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/*
* @test
* @key intermittent
* @bug 8081845 8147898 8143955
* @summary Tests for /reload in JShell tool
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jdeps/com.sun.tools.javap
* jdk.jshell/jdk.internal.jshell.tool
* @library /tools/lib
* @build KullaTesting TestingInputStream toolbox.ToolBox Compiler
* @run testng ToolReloadTest
*/
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.function.Function;
import org.testng.annotations.Test;
@Test
public class ToolReloadTest extends ReplToolTesting {
public void testReloadSnippets() {
test(
(a) -> assertVariable(a, "int", "x", "5", "5"),
(a) -> assertMethod(a, "int m(int z) { return z * z; }",
"(int)int", "m"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommand(a, "/reload",
"| Restarting and restoring state.\n" +
"-: int x = 5;\n" +
"-: int m(int z) { return z * z; }\n" +
"-: m(x)\n"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
(a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
);
}
public void testReloadClasspath() {
Function<String,String> prog = (s) -> String.format(
"package pkg; public class A { public String toString() { return \"%s\"; } }\n", s);
Compiler compiler = new Compiler();
Path outDir = Paths.get("testClasspathDirectory");
compiler.compile(outDir, prog.apply("A"));
Path classpath = compiler.getPath(outDir);
test(
(a) -> assertCommand(a, "/classpath " + classpath,
String.format("| Path '%s' added to classpath", classpath)),
(a) -> assertMethod(a, "String foo() { return (new pkg.A()).toString(); }",
"()String", "foo"),
(a) -> assertVariable(a, "String", "v", "foo()", "\"A\""),
(a) -> {
if (!a) compiler.compile(outDir, prog.apply("Aprime"));
assertCommand(a, "/reload",
"| Restarting and restoring state.\n" +
"-: /classpath " + classpath + "\n" +
"-: String foo() { return (new pkg.A()).toString(); }\n" +
"-: String v = foo();\n");
},
(a) -> assertCommand(a, "v", "v ==> \"Aprime\""),
(a) -> evaluateExpression(a, "String", "foo()", "\"Aprime\""),
(a) -> evaluateExpression(a, "pkg.A", "new pkg.A();", "Aprime")
);
}
public void testReloadDrop() {
test(false, new String[]{"--no-startup"},
a -> assertVariable(a, "int", "a"),
a -> dropVariable(a, "/dr 1", "int a = 0", "| dropped variable a"),
a -> assertMethod(a, "int b() { return 0; }", "()I", "b"),
a -> dropMethod(a, "/drop b", "b ()I", "| dropped method b()"),
a -> assertClass(a, "class A {}", "class", "A"),
a -> dropClass(a, "/dr A", "class A", "| dropped class A"),
a -> assertCommand(a, "/reload",
"| Restarting and restoring state.\n" +
"-: int a;\n" +
"-: /drop 1\n" +
"-: int b() { return 0; }\n" +
"-: /drop b\n" +
"-: class A {}\n" +
"-: /drop A\n"),
a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
a -> assertCommandCheckOutput(a, "/types", assertClasses()),
a -> assertCommandCheckOutput(a, "/imports", assertImports())
);
}
public void testReloadQuiet() {
test(false, new String[]{"--no-startup"},
a -> assertVariable(a, "int", "a"),
a -> dropVariable(a, "/dr 1", "int a = 0", "| dropped variable a"),
a -> assertMethod(a, "int b() { return 0; }", "()I", "b"),
a -> dropMethod(a, "/drop b", "b ()I", "| dropped method b()"),
a -> assertClass(a, "class A {}", "class", "A"),
a -> dropClass(a, "/dr A", "class A", "| dropped class A"),
a -> assertCommand(a, "/reload -quiet",
"| Restarting and restoring state."),
a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
a -> assertCommandCheckOutput(a, "/types", assertClasses()),
a -> assertCommandCheckOutput(a, "/imports", assertImports())
);
}
public void testReloadRepeat() {
test(false, new String[]{"--no-startup"},
(a) -> assertVariable(a, "int", "c", "7", "7"),
(a) -> assertCommand(a, "++c", null),
(a) -> assertCommand(a, "/!", null),
(a) -> assertCommand(a, "/2", null),
(a) -> assertCommand(a, "/-1", null),
(a) -> assertCommand(a, "/reload",
"| Restarting and restoring state.\n" +
"-: int c = 7;\n" +
"-: ++c\n" +
"-: ++c\n" +
"-: ++c\n" +
"-: ++c\n"
),
(a) -> assertCommand(a, "c", "c ==> 11"),
(a) -> assertCommand(a, "$4", "$4 ==> 10")
);
}
public void testReloadIgnore() {
test(false, new String[]{"--no-startup"},
(a) -> assertCommand(a, "(-)", null),
(a) -> assertCommand(a, "/list", null),
(a) -> assertCommand(a, "/history", null),
(a) -> assertCommand(a, "/help", null),
(a) -> assertCommand(a, "/vars", null),
(a) -> assertCommand(a, "/save abcd", null),
(a) -> assertCommand(a, "/reload",
"| Restarting and restoring state.")
);
}
public void testReloadResetRestore() {
test(
(a) -> assertVariable(a, "int", "x", "5", "5"),
(a) -> assertMethod(a, "int m(int z) { return z * z; }",
"(int)int", "m"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommand(a, "/reset", "| Resetting state."),
(a) -> assertCommand(a, "/reload -restore",
"| Restarting and restoring from previous state.\n" +
"-: int x = 5;\n" +
"-: int m(int z) { return z * z; }\n" +
"-: m(x)\n"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
(a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
);
}
public void testReloadCrashRestore() {
test(
(a) -> assertVariable(a, "int", "x", "5", "5"),
(a) -> assertMethod(a, "int m(int z) { return z * z; }",
"(int)int", "m"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommand(a, "System.exit(1);",
"| State engine terminated.\n" +
"| Restore definitions with: /reload -restore"),
(a) -> assertCommand(a, "/reload -restore",
"| Restarting and restoring from previous state.\n" +
"-: int x = 5;\n" +
"-: int m(int z) { return z * z; }\n" +
"-: m(x)\n"),
(a) -> evaluateExpression(a, "int", "m(x)", "25"),
(a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
(a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
);
}
public void testReloadExitRestore() {
test(false, new String[]{"--no-startup"},
(a) -> assertVariable(a, "int", "x", "5", "5"),
(a) -> assertMethod(a, "int m(int z) { return z * z; }",
"(int)int", "m"),
(a) -> evaluateExpression(a, "int", "m(x)", "25")
);
test(false, new String[]{"--no-startup"},
(a) -> assertCommand(a, "/reload -restore",
"| Restarting and restoring from previous state.\n" +
"-: int x = 5;\n" +
"-: int m(int z) { return z * z; }\n" +
"-: m(x)\n"),
(a) -> evaluateExpression(a, "int", "m(x)", "25")
);
}
}