#39 fix error message for wrong param with precompiled classes.

casid · Dec 29, 2020 · 8b77e7c · 8b77e7c
1 parent 7aabbd2
commit 8b77e7c
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/jte-runtime-cp-test/src/test/java/gg/jte/TemplateEngineTest.java b/jte-runtime-cp-test/src/test/java/gg/jte/TemplateEngineTest.java
@@ -62,6 +62,12 @@ void params() {
         assertThat(throwable).isInstanceOf(TemplateException.class).hasMessage("No parameter information is available for tag/unused.jte, compile templates with -parameters flag, to use this method.");
     }
 
+    @Test
+    void paramWithWrongType() {
+        Throwable throwable = catchThrowable(() -> templateEngine.render("helloWorld.jte", Map.of("model", "string"), output));
+        assertThat(throwable).isInstanceOf(TemplateException.class).hasMessageContaining("Failed to render helloWorld.jte, error at helloWorld.jte:0");
+    }
+
     private void whenTemplateIsRendered(String templateName) {
         templateEngine.render(templateName, model, output);
     }

diff --git a/jte-runtime/src/main/java/gg/jte/internal/TemplateLoader.java b/jte-runtime/src/main/java/gg/jte/internal/TemplateLoader.java
@@ -50,7 +50,13 @@ public DebugInfo resolveDebugInfo(ClassLoader classLoader, StackTraceElement[] s
 
     private int resolveLineNumber(ClassInfo classInfo, int lineNumber) {
         int[] javaLineToTemplateLine = classInfo.lineInfo;
-        return javaLineToTemplateLine[lineNumber - 1] + 1;
+        int lineIndex = lineNumber - 1;
+
+        if (lineIndex >= javaLineToTemplateLine.length) {
+            return 0;
+        }
+
+        return javaLineToTemplateLine[lineIndex] + 1;
     }
 
     protected TemplateType getTemplateType(String name) {