92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Test that the `JS::ubi::StackFrame`s we create from
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// `mozilla::devtools::DeserializedStackFrame` instances look and behave as we would
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// like.
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#include "DevTools.h"
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#include "js/TypeDecls.h"
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#include "mozilla/devtools/DeserializedNode.h"
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using testing::Field;
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using testing::ReturnRef;
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// A mock DeserializedStackFrame for testing.
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struct MockDeserializedStackFrame : public DeserializedStackFrame
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{
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MockDeserializedStackFrame() : DeserializedStackFrame() { }
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};
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DEF_TEST(DeserializedStackFrameUbiStackFrames, {
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StackFrameId id = uint64_t(1) << 42;
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uint32_t line = 1337;
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uint32_t column = 9; // 3 space tabs!?
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const char16_t* source = u"my-javascript-file.js";
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const char16_t* functionDisplayName = u"myFunctionName";
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MockDeserializedStackFrame mocked;
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mocked.id = id;
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mocked.line = line;
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mocked.column = column;
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mocked.source = source;
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mocked.functionDisplayName = functionDisplayName;
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DeserializedStackFrame& deserialized = mocked;
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JS::ubi::StackFrame ubiFrame(&deserialized);
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// Test the JS::ubi::StackFrame accessors.
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EXPECT_EQ(id, ubiFrame.identifier());
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EXPECT_EQ(JS::ubi::StackFrame(), ubiFrame.parent());
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EXPECT_EQ(line, ubiFrame.line());
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EXPECT_EQ(column, ubiFrame.column());
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EXPECT_EQ(JS::ubi::AtomOrTwoByteChars(source), ubiFrame.source());
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EXPECT_EQ(JS::ubi::AtomOrTwoByteChars(functionDisplayName),
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ubiFrame.functionDisplayName());
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EXPECT_FALSE(ubiFrame.isSelfHosted(cx));
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EXPECT_FALSE(ubiFrame.isSystem());
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JS::RootedObject savedFrame(cx);
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EXPECT_TRUE(ubiFrame.constructSavedFrameStack(cx, &savedFrame));
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uint32_t frameLine;
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ASSERT_EQ(JS::SavedFrameResult::Ok, JS::GetSavedFrameLine(cx, savedFrame, &frameLine));
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EXPECT_EQ(line, frameLine);
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uint32_t frameColumn;
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ASSERT_EQ(JS::SavedFrameResult::Ok, JS::GetSavedFrameColumn(cx, savedFrame, &frameColumn));
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EXPECT_EQ(column, frameColumn);
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JS::RootedObject parent(cx);
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ASSERT_EQ(JS::SavedFrameResult::Ok, JS::GetSavedFrameParent(cx, savedFrame, &parent));
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EXPECT_EQ(nullptr, parent);
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ASSERT_EQ(NS_strlen(source), 21U);
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char16_t sourceBuf[21] = {};
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// Test when the length is shorter than the string length.
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auto written = ubiFrame.source(RangedPtr<char16_t>(sourceBuf), 3);
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EXPECT_EQ(written, 3U);
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for (size_t i = 0; i < 3; i++) {
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EXPECT_EQ(sourceBuf[i], source[i]);
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}
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written = ubiFrame.source(RangedPtr<char16_t>(sourceBuf), 21);
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EXPECT_EQ(written, 21U);
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for (size_t i = 0; i < 21; i++) {
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EXPECT_EQ(sourceBuf[i], source[i]);
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}
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ASSERT_EQ(NS_strlen(functionDisplayName), 14U);
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char16_t nameBuf[14] = {};
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written = ubiFrame.functionDisplayName(RangedPtr<char16_t>(nameBuf), 14);
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EXPECT_EQ(written, 14U);
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for (size_t i = 0; i < 14; i++) {
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EXPECT_EQ(nameBuf[i], functionDisplayName[i]);
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}
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});
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