third_party_spirv-tools/test/TextStartsNewInst.cpp

// Copyright (c) 2015 The Khronos Group Inc.
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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#include "UnitSPIRV.h"

#include <string>

TEST(TextStartsWithOp, YesAtStart) {
  spv_position_t startPosition = {};
  EXPECT_TRUE(spvTextIsStartOfNewInst(AutoText("OpFoo"), &startPosition));
  EXPECT_TRUE(spvTextIsStartOfNewInst(AutoText("OpFoo"), &startPosition));
  EXPECT_TRUE(spvTextIsStartOfNewInst(AutoText("OpEnCL"), &startPosition));
}

TEST(TextStartsWithOp, YesAtMiddle) {
  spv_position_t startPosition = {};
  startPosition.index = 2;
  EXPECT_TRUE(spvTextIsStartOfNewInst(AutoText("  OpFoo"), &startPosition));
  EXPECT_TRUE(spvTextIsStartOfNewInst(AutoText("    OpFoo"), &startPosition));
}

TEST(TextStartsWithOp, NoIfTooFar) {
  spv_position_t startPosition = {};
  startPosition.index = 3;
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("  OpFoo"), &startPosition));
}

TEST(TextStartsWithOp, NoRegular) {
  spv_position_t startPosition = {};
  EXPECT_FALSE(
      spvTextIsStartOfNewInst(AutoText("Fee Fi Fo Fum"), &startPosition));
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("123456"), &startPosition));
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("123456"), &startPosition));
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("OpenCL"), &startPosition));
}

TEST(TextStartsWithOp, YesForValueGenerationForm) {
  spv_position_t startPosition = {};
  EXPECT_TRUE(
      spvTextIsStartOfNewInst(AutoText("%foo = OpAdd"), &startPosition));
  EXPECT_TRUE(
      spvTextIsStartOfNewInst(AutoText("%foo  =  OpAdd"), &startPosition));
}

TEST(TextStartsWithOp, NoForNearlyValueGeneration) {
  spv_position_t startPosition = {};
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("%foo = "), &startPosition));
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("%foo "), &startPosition));
  EXPECT_FALSE(spvTextIsStartOfNewInst(AutoText("%foo"), &startPosition));
}