603 строки
17 KiB
Java
603 строки
17 KiB
Java
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package go;
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import android.test.InstrumentationTestCase;
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import android.test.MoreAsserts;
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import java.util.Arrays;
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import java.util.Random;
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import testpkg.*;
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import secondpkg.Secondpkg;
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public class SeqTest extends InstrumentationTestCase {
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public SeqTest() {
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}
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public void testConst() {
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assertEquals("const String", "a string", Testpkg.AString);
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assertEquals("const Int", 7, Testpkg.AnInt);
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assertEquals("const Bool", true, Testpkg.ABool);
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assertEquals("const Float", 0.12345, Testpkg.AFloat, 0.0001);
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assertEquals("const MinInt32", -1<<31, Testpkg.MinInt32);
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assertEquals("const MaxInt32", (1<<31) - 1, Testpkg.MaxInt32);
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assertEquals("const MinInt64", -1L<<63, Testpkg.MinInt64);
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assertEquals("const MaxInt64", (1L<<63) - 1, Testpkg.MaxInt64);
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assertEquals("const SmallestNonzeroFloat64", 4.940656458412465441765687928682213723651e-324, Testpkg.SmallestNonzeroFloat64, 1e-323);
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assertEquals("const MaxFloat64", 1.797693134862315708145274237317043567981e+308, Testpkg.MaxFloat64, 0.0001);
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assertEquals("const SmallestNonzeroFloat32", 1.401298464324817070923729583289916131280e-45, Testpkg.SmallestNonzeroFloat32, 1e-44);
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assertEquals("const MaxFloat32", 3.40282346638528859811704183484516925440e+38, Testpkg.MaxFloat32, 0.0001);
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assertEquals("const Log2E", 1/0.693147180559945309417232121458176568075500134360255254120680009, Testpkg.Log2E, 0.0001);
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}
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public void testRefMap() {
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// Ensure that the RefMap.live count is kept in sync
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// even a particular reference number is removed and
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// added again
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Seq.RefMap m = new Seq.RefMap();
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Seq.Ref r = new Seq.Ref(1, null);
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m.put(r.refnum, r);
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m.remove(r.refnum);
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m.put(r.refnum, r);
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// Force the RefMap to grow, to activate the sanity
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// checking of the live count in RefMap.grow.
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for (int i = 2; i < 24; i++) {
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m.put(i, new Seq.Ref(i, null));
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}
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}
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public void testVar() {
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assertEquals("var StringVar", "a string var", Testpkg.getStringVar());
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String newStringVar = "a new string var";
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Testpkg.setStringVar(newStringVar);
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assertEquals("var StringVar", newStringVar, Testpkg.getStringVar());
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assertEquals("var IntVar", 77, Testpkg.getIntVar());
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long newIntVar = 777;
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Testpkg.setIntVar(newIntVar);
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assertEquals("var IntVar", newIntVar, Testpkg.getIntVar());
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S s0 = Testpkg.getStructVar();
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assertEquals("var StructVar", "a struct var", s0.string());
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S s1 = Testpkg.new_();
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Testpkg.setStructVar(s1);
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assertEquals("var StructVar", s1.string(), Testpkg.getStructVar().string());
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AnI obj = new AnI();
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obj.name = "this is an I";
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Testpkg.setInterfaceVar(obj);
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assertEquals("var InterfaceVar", obj.string(), Testpkg.getInterfaceVar().string());
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}
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public void testAssets() {
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// Make sure that a valid context is set before reading assets
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Seq.setContext(getInstrumentation().getContext());
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String want = "Hello, Assets.\n";
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String got = Testpkg.readAsset();
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assertEquals("Asset read", want, got);
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}
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public void testAdd() {
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long res = Testpkg.add(3, 4);
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assertEquals("Unexpected arithmetic failure", 7, res);
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}
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public void testBool() {
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assertTrue(Testpkg.negate(false));
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assertFalse(Testpkg.negate(true));
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}
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public void testShortString() {
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String want = "a short string";
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String got = Testpkg.strDup(want);
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assertEquals("Strings should match", want, got);
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want = "";
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got = Testpkg.strDup(want);
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assertEquals("Strings should match (empty string)", want, got);
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got = Testpkg.strDup(null);
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assertEquals("Strings should match (null string)", want, got);
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}
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public void testLongString() {
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StringBuilder b = new StringBuilder();
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for (int i = 0; i < 128*1024; i++) {
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b.append("0123456789");
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}
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String want = b.toString();
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String got = Testpkg.strDup(want);
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assertEquals("Strings should match", want, got);
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}
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public void testUnicode() {
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String[] tests = new String[]{
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"abcxyz09{}",
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"Hello, 世界",
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"\uffff\uD800\uDC00\uD800\uDC01\uD808\uDF45\uDBFF\uDFFF",
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// From Go std lib tests in unicode/utf16/utf16_test.go
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"\u0001\u0002\u0003\u0004",
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"\uffff\ud800\udc00\ud800\udc01\ud808\udf45\udbff\udfff",
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"\ud800a",
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"\udfff"
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};
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String[] wants = new String[]{
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"abcxyz09{}",
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"Hello, 世界",
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"\uffff\uD800\uDC00\uD800\uDC01\uD808\uDF45\uDBFF\uDFFF",
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"\u0001\u0002\u0003\u0004",
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"\uffff\ud800\udc00\ud800\udc01\ud808\udf45\udbff\udfff",
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"\ufffda",
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"\ufffd"
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};
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for (int i = 0; i < tests.length; i++) {
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String got = Testpkg.strDup(tests[i]);
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String want = wants[i];
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assertEquals("Strings should match", want, got);
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}
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}
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public void testNilErr() throws Exception {
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Testpkg.err(null); // returns nil, no exception
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}
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public void testErr() {
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String msg = "Go errors are dropped into the confusing space of exceptions";
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try {
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Testpkg.err(msg);
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fail("expected non-nil error to be turned into an exception");
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} catch (Exception e) {
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assertEquals("messages should match", msg, e.getMessage());
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}
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}
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public void testByteArray() {
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for (int i = 0; i < 2048; i++) {
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if (i == 0) {
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byte[] got = Testpkg.bytesAppend(null, null);
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assertEquals("Bytes(null+null) should match", (byte[])null, got);
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got = Testpkg.bytesAppend(new byte[0], new byte[0]);
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assertEquals("Bytes(empty+empty) should match", (byte[])null, got);
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continue;
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}
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byte[] want = new byte[i];
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new Random().nextBytes(want);
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byte[] s1 = null;
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byte[] s2 = null;
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if (i > 0) {
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s1 = Arrays.copyOfRange(want, 0, 1);
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}
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if (i > 1) {
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s2 = Arrays.copyOfRange(want, 1, i);
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}
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byte[] got = Testpkg.bytesAppend(s1, s2);
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MoreAsserts.assertEquals("Bytes(len="+i+") should match", want, got);
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}
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}
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// Test for golang.org/issue/9486.
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public void testByteArrayAfterString() {
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byte[] bytes = new byte[1024];
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for (int i=0; i < bytes.length; i++) {
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bytes[i] = 8;
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}
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String stuff = "stuff";
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byte[] got = Testpkg.appendToString(stuff, bytes);
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try {
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byte[] s = stuff.getBytes("UTF-8");
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byte[] want = new byte[s.length + bytes.length];
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System.arraycopy(s, 0, want, 0, s.length);
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System.arraycopy(bytes, 0, want, s.length, bytes.length);
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MoreAsserts.assertEquals("Bytes should match", want, got);
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} catch (Exception e) {
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fail("Cannot perform the test: " + e.toString());
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}
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}
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public void testGoRefGC() {
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S s = Testpkg.new_();
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runGC();
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long collected = Testpkg.numSCollected();
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assertEquals("Only S should be pinned", 0, collected);
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s = null;
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runGC();
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collected = Testpkg.numSCollected();
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assertEquals("S should be collected", 1, collected);
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}
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private class AnI implements I {
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public void e() throws Exception {
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throw new Exception("my exception from E");
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}
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boolean calledF;
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public void f() {
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calledF = true;
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}
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public I i() {
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return this;
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}
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public S s() {
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return Testpkg.new_();
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}
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public String stoString(S s) {
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return s.string();
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}
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public long v() {
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return 1234;
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}
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public long ve() throws Exception {
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throw new Exception("my exception from VE");
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}
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public String name;
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public String string() {
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return name;
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}
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}
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// TODO(hyangah): add tests for methods that take parameters.
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public void testInterfaceMethodReturnsError() {
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final AnI obj = new AnI();
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try {
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Testpkg.callE(obj);
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fail("Expecting exception but none was thrown.");
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} catch (Exception e) {
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assertEquals("Error messages should match", "my exception from E", e.getMessage());
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}
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}
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public void testInterfaceMethodVoid() {
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final AnI obj = new AnI();
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Testpkg.callF(obj);
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assertTrue("Want AnI.F to be called", obj.calledF);
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}
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public void testInterfaceMethodReturnsInterface() {
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AnI obj = new AnI();
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obj.name = "testing AnI.I";
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I i = Testpkg.callI(obj);
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assertEquals("Want AnI.I to return itself", i.string(), obj.string());
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runGC();
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i = Testpkg.callI(obj);
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assertEquals("Want AnI.I to return itself", i.string(), obj.string());
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}
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public void testInterfaceMethodReturnsStructPointer() {
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final AnI obj = new AnI();
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for (int i = 0; i < 5; i++) {
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S s = Testpkg.callS(obj);
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runGC();
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}
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}
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public void testInterfaceMethodTakesStructPointer() {
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final AnI obj = new AnI();
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S s = Testpkg.callS(obj);
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String got = obj.stoString(s);
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String want = s.string();
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assertEquals("Want AnI.StoString(s) to call s's String", want, got);
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}
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public void testInterfaceMethodReturnsInt() {
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final AnI obj = new AnI();
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assertEquals("Values must match", 1234, Testpkg.callV(obj));
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}
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public void testInterfaceMethodReturnsIntOrError() {
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final AnI obj = new AnI();
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try {
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long v = Testpkg.callVE(obj);
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fail("Expecting exception but none was thrown and got value " + v);
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} catch (Exception e) {
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assertEquals("Error messages should match", "my exception from VE", e.getMessage());
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}
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}
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boolean finalizedAnI;
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private class AnI_Traced extends AnI {
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@Override
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public void finalize() throws Throwable {
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finalizedAnI = true;
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super.finalize();
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}
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}
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public void testJavaRefKeep() {
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finalizedAnI = false;
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AnI obj = new AnI_Traced();
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Testpkg.callF(obj);
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assertTrue("want F to be called", obj.calledF);
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Testpkg.callF(obj);
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obj = null;
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int attempts = 0;
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while (true) {
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runGC();
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if (finalizedAnI)
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break;
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attempts++;
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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if (attempts >= 10)
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fail("want obj not to be kept by Go; tried " + attempts + " garbage collections.");
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}
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finalizedAnI = false;
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obj = new AnI_Traced();
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Testpkg.keep(obj);
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obj = null;
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runGC();
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assertFalse("want obj to be kept live by Go", finalizedAnI);
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}
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private int countI = 0;
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private class CountI implements I {
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public void f() { countI++; }
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public void e() throws Exception {}
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public I i() { return null; }
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public S s() { return null; }
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public String stoString(S s) { return ""; }
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public long v() { return 0; }
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public long ve() throws Exception { return 0; }
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public String string() { return ""; }
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}
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public void testGoRefMapGrow() {
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CountI obj = new CountI();
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Testpkg.keep(obj);
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// Push active references beyond base map size.
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for (int i = 0; i < 24; i++) {
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CountI o = new CountI();
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Testpkg.callF(o);
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if (i%3==0) {
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Testpkg.keep(o);
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}
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}
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runGC();
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for (int i = 0; i < 128; i++) {
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Testpkg.callF(new CountI());
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}
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Testpkg.callF(obj); // original object needs to work.
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assertEquals(countI, 1+24+128);
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}
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private void runGC() {
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System.gc();
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System.runFinalization();
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Testpkg.gc();
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System.gc();
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System.runFinalization();
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}
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public void testUnnamedParams() {
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final String msg = "1234567";
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assertEquals("want the length of \"1234567\" passed after unnamed params",
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7, Testpkg.unnamedParams(10, 20, msg));
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}
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public void testPointerToStructAsField() {
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Node a = Testpkg.newNode("A");
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Node b = Testpkg.newNode("B");
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a.setNext(b);
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String got = a.string();
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assertEquals("want Node A points to Node B", "A:B:<end>", got);
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}
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public void testImplementsInterface() {
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Interface intf = Testpkg.newConcrete();
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}
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public void testErrorField() {
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Node n = Testpkg.newNode("ErrTest");
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Exception want = new Exception("an error message");
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n.setErr(want);
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Exception got = n.getErr();
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assertTrue("want back the error we set", want == got);
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String msg = Testpkg.errorMessage(want);
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assertEquals("the error message must match", want.getMessage(), msg);
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}
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public void testErrorDup() {
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Exception err = Testpkg.getGlobalErr();
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assertTrue("the Go error instance must preserve its identity", Testpkg.isGlobalErr(err));
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assertEquals("the Go error message must be preserved", "global err", err.getMessage());
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}
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//test if we have JNI local reference table overflow error
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public void testLocalReferenceOverflow() {
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Testpkg.callWithCallback(new GoCallback() {
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@Override
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public void varUpdate() {
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//do nothing
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}
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});
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}
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public void testNullReferences() {
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assertTrue(Testpkg.callWithNull(null, new NullTest() {
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public NullTest null_() {
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return null;
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}
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}));
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assertEquals("Go nil interface is null", null, Testpkg.newNullInterface());
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assertEquals("Go nil struct pointer is null", null, Testpkg.newNullStruct());
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Issue20330 nullArger = new Issue20330();
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assertTrue(nullArger.callWithNull(null));
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}
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public void testPassByteArray() {
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Testpkg.passByteArray(new B() {
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@Override public void b(byte[] b) {
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byte[] want = new byte[]{1, 2, 3, 4};
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MoreAsserts.assertEquals("bytes should match", want, b);
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}
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});
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}
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public void testReader() {
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byte[] b = new byte[8];
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try {
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long n = Testpkg.readIntoByteArray(b);
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assertEquals("wrote to the entire byte array", b.length, n);
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byte[] want = new byte[b.length];
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for (int i = 0; i < want.length; i++)
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want[i] = (byte)i;
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MoreAsserts.assertEquals("bytes should match", want, b);
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} catch (Exception e) {
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fail("Failed to write: " + e.toString());
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}
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}
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public void testGoroutineCallback() {
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Testpkg.goroutineCallback(new Receiver() {
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@Override public void hello(String msg) {
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}
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});
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}
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public void testImportedPkg() {
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Testpkg.callImportedI(new secondpkg.I() {
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@Override public long f(long i) {
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return i;
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}
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});
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assertEquals("imported string should match", Secondpkg.HelloString, Secondpkg.hello());
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secondpkg.I i = Testpkg.newImportedI();
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secondpkg.S s = Testpkg.newImportedS();
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i = Testpkg.getImportedVarI();
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s = Testpkg.getImportedVarS();
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assertEquals("numbers should match", 8, i.f(8));
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assertEquals("numbers should match", 8, s.f(8));
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Testpkg.setImportedVarI(i);
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Testpkg.setImportedVarS(s);
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ImportedFields fields = Testpkg.newImportedFields();
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i = fields.getI();
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s = fields.getS();
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fields.setI(i);
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fields.setS(s);
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Testpkg.withImportedI(i);
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Testpkg.withImportedS(s);
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secondpkg.IF f = new AnI();
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f = Testpkg.new_();
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secondpkg.Ser ser = Testpkg.newSer();
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}
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public void testRoundtripEquality() {
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I want = new AnI();
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assertTrue("java object passed through Go should not be wrapped", want == Testpkg.iDup(want));
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InterfaceDupper idup = new InterfaceDupper(){
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@Override public Interface iDup(Interface i) {
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return i;
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}
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};
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assertTrue("Go interface passed through Java should not be wrapped", Testpkg.callIDupper(idup));
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ConcreteDupper cdup = new ConcreteDupper(){
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@Override public Concrete cDup(Concrete c) {
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return c;
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}
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};
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assertTrue("Go struct passed through Java should not be wrapped", Testpkg.callCDupper(cdup));
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}
|
|
|
|
public void testConstructor() {
|
|
Interface i = new Concrete();
|
|
i.f();
|
|
|
|
S2 s = new S2(1, 2);
|
|
assertEquals("new S2().sum", 3.0, s.sum());
|
|
assertEquals("new S2().tryTwoStrings", "gostring", s.tryTwoStrings("go", "string"));
|
|
|
|
new S3();
|
|
|
|
S4 s4 = new S4(123);
|
|
assertEquals("Constructor argument", 123, s4.getI());
|
|
|
|
s4 = new S4(123.456);
|
|
assertEquals("Overloaded constructor argument", 123, s4.getI());
|
|
|
|
s4 = new S4(false);
|
|
assertEquals("Exceptional constructor", 0, s4.getI());
|
|
|
|
try {
|
|
s4 = new S4(true);
|
|
fail("Constructor error wasn't caught");
|
|
} catch (Exception e) {
|
|
}
|
|
}
|
|
|
|
public void testEmptyError() {
|
|
try {
|
|
Testpkg.emptyError();
|
|
fail("Empty error wasn't caught");
|
|
} catch (Exception e) {
|
|
}
|
|
EmptyErrorer empty = new EmptyErrorer() {
|
|
@Override public void emptyError() throws Exception {
|
|
throw new Exception("");
|
|
}
|
|
};
|
|
try {
|
|
Testpkg.callEmptyError(empty);
|
|
fail("Empty exception wasn't caught");
|
|
} catch (Exception e) {
|
|
}
|
|
}
|
|
|
|
public void testInitCaller() {
|
|
Testpkg.init();
|
|
|
|
InitCaller initer = Testpkg.newInitCaller();
|
|
initer.init();
|
|
}
|
|
|
|
public void testSIGPIPE() {
|
|
Testpkg.testSIGPIPE();
|
|
}
|
|
|
|
public void testTags() {
|
|
assertEquals("Constant from a tagged file", 42, Testpkg.TaggedConst);
|
|
}
|
|
|
|
public void testClassNameWithPackageName() {
|
|
testpkg.Testpkg_ o = new secondpkg.Secondpkg_();
|
|
secondpkg.Secondpkg_ o2 = Secondpkg.newSecondpkg();
|
|
o2.m();
|
|
o2.setV("hi");
|
|
assertEquals(o2.getV(), "hi");
|
|
Testpkg.clashingParameterFromOtherPackage(o2);
|
|
}
|
|
}
|