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synced 2024-12-22 16:14:10 -08:00
Add some tests for AstWriter
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06a4356543
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@ -341,14 +341,10 @@ public class AstWriter {
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}
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private void print(DoLoop node) throws IOException {
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writer.append("do");
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if (node.getBody() instanceof Block) {
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writer.ws();
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} else {
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writer.append(' ');
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}
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writer.append("do ").ws();
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print(node.getBody());
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writer.append("while").ws().append('(');
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print(node.getCondition());
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writer.append(");");
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}
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@ -372,7 +368,6 @@ public class AstWriter {
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print(node.getCondition());
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writer.append(';');
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print(node.getIncrement());
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writer.append(';');
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writer.append(')').ws();
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print(node.getBody());
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}
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@ -456,8 +451,10 @@ public class AstWriter {
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writer.append(',').ws();
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print(node.getVariables().get(i));
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}
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if (node.isStatement()) {
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writer.append(';');
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}
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}
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private void print(VariableInitializer node) throws IOException {
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print(node.getTarget());
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@ -580,12 +577,12 @@ public class AstWriter {
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}
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private void print(NumberLiteral node) throws IOException {
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writer.append(node.getNumber());
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writer.append(node.getValue());
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}
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private void print(StringLiteral node) throws IOException {
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writer.append(node.getQuoteCharacter());
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writer.append(ScriptRuntime.escapeString(node.getString(), node.getQuoteCharacter()));
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writer.append(ScriptRuntime.escapeString(node.getValue(), node.getQuoteCharacter()));
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writer.append(node.getQuoteCharacter());
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}
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@ -20,6 +20,7 @@ import static org.junit.Assert.*;
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import java.io.IOException;
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import java.io.StringReader;
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import org.junit.Test;
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import org.junit.experimental.theories.suppliers.TestedOn;
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import org.mozilla.javascript.CompilerEnvirons;
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import org.mozilla.javascript.ast.AstRoot;
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import org.teavm.codegen.SourceWriter;
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@ -88,6 +89,59 @@ public class AstWriterTest {
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assertThat(transform("while(true) { continue; }"), is("while(true){continue;}"));
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}
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@Test
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public void writesBlock() throws IOException {
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assertThat(transform("{ foo(); bar(); }"), is("{foo();bar();}"));
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}
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@Test
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public void writesFor() throws IOException {
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assertThat(transform("for (var i = 0; i < array.length; ++i) foo(array[i]);"),
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is("for(var i=0;i<array.length;++i)foo(array[i]);"));
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}
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@Test
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public void writesEmptyFor() throws IOException {
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assertThat(transform("for (;;) foo();"), is("for(;;)foo();"));
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}
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@Test
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public void writesForIn() throws IOException {
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assertThat(transform("for (var property in window) alert(property);"),
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is("for(var property in window)alert(property);"));
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}
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@Test
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public void writesWhile() throws IOException {
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assertThat(transform("while (shouldProceed()) proceed();"), is("while(shouldProceed())proceed();"));
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}
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@Test
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public void writesDoWhile() throws IOException {
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assertThat(transform("do proceed(); while(shouldRepeat());"), is("do proceed();while(shouldRepeat());"));
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}
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@Test
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public void writesIfElse() throws IOException {
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assertThat(transform("if (test()) performTrue(); else performFalse();"),
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is("if(test())performTrue();else performFalse();"));
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}
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@Test
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public void writesIf() throws IOException {
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assertThat(transform("if (shouldPerform()) perform();"), is("if(shouldPerform())perform();"));
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}
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@Test
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public void writesSwitch() throws IOException {
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assertThat(transform("switch (c) { "
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+ "case '?': matchAny(); break; "
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+ "case '*': matchSequence(); break;"
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+ "default: matchChar(c); break; } "),
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is("switch(c){case '?':matchAny();break;case '*':matchSequence();break;"
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+ "default:matchChar(c);break;}"));
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}
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private String transform(String text) throws IOException {
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CompilerEnvirons env = new CompilerEnvirons();
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env.setRecoverFromErrors(true);
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