feat(objectionary#86): add failing test

volodya-lombrozo · Jan 16, 2024 · 78b2e71 · 78b2e71
1 parent f879114
commit 78b2e71
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Showing 2 changed files with 26 additions and 2 deletions.
diff --git a/src/test/java/org/eolang/opeo/ast/InvocationTest.java b/src/test/java/org/eolang/opeo/ast/InvocationTest.java
@@ -24,8 +24,10 @@
 package org.eolang.opeo.ast;
 
 import com.jcabi.matchers.XhtmlMatchers;
+import org.eolang.opeo.compilation.HasInstructions;
 import org.hamcrest.MatcherAssert;
 import org.junit.jupiter.api.Test;
+import org.objectweb.asm.Opcodes;
 import org.xembly.ImpossibleModificationException;
 import org.xembly.Transformers;
 import org.xembly.Xembler;
@@ -65,4 +67,24 @@ void transformsToXmir() throws ImpossibleModificationException {
             )
         );
     }
+
+    @Test
+    void transformsToOpcodes() {
+        final String name = "bar";
+        final String constant = "baz";
+        MatcherAssert.assertThat(
+            "Can't transform 'invocation' to correct opcodes",
+            new OpcodeNodes(new Invocation(new This(), name, new Literal(constant))).opcodes(),
+            new HasInstructions(
+                new HasInstructions.Instruction(Opcodes.ALOAD, 0),
+                new HasInstructions.Instruction(Opcodes.LDC, constant),
+                new HasInstructions.Instruction(
+                    Opcodes.INVOKEVIRTUAL,
+                    "???owner???",
+                    name,
+                    "(Ljava/lang/String;)Ljava/lang/String;"
+                )
+            )
+        );
+    }
 }
diff --git a/src/test/java/org/eolang/opeo/compilation/HasInstructions.java b/src/test/java/org/eolang/opeo/compilation/HasInstructions.java
@@ -160,10 +160,12 @@ private boolean verifyOperands(final XmlNode node, final int index) {
                 if (!operand.equals(expected)) {
                     this.warnings.add(
                         String.format(
-                            "Bytecode instruction at %d index should have opcode with operands %s but got %s instead",
+                            "Bytecode instruction at %d index should have opcode with operands %s but got %s instead, ('%s' != '%s')",
                             index,
                             operand,
-                            expected
+                            expected,
+                            new HexString(operand.text()).decode(),
+                            new HexString(expected.text()).decode()
                         )
                     );
                     result = false;