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export const description = `
Flow control tests for if-statements.
`;

import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { AllFeaturesMaxLimitsGPUTest } from '../../../gpu_test.js';

import { runFlowControlTest } from './harness.js';

export const g = makeTestGroup(AllFeaturesMaxLimitsGPUTest);

g.test('if_true')
  .desc(
    "Test that flow control executes the 'true' block of an if statement and not the 'false' block"
  )
  .params(u => u.combine('preventValueOptimizations', [true, false]))
  .fn(t => {
    runFlowControlTest(
      t,
      f => `
  ${f.expect_order(0)}
  if (${f.value(true)}) {
    ${f.expect_order(1)}
  } else {
    ${f.expect_not_reached()}
  }
  ${f.expect_order(2)}
`
    );
  });

g.test('if_false')
  .desc(
    "Test that flow control executes the 'false' block of an if statement and not the 'true' block"
  )
  .params(u => u.combine('preventValueOptimizations', [true, false]))
  .fn(t => {
    runFlowControlTest(
      t,
      f => `
  ${f.expect_order(0)}
  if (${f.value(false)}) {
    ${f.expect_not_reached()}
  } else {
    ${f.expect_order(1)}
  }
  ${f.expect_order(2)}
`
    );
  });

g.test('else_if')
  .desc("Test that flow control executes the correct 'else if' block of an if statement")
  .params(u => u.combine('preventValueOptimizations', [true, false]))
  .fn(t => {
    runFlowControlTest(
      t,
      f => `
  ${f.expect_order(0)}
  if (${f.value(false)}) {
    ${f.expect_not_reached()}
  } else if (${f.value(false)}) {
    ${f.expect_not_reached()}
  } else if (${f.value(true)}) {
    ${f.expect_order(1)}
  } else if (${f.value(false)}) {
    ${f.expect_not_reached()}
  }
  ${f.expect_order(2)}
`
    );
  });

g.test('nested_if_else')
  .desc('Test flow control for nested if-else statements')
  .params(u => u.combine('preventValueOptimizations', [true, false]))
  .fn(t => {
    runFlowControlTest(
      t,
      f => `
${f.expect_order(0)}
if (${f.value(true)}) {
  ${f.expect_order(1)}
  if (${f.value(false)}) {
    ${f.expect_not_reached()}
  } else {
    ${f.expect_order(2)}
    if (${f.value(true)}) {
      ${f.expect_order(3)}
    } else {
      ${f.expect_not_reached()}
    }
    ${f.expect_order(4)}
  }
  ${f.expect_order(5)}
} else {
  ${f.expect_not_reached()}
}
${f.expect_order(6)}
`
    );
  });