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Unified Diff: test/mjsunit/debug-stepin-positions.js

Issue 22198002: Fix step in positions (include various calls and exclude current pc point), add a test (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: extend test Created 7 years, 4 months ago
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Index: test/mjsunit/debug-stepin-positions.js
diff --git a/test/mjsunit/debug-stepin-positions.js b/test/mjsunit/debug-stepin-positions.js
new file mode 100644
index 0000000000000000000000000000000000000000..482e21be4d740de24cf0c7086cb4dc9b72360515
--- /dev/null
+++ b/test/mjsunit/debug-stepin-positions.js
@@ -0,0 +1,142 @@
+// Copyright 2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-debug-as debug --nocrankshaft
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+function DebuggerStatement() {
+ debugger;
+}
+
+function TestCase(fun) {
+ var exception = false;
+ var codeSnippet = undefined;
+ var resultPositions = undefined;
+
+ function listener(event, exec_state, event_data, data) {
+ try {
+ if (event == Debug.DebugEvent.Break) {
+ Debug.setListener(null);
+
+ var secondFrame = exec_state.frame(1);
+ codeSnippet = secondFrame.sourceLineText();
+ resultPositions = secondFrame.stepInPositions();
+ }
+ } catch (e) {
+ exception = e
+ }
+ }
+
+ Debug.setListener(listener);
+
+ fun();
+
+ Debug.setListener(null);
+
+ assertTrue(!exception, exception);
+
+ var expectedPositions = {};
+ var markPattern = new RegExp("/\\*#\\*/", "g");
+
+ var matchResult;
+ while ( (matchResult = markPattern.exec(codeSnippet)) ) {
+ expectedPositions[matchResult.index] = true;
+ }
+
+ print(codeSnippet);
+
+ var decoratedResult = codeSnippet;
+
+ function replaceStringRange(s, pos, substitute) {
+ return s.substring(0, pos) + substitute +
+ s.substring(pos + substitute.length);
+ }
+
+ var markLength = 5;
+ var unexpectedPositionFound = false;
+
+ for (var i = 0; i < resultPositions.length; i++) {
+ var col = resultPositions[i].position.column - markLength;
+ if (expectedPositions[col]) {
+ delete expectedPositions[col];
+ decoratedResult = replaceStringRange(decoratedResult, col, "*YES*");
+ } else {
+ decoratedResult = replaceStringRange(decoratedResult, col, "!BAD!");
+ unexpectedPositionFound = true;
+ }
+ }
+
+ print(decoratedResult);
+
+ for (var n in expectedPositions) {
+ assertTrue(false, "Some positions are not reported: " + decoratedResult);
+ break;
+ }
+ assertFalse(unexpectedPositionFound, "Found unexpected position: " +
+ decoratedResult);
+}
+
+
+// Test cases.
+
+// Method calls.
+var fun = function() {
+ var data = {
+ a: function() {}
+ };
+ var res = [ DebuggerStatement(), data./*#*/a(), data[/*#*/String("a")]/*#*/(), data["a"]/*#*/(), data.a, data["a"] ];
+};
+TestCase(fun);
+
+// Function call on a value.
+var fun = function() {
+ function g(p) {
+ return g;
+ }
+ var res = [ DebuggerStatement(), /*#*/g(2), /*#*/g(2)/*#*/(3), /*#*/g(0)/*#*/(0)/*#*/(g) ];
+};
+TestCase(fun);
+
+// Local function call, closure function call,
+// local function construction call.
+var fun = (function(p) {
+ return function() {
+ function f(a, b) {
+ }
+ var res = /*#*/f(DebuggerStatement(), /*#*/p(/*#*/new f()));
+ };
+})(Object);
+TestCase(fun);
+
+// Global function, global object construction, calls before pause point.
+var fun = (function(p) {
+ return function() {
+ var res = [ Math.abs(new Object()), DebuggerStatement(), Math./*#*/abs(4), /*#*/new Object()./*#*/toString() ];
+ };
+})(Object);
+TestCase(fun);
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