.impl.SimpleHash;
+import org.apache.freemarker.core.model.impl.SimpleNumber;
+import org.apache.freemarker.core.model.impl.SimpleScalar;
+import org.apache.freemarker.core.model.impl.SimpleSequence;
+import org.apache.freemarker.test.TemplateTest;
+import org.apache.freemarker.test.TestConfigurationBuilder;
+import org.junit.Test;
+
+public class NewBiObjectWrapperRestrictionTest extends TemplateTest {
+
+    @Override
+    protected Configuration createDefaultConfiguration() throws Exception {
+        return new TestConfigurationBuilder().objectWrapper(new EntirelyCustomObjectWrapper()).build();
+    }
+
+    @Test
+    public void testPositive() throws IOException, TemplateException {
+        assertOutput(
+                "${'org.apache.freemarker.test.templatesuite.models.NewTestModel'?new()}",
+                "default constructor");
+    }
+
+    @Test
+    public void testNegative() {
+        assertErrorContains(
+                "${'org.apache.freemarker.test.templatesuite.models.NewTestModel'?new('s')}",
+                "only supports 0 argument");
+    }
+
+    /**
+     * An object wrapper that doesn't extend {@link DefaultObjectWrapper}.
+     */
+    public static class EntirelyCustomObjectWrapper implements ObjectWrapper {
+
+        @Override
+        public TemplateModel wrap(Object obj) throws TemplateModelException {
+            if (obj == null) {
+                return null;
+            }
+
+            if (obj instanceof TemplateModel) {
+                return (TemplateModel) obj;
+            }
+            if (obj instanceof TemplateModelAdapter) {
+                return ((TemplateModelAdapter) obj).getTemplateModel();
+            }
+
+            if (obj instanceof String) {
+                return new SimpleScalar((String) obj);
+            }
+            if (obj instanceof Number) {
+                return new SimpleNumber((Number) obj);
+            }
+            if (obj instanceof Boolean) {
+                return obj.equals(Boolean.TRUE) ? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE;
+            }
+            if (obj instanceof java.util.Date) {
+                if (obj instanceof java.sql.Date) {
+                    return new SimpleDate((java.sql.Date) obj);
+                }
+                if (obj instanceof java.sql.Time) {
+                    return new SimpleDate((java.sql.Time) obj);
+                }
+                if (obj instanceof java.sql.Timestamp) {
+                    return new SimpleDate((java.sql.Timestamp) obj);
+                }
+                return new SimpleDate((java.util.Date) obj, TemplateDateModel.UNKNOWN);
+            }
+
+            if (obj.getClass().isArray()) {
+                obj = Arrays.asList((Object[]) obj);
+            }
+            if (obj instanceof Collection) {
+                return new SimpleSequence((Collection<?>) obj, this);
+            }
+            if (obj instanceof Map) {
+                return new SimpleHash((Map<?, ?>) obj, this);
+            }
+
+            return null;
+        }
+    }
+}