Test class parser

zxh0 · Oct 6, 2019 · 271576f · 271576f
1 parent 53d8ec7
commit 271576f
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Showing 8 changed files with 67 additions and 6 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,9 +1,9 @@
-.gradle
-build
-
 .DS_Store
-*.swp
 
-/java
+.idea
+.gradle
 
-.idea
+build
+out
+myjre
+/java
diff --git a/classfile/class_test.go b/classfile/class_test.go
@@ -0,0 +1,37 @@
+package classfile
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestJava8HW(t *testing.T) {
+	bytes, err := ioutil.ReadFile("../test/testdata/java8/HelloWorld.class")
+	require.NoError(t, err)
+
+	cf, err := Parse(bytes)
+	require.NoError(t, err)
+	require.Equal(t, uint16(52), cf.MajorVersion)
+	require.Equal(t, uint16(0), cf.MinorVersion)
+	require.Equal(t, 34, len(cf.ConstantPool))
+	require.Equal(t, uint16(0x21), cf.AccessFlags)
+	require.Equal(t, "HelloWorld", cf.GetThisClassName())
+	require.Equal(t, "java/lang/Object", cf.GetSuperClassName())
+	require.Equal(t, []string{}, cf.GetInterfaceNames())
+	require.Equal(t, 0, len(cf.Fields))
+	require.Equal(t, 2, len(cf.Methods))
+	require.Equal(t, 1, len(cf.AttributeTable.attributes))
+	require.Equal(t, "HelloWorld.java", cf.GetUTF8(cf.GetSourceFileIndex()))
+}
+
+func TestJava13HW(t *testing.T) {
+	bytes, err := ioutil.ReadFile("../test/testdata/java13/HelloWorld.class")
+	require.NoError(t, err)
+
+	cf, err := Parse(bytes)
+	require.NoError(t, err)
+	require.Equal(t, uint16(57), cf.MajorVersion)
+	require.Equal(t, uint16(0), cf.MinorVersion)
+}
diff --git a/test/hw_module/src/hello.modules/hello/HelloWorld.java b/test/hw_module/src/hello.modules/hello/HelloWorld.java
@@ -0,0 +1,7 @@
+package hello;
+
+class HelloWorld  {
+    public static void main(String[] args) {
+        System.out.println("Hello, world!");
+    } 
+}
diff --git a/test/hw_module/src/hello.modules/module-info.java b/test/hw_module/src/hello.modules/module-info.java
@@ -0,0 +1,3 @@
+module hello.modules {
+    exports hello;
+}
diff --git a/test/hw_module/test.sh b/test/hw_module/test.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+
+alias javac='~/.sdkman/candidates/java/13.0.0-open/bin/javac'
+alias jlink='~/.sdkman/candidates/java/13.0.0-open/bin/jlink'
+
+javac -version | grep 'javac 13'
+jlink --version | grep 13
+
+OUT=myjre
+rm -rf $OUT
+javac --module-source-path src -d out -m hello.modules
+jlink --module-path out --add-modules hello.modules,java.base --output $OUT
+./$OUT/bin/java -m hello.modules/hello.HelloWorld
diff --git a/test/testdata/java13/HelloWorld.class b/test/testdata/java13/HelloWorld.class
diff --git a/test/testdata/java13/module-info.class b/test/testdata/java13/module-info.class
diff --git a/test/testdata/java8/HelloWorld.class b/test/testdata/java8/HelloWorld.class