2ff1fcede1
patch from issue 759443006 at patchset 40001 (http://crrev.com/759443006#ps40001) BUG=skia: Review URL: https://codereview.chromium.org/767333002
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#ifndef RecordTestUtils_DEFINED
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#define RecordTestUtils_DEFINED
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#include "SkRecord.h"
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#include "SkRecords.h"
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// If the command we're reading is a U, set ptr to it, otherwise set it to NULL.
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template <typename U>
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struct ReadAs {
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ReadAs() : ptr(NULL), type(SkRecords::Type(~0)) {}
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const U* ptr;
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SkRecords::Type type;
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void operator()(const U& r) { ptr = &r; type = U::kType; }
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template <typename T>
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void operator()(const T&) { type = U::kType; }
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};
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// Assert that the ith command in record is of type T, and return it.
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template <typename T>
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static const T* assert_type(skiatest::Reporter* r, const SkRecord& record, unsigned index) {
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ReadAs<T> reader;
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record.visit<void>(index, reader);
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REPORTER_ASSERT(r, T::kType == reader.type);
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REPORTER_ASSERT(r, SkToBool(reader.ptr));
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return reader.ptr;
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}
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template <typename DrawT> struct MatchType {
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template <typename T> int operator()(const T&) { return 0; }
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int operator()(const DrawT&) { return 1; }
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};
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template <typename DrawT> int count_instances_of_type(const SkRecord& record) {
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MatchType<DrawT> matcher;
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int counter = 0;
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for (unsigned i = 0; i < record.count(); i++) {
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counter += record.visit<int>(i, matcher);
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}
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return counter;
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}
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template <typename DrawT> int find_first_instances_of_type(const SkRecord& record) {
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MatchType<DrawT> matcher;
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for (unsigned i = 0; i < record.count(); i++) {
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if (record.visit<int>(i, matcher)) {
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return i;
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}
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}
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return -1;
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}
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#endif//RecordTestUtils_DEFINED
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